DRILL / PUMP ORDER & SERIAL NUMBER RECORD

MODEL: _______________________________________________________________

DESCRIPTION: _________________________________________________________

_________________________________________________________

SERIAL NO. :___________________________________________________________

CUSTOMER’S ORDER NO.:_____________________________DATE ______________

INVOICE NO.:_______________________________________DATE ______________

CONSIGNEE: __________________________________________________________

__________________________________________________________

TRUCK CHASSIS NO: ____________________________MODEL _________________

TRUCK ENGINE NO: _____________________________MODEL_________________

DRILL TRANSMISSION: _________________________________________________

MODEL: ______________________ SERIAL NO.: _______________

OPTIONAL EQUIPMENT & ACCESSORIES: __________________________________

____________________________________________________________________

____________________________________________________________________

____________________________________________________________________

REMARKS: ___________________________________________________________

____________________________________________________________________

____________________________________________________________________

__________________________________________________________________

__________________________________________________________________
 CONTENTS

1. SECTION – I : OPERATING & MAINTENANCE

MANUAL

2. SECTION – II : PARTS MANUAL

3. SECTION – III: HYDRAULIC SERVICE MANUAL

4. SECTION – VI : FUNK GEAR BOX MANUAL

5. SECTION – V : CRAWLER MANUAL

 TABLE OF CONTENTS

PAGE NO.

1. A WORD OF CAUTION 01

2. TO THE OPERATOR 02

3. GENERAL DESCRIPTION 03

4. GENERAL SPECIFICATION 04

5. CONTROL & INSTRUMENTS 06

6. OPERATING INSTRUCTIONS 12

7. LUBRICATION & MAINTENANCE 17

8. KDR – 750 HEAD SEQUANCE REPAIR &

ADJUSTMENTS 21

9. PROCEDURE OF FIELD ALIGENMENT OF

DRILL HEAD 25

10. TROUBLE SHOOTING 27

11. ANGLE DETAILS 29

 !

CAUTION
1. WEAR HARD HATS AT ALL TIMES.

2. DO NOT WEAR LOOSE CLOTHING.

3. CONFINE LONG HAIR.

4. PLACE ALL CONTROLS IN NEUTRAL BEFORE STARTING.

5. LEVEL MACHINE BEFORE RISING.

6. STAY CLEAR OF ROTATING PARTS AND DRILL STRING.

7. KEEP CONTROLS AND WORK AREAS CLEAR OF GREASE, OIL

AND DEBRIS.

8. SHUT DOWN POWER UNIT WHEN SERVICING & REFUELING.

9. CHECK LOCATIONS OF OVERHEAD AND UNDER GROUND

POWERLINES AND PIPELINES.

10. DO NOT OPERATE HOISTING DRUM WITH LESS THAN 2

WRAPS OF WIRE ROPE.

11. OPEN ALL SUCTION VALVES BEFORE STARTING THE

MACHINE.

- 01 -
2. TO THE OPERATOR:

THIS MANUAL CONTAINS DESCRIPTIVE MATERIAL TO ENABLE THE OPERATOR TO

UNDER- STAND THE OPERATION, BASIC MAINTENANCE, AND NECESSARY SAFETY
PRECAUTIONS FOR THE KDR - 750. IT IS OF VITAL IMPORTANCE IN OBTAINING
MAXIMUM PERFORMANCE, SAFE AND TROUBLE FREE OPERATION THAT THE
MAINTENANCE AND ADJUSTMENT PROCEDURES OUTLINED IN THIS MANUAL BE
CARRIED OUT PROPERLY AND ON SCHEDULE.

THE OPERATOR SHOULD FAMILARIZE HIMSELF THOROUGHLY WITH THE CONTENTS

OF THIS MANUAL, AS WELL AS THE MANUFACTURER’S OPERATOR’S MANUAL FOR THE
POWER UNIT ENGINE, BEFORE ATTEMPTING TO OPERATE THE UNIT OR CARRY OUT
MAINTENANCE OR ADJUSTMENT PROCEDURES.

ALL SAFETY PRECAUTIONS OUTLINED IN THIS MANUAL SHOULD BE FOLLOWED AT

ALL TIMES. REMEMBER, ANY EQUIPMENT IS ONLY AS SAFE AS THE PERSON WHO IS
AT THE CONTROLS; THINK BEFORE YOU ACT.

ALTHOUGH MANY DRILLING OPERATIONS CAN BE EFFECTIVELY HANDLED BY ONE

PERSON, SAFETY PRECAUTIONS DICTATE A SECOND DRILLER OR HELPER. HOWEVER,
BOTH PEOPLE MUST BE TRAINED IN THE USE OF ALL EQUIPMENT ON THE JOB AND
COMPLETELY FAMILIAR WITH EACH OTHER’s JOB FUNCTIONS. THE ACTIONS OF ONE
PERSON MAY DIRECTLY AFFECT THE SAFETY OF THE OTHER.

IF AT ANY TIME A QUESTION ARISES WHICH IS NOT COVERED BY THIS MANUAL,

CALL OR WRITE THE FACTORY WHERE THE KORES SERVICE DEPARTMENT WILL BE
GLAD TO HELP YOU.

- 02 -
3. GENERAL DESCRIPTION:

THE KDR - 750 IS A MULTIPURPOSE, ALL HYDRAULIC, ROTARY DRILL DESIGNED FOR
USE WITH FLIGHT AUGERS, CORE BARRELS, AIR HAMMERS, ROLLER ROCK BITS OR
COUNTER FLUSH DRILLING SYSTEMS. THE KDR - 750 CAN BE TRUCK, TRAILER OR
CRAWLER MOUNTED. IT CONSISTS OF A PRIME MOVER, 4 SPEED ROTARY DRILL
HEAD, AND HYDRAULIC SYSTEM. THE DRILL WILL ACCOMMODATE VERTICAL OR
ANGLE HOLES AND CAN BE USED FOR DRILLING GROUT HOLES, ANCHOR HOLES, TIE
BACKS, SOIL SAMPLING DIAMOND CORE DRILLING, DEWATERING WELLS,
EXPLORATION, PIEZOMETER INSTALLATION. OPTIONS INCLUDE HYDRAULIC OR
MANUAL CHUCK, WIRE DRUM HOIST, CROWN BLOCK, AND LEVELLING JACKS.

THE HYDRAULIC SYSTEM CONSISTS OF A CLOSED LOOP HYDROSTATIC CIRCUIT FOR

DRILL ROTATION, AND OPEN LOOP CIRCUITS FOR WATER PUMP, FEED, SLIDE BASE
OPERATIONS AND ACCESSORIES SUCH AS HYDRAULIC CHUCK, LEVELLING JACK, ETC.
ALSO INCLUDED IN THE SYSTEM IS A FULL FLOW FILTER, BIT WEIGHT AND FEED
SPEED REGULATORS, DIRECTIONAL CONTROL VALVES AND ALL NECESSARY
PRESSURE PIPING AND FITTINGS.

THE MAST IS FABRICATED OF STRUCTURAL STEEL. IT IS RAISED FROM THE

HORIZONTAL TRAVEL POSITION TO VERTICAL BY A HYDRAULIC CYLINDER. TRAVEL
OF THE DRILLHEAD IS ACCOMPLISHED BY A DOUBLE ACTING HYDRAULIC CYLINDER
AND WIRE ROPE SYSTEM. A FULL 11’ (3.4 M) TRAVEL IS PROVIDED.

A POWER ACTIVATED SLIDE BASE PROVIDES A 14” DRILL HEAD MOVEMENT ON OR

OFF THE HOLE.

THE DRILL HEAD ROTATION IS POWERED BY A FIXED / VARIABLE DISPLACEMENT

MOTOR CONNECTED TO A 4 SPEED TRANSMISSION, ALLOWING FOR A FULL RANGE
OF SPEED AND TORQUE.

ALL CONTROLS AND INSTRUMENTS ARE LOCATED IN THE CONTROL CONSOLE AT THE
LEFT REAR OF THE DRILL.

UNLESS OTHERWISE STATED, ALL REFERENCES TO THE TRUCK MODEL SHALL

INCLUDE TRAILER MOUNTED UNITS.

- 03 –
4. CONTROLS AND INSTRUMENTS:

FOLLOWING IS A DESCRIPTION OF EACH CONTROL AND HOW IT FUNCTIONS. REFER

TO THE APPROPRIATE “OPERATOR’S CONTROL CONSOLE” DRAWING AT THE END OF
THIS SECTION FOR EITHER THE TRUCK/TRAILER MODEL OR CRAWEL MODEL. FOR
COMPLETE OPERATING INSTRUCTIONS REFER TO THE SPECIFIC SECTION UNDER
THAT TITLE.

STARTER CRANK

SEE MANUFACTURER’S OPERATOR’S MANUAL BEFORE STARTING ENGINE. PUSH THE

STARTER KEY TO ENERGIZE THE STARTER.

THROTTLE CONTROL

BY OPERATING THE THROTTLE LEVER PUSH AND PULL ENGINE SPEED CAN BE
VARIED.

POWER UNIT

REFER TO THE MANUFACTURER’S OPERATOR’S MANUAL FOR SPECIFIC DETAILS ON

THE POWER UNIT.

FEED SPEED REGULAR

THIS ADJUSTABLE VALVE CONTROLS THE RATE AT WHICH THE DRILL HEAD FEED
CYLINDER PUSHES DOWN THE DRILL STRING. TURNING THE KNOB CLOCKWISE
DECREASES THE FEED RATE. FEED CAN BE STOPPED COMPLETELY BY TURNING THE
KNOB CLOCKWISE AS FAR AS IT WILL GO. TURNING THE KNOB COUNTER-CLOCKWISE
INCREASE THE FEED RATE.

THE VALVE CONTROLS THE DOWN FEED RATE BY RESTRICTING THE FLOW OF
HYDRAULIC OIL OUT OF THE FEED CYLINDER. WHEN THE DRILL HEAD IS BEING
RAISED, THERE IS NO RESTRICTION OF FLOW REGARDLESS OF THE VALVE SETTING.

DRILL HEAD FEED

THE HANDLE MARKED “FEED” CONTROLS THE DIRECTION OF THE DRILL HEAD DOWN
THE HANDLE FOR DOWN; UP FOR UP.

- 04 -
FAST FEED

TO ACHIVE FAST FEED OPERATE THE FAST FEED LEVER FOR UP FEED AND DOWN FOR
DOWN FEED.

BIT WEIGHT REGULATOR

THIS ADJUSTABL VALVE CONTROLS THE AMOUNT OF DOWN PRESSURE AVAILABLE TO

PUSH ON THE DRILLING TOOLS. TURNING THE KNOB CLOCKWISE INREASES THE
FORCE, COUNTER-CLOCKWISE DECREASES THE FORCE. THE VALVE CAN BE SET
BEFORE DRILLING BEGINS IF DESIRED. TO DO THIS, TURN THE “FEED SPEED
REGULATOR” KNOB CLOCK-WISE AS FAR AS IT WILL GO. OPERATE THE REGULAR
FEED VALVE TO FEED DOWN; THE DRILL WILL NOT MOVE. TURN THE “BIT WEIGHT
REGULATOR KNOB” UNTIL THE DESIRED SETTING IS REACHED AS INDICATED BY THE
FEED PRESSURE GAUGE. ONCE THE BIT WEIGHT IS SET, THE DESIRED FEED RATE
CAN BE SELECTED. TURN THE “FEED SPEED REGLATOR” KNOB COUNTER CLOCK-WISE
UNTIL THE DESIRED FEED RATE IS OBTAINED.

BIT WEIGHT GAUGE

THIS GAUGE MONITORS THE HYDRAULIC PRESSURE IN P.S.I. IN THE DRILL HEAD
PISTON. IF THE REGULAR FEED VALVE IS OPERATED TO FEED THE DRILL HEAD
DOWN, THIS GAUGE INDICATES THE AMOUNT OF HYDRAULIC PRESSURE AVAILABLE
TO PUSH DOWN ON THE DRILL HEAD. THIS PRESSURE, MULTIPLIED BY 13.6 IS THE
AMOUNT OF FORCE IN POUNDS, WHICH IS AVAILABLE TO PUSH DOWN ON THE
DRILLING TOOLS.

VACUUM GAUGE

INDICATES PRESSRE ON INLET SIDE OF HIGH PRESSURE, HYDROSTATIC SUCTION

FILTER. THIS GAUGE IS VERY IMPORTANT AND NEEDS DAILY INSPECTION.

- 05 -
 ! CAUTION

SHUT DOWN POWER UNIT AND SERVICE FILTER WHEN

INDICATOR IS IN RED OR ABOVE 0.2 BAR.
NOTE: ALLOW HYDRAULIC OIL TO WARM UP BEFORE OPERATING DRILL. COLD OIL
MAY GIVE TEMPORARY HIGH VACUUM CONDITION.

DRILL-ROTARY

PULL THE LEVER MARKED “ROTARY” TO ROTATE THE DRILL STRING CLOCKWISE;
PUSH FOR COUNTER-CLOCKWISE.

ROTATION PRESSURE GAUGE

GAUGE INDICATES HYDRAULIC PRESSURE APPLIED TO ROTARY MOTOR.

CHARGE PRESSURE GAUGE (S)

ONE CHARGE PRESSURE GAUGE IS PROVIDED TO MONITOR THE PRESSURE IN THE

HYDROSTATIC PUMP LOOP OPERATING THE DRILL ROTATION.

CAUTION
!
ALWAYS RETRACT STINGER IMMEDIATELY AFTER
COMPLETION OF WORK IN THE HOLE. FAILURE TO DO SO
MAY RESULT IN SEVERE STRUCTURAL DAMAGE.
HOIST –

DOWN THE LEVER MARKED “HOIST” TO PLAY CABLE OUT; UP TO WIND CABLE IN.

- 06 -
FAST HOIST

OPERATING BOTH “HOIST” AND “FAST HOIST” HANDLES SIMULTANEOUSLY FOR

INCREASING HOISTING SPEED.

CAUTION
!

NEVER USE THE HOIST FOR PESONNEL LIFTS.

KORES HYDRAULIC CHUCK (OPTIONAL)

UP THE HANDLE TO OPEN CHUCK; RETURN TO NEUTRAL TO CLOSE CHUCK. CHUCK IS

SPRING LOADED TO PROVIDE FAILSAFE LOCKING IN EVENT OF HYDRAULIC FAILURE.

CAUTION
!
NEVER OPEN KORES CHUCK DURING ROTATION.

JACKS

THE TRUCK/ TRAILER KDR - 750 HAS FOUR (4) LEVELING JACKS. TWO ARE PROVIDED
NEAR THE REAR OF THE DRILL PLATFORM WITH A TWO AT THE FRONT. DOWN THE
HANDLE TO EXTEND THE JACK AND RAISE THE MACHINE; UP TO RETRACT JACK AND
LOWER MACHINE.

IT IS RECOMMENDED THAT WOODEN BOARDS BE PLACED UNDER THE

JACK PADS WHEN IN USE.

- 07 -
 CAUTION
!
DO NOT OPERATE DRILL WHILE SUPPORTED BY
HYDRAULIC JACKS- THEY ARE FOR LEVELLING PURPSES
ONLY.

USE WOODEN PLANKS OR SCREW JACKS FOR SAFETY

AFTER LEVELLING MACHINE.

MUD / WATER PUMP

DOWN THE CONTROL LEVER MARKED “WATER PUMP” TO OPERATE THE PUMP;
RETURN TO NEUTRAL TO STOP PUMP.

CAUTION
!
PUMP MUST NOT BE OPERATED DRY. TURN THE PUMP
SHAFT FIVE REVOLUTIONS AFTER DRAINING FOR
COMPLETE EVACUATION.

MUD PUMP FLOW CONTROL

OPERATE KNOB ANTICLOCEWISE TO INCREASE THE MUD OR WATER FLOW.

HYDRAULIC ROD CLAMP

THE HYDRAULIC SAFETY ROD CLAMP IS OPENED BY DOWN THE HADLE MARKED
“HYDRAULIC ROD CLAMP”; AND UP THE HANLE TO CLOSE CLAMP.

- 08 -
6. OPERATING INSTRUCTIONS.

SET – UP

BE SURE THAT ALL “ASSEMBLY” INSTRUCTIONS AND “LUBRICATION AND

MAINTENANCE”, AS OUTLINED IN THOSE SECTIONS OF THIS MANUAL, HAS BEEN
DONE BEFORE OPERATING THE DRILL.

BE SURE POWER UNIT HAS BEEN PROPERLY SERVICED ACCORDING TO

MANUFACTURER’S MANUAL.

THE OPERATOR SHOULD BE COMPLETELY FAMILIAR WITH THE OPERATION OF ALL

CONTROLS AS DESCRIBED UNDER THE “CONTROL AND INSTRUMENTS” SECTION.

IN STARTING UP A NEW MACHINE, RUN THE MACHINE AT IDLE SPEED AND TRY ALL
CONTROLS UNTIL THE OPERATION OF THEM IS FAMILIAR.

START – UP

1. REMOVE ALL MAST LOCK PINS AND BOLTS.

2. CHECK THAT ALL CONTROL HANDLES ARE IN NEUTRAL POSITION.

HYDROSTATIC PUMP START – UP

THE FOLLOWING PROCEDURE IS TO BE FOLLOWED TO ENSURE PROPER FILLING OF

ALL PUMPS, MOTORS AND LINES. DURING FILLING BE CERTAIN OIL LEVEL IN
RESERVOIR, IS SUFFICIENT TO PREVENT AIR FROM BEING DRAWN INTO SYSTEM.

1. CHECK ALL FITTINGS TO BE SURE THEY ARE TIGHT.

2. LOOSEN THE CHARGE PUMP LINE AT THE INLET TO THE CHARGE PUMP.
3. FILL THE RESERVOIR WITH APPROVED OIL. SEE “RECOMMENDED LUBRICANTS”
CHART IN LUBRICATION AND MAINTENANCE SECTION. WHEN OIL APPEARS AT
THE LOOSENED HOSE AT THE CHARGES PUMP INLET, TIGHTEN THE HOSE AND
CONTINUE FILLING THE RESERVOIR. LEAVE RESERVOIR CAP LOOSE SO AIR WILL
ESCAPE.
4. FILL THE PUMP CASE THROUGH THE CASE DRAIN OPENING WITH APPROVED OIL.
5. THE PUMP MUST BE IN NEUTRAL. IT IS RECOMMENDED THAT THE CONTROL
SHAFT ARM BE LEFT DISCONNECTED UNTIL AFTER INITIAL START – UP.
6. START ENGINE, MAINTAINING AS LOW AN IDLE AS POSSIBLE TO ALLOW OIL TO
FILL THE MAIN HIGH PRESSURE LINES. DURING THIS INITIAL START – UP,
CHARGE PRESSURE SURGES AND A SLOW RISE WILL BE SEEN ON THE 600 PSI
GAUGE.

- 09 -
 CAUTION
!
ONCE THE GAUGE REACHES 100 PSI CHARGE PRESSURE
SHOULD NOT FALL BELOW 100. IF THIS OCCURS SHUT
DOWN AND TROUBLE SHOOT.
7. INCREASE ENGINE SPEED TO APPROXIMATELY 1000 RPM. CHARGE PRESSURE
ON THE GAUGE SHOULD READY 180 – 220 PSI.
8. SHUT DOWN ENGINE AND CONNECT CONTROL LINKAGE TO CONTROL
HANDLE.
9. START ENGINE AND RUN AT 1500 TO 2000 RPM. CHARGE PRESSURE SHOULD
BE 180 – 220 PSI.
10. MOVE CONTROL HANDLE SLOWLY TO THE FORWARD AND REVERSE
POSITIONS SEVERAL TIMES INCREASING LENGTH OF STROKE AND CYCLE TIME
EACH TIME. BE CERTAIN MOTOR OUTPUT SHAFT IS TURNING. CHARGE
PRESSURE WILL READ BETWEEN 150 – 190 PSI WHEN PUM IS IN STROKE.
THIS PROCEDURE WILL FILL ALL LINES AND FLUSH SYSTEM.
11. SHOULD THE CHARGE PRESSURE FALL BELOW 100 PSI DURING THE CYCLE
TIME, DISCONTINUE START – UP UNTIL TROUBLE HAS BEEN CORRETED.
12. CHECK FLUID LEVEL IN RESERVOIR AND ADD APPROVED OIL IF NECESSARY.
INSTALL RESERVOIR CAP.
13. WARM UP POWER UNIT AT IDLE SEED AND TRY ALL FUNCTIONS.

! CAUTION

ANY UNUSUAL NOISE OR VIBRATION IS CAUSE FOR

IMMEDIATE SHUT DOWN AND INSPECTION. CHARGE PUMP
PRESSURE MUST INDICATE 120-220 P.S.I. AT EACH PUMP
WITHIN 30 SECONDS.

- 10 -
 ! CAUTION

KEEP MAST CLEAR OF OVERHEAD ELECTRICAL POWER

LINES.

CAUTION
!

LEVEL AND STABILIZE MACHINE BEFORE ELEVATING MAST.

CHECK FOR OVERHEAD OBSTRUCTIONS AND LOWER ANY
LEVELING JACKS BEFORE ERECTING MAST. NEVER DRILL
EXTRA PIN HOLES IN ANY SUPPORT COLUMN OR STIFF
LEG. INSERT PIN THRU SLIDE BASE AND DRILL FRAME
BEFORE ELEVATING MAST.
1. INSERT PIN THROUGH MAST BRACKET AND SLIDE BASE, TO DRILL AN ANGLE HOLE,
FOLLOW STEPS (1) AND (2) ABOVE. IN STEP (3), WHILE RAISING MAST, THE BRACKET
MAY BE PINNED AT ANY ANGLE FROM 45q TO VERTICAL. THE FIVE HOLES IN THE
MAST BRACKET WILL ALLOW PINNING AT 10q INTERVALS. BY ALTERNATING BETWEEN
THE TWO HOLES IN THE SLIDE BASE THIS CAN BE EXPANDED TO 5q INTERVALS.
COMPLETE PRECEDURE WITH STEP (4).

CAUTION
!

MAST MUST BE IN “FEED UP” POSITION AND JACK

RETRACTED BEFORE OPERATING SLIDE BASE.

- 11 -
 CAUTION
!
ALWAYS RETRACT MACHANICAL JACK IMMEDIATELY AFTER
COMPLETION OF WORK IN THE HOLE. FAILURE TO DO SO
MAY RESULT IN SEVERE STRUCTURAL DAMAGE.
KORES CHUCK:

1. UP CONTROL HANDLE MARKED “CHUCK” TO OPEN.

2. RETRACT DRILL HEAD TO FULL UP POSITION.
3. INSERT DRILL ROD AND CLOSE CHUCK BY RETURNING HANDLE TO NEUTRAL.

NOTE: - KORES CHUCK IS SPRING LOADED TO CLAMP WHEN HYDRAULIC

POWER IS REMOVED.

4. START ROTATION.
5. START DOWN FEED.
6. STOP FEED AFTER DRILLING RUN.
7. STOP DRILL HEAD ROTATION.
8. OPEN CHUCK.
9. REPEAT PROCEDURE.

! CAUTION

NEVER OPEN KORES CHUCK DURING ROTATION.

NOTE: - SEE KORES CHUCK “OPERATING & MAINTENANCE INSTRUCTIONS”

FURNISHED WITH CHUCK FOR COMPLETE DIRECTIONS.

- 12 –
7. LUBRICATION AND MAINTENANCE.

LUBRICATION AND MAINTENANCE CHART

COMPONENTS TIME INTERVAL
INITIAL TWICE AS
DAILY WEEKLY MONTHLY
START-UP ANNUALY REQUIRED

TRUK. REFER TO MANUFACTURER’S MANUAL

POWER UNIT
ENGINE
BATTERY A B
FEED ASSEMBLY C
MAST BRACKET G
ASSEMBLY
CROWN BLCK H
WIRE LINE HOST I I
HYDRAULIC A, J E N F
SYSTEM
DRILL HEAD D
MOTOR
DRILL HEAD D E F
CHAIN DRIVE
FOUR SPEED D E F
TRANS.
HYDRAULIC M
FILTERS
CRAWLER OPTION D
HYDRAULIC D
MOTOR
INTERMEDIATE D E F
DRIVE BOX

TO OBTAIN THE BEST PERFORMANCE AND LONG LIFE FROM THE KORES KDR - 750,
THE OPERATOR MUST ADHERE TO THE LUBRICATION AND MAINTENANCE SCHEDULE.
THE LETTERS ON THE CHART REFER TO THE ACCOMPANYING NOTES:

A. FOR OVERSEAS SHIPMENT, THE KDR - 750 IS COMPLETELY DRAINED OF ALL WATER,
OIL AND FUEL. FILL WITH RECOMMENDED FLUIDS BEFORE ATTEMPTING TO
OPERATE. ALL EXPOSED SURFACES ARE COATED WITH A RUST PREVENTATIVE PRIOR
TO OVERSEAS SHIPMENT. THIS GREASE CAN BE REMOVED BY WIPING WITH A CLEAN
SOFT RAG SOAKED WITH A SAFETY TYPE CLEANING SOLVENT.

THE BATTERY IS ALWAYS SHIPPED DRY WITH THE ELECTROLYTE SHIPPED UNDER
SEPARATE COVER.

- 13 -
 ! CAUTION

EXTREME CARE SHOULD BE USED IN HANDLING THIS

ACID. READ ALL INSTRUCTIONS ON CONTAINER
CAREFULLY.

B. CHECK WATER LEVEL.

C. WIPE CLEAN AND LUBRICATE WITH RECOMMENDED GREASE.

D. CHECK FOR LEAKS AND LOOSE FITTINGS.

E. CHECK OIL LEVEL.

F. DRAIN, FLUSH AND FILL EACH SPRING (SAE 140) AND FALL (SAE 90).

G. LUBRICATE GREASE FITTINGS ON EACH SIDE OF PIVOT PIN AND FOUR (4) FITTINGS
LOCATED UNDER SLIDE BASE.

H. LUBRICATE GREASE FITTINGS ON SHEAVE AXLES.

I. OIL DRIVE CHAIN DAILY. LUBRICATE (2) FLANGE TYPE PILLOW BLOCK BEARINGS
LOCATED ON EACH END OF HOIST SHAFT BI-WEEKLY.

J. FILL TO THE TOP OF THE TANK WITH RECOMMENDED HYDRAULIC OIL. AFTER
RUNNING THE MACHINE TO FILL ALL OF THE HYDRAULIC LINES, THE TANK SHOULD
BE REFILLED TO MID-POINT OF SIGHT GAUGE. THIS SPACE ALLOWS OIL TO
CIRCULATE THROUGH THE LINES AND RETURN TO THE TANK.

K. LUBRICATE AL GREASE FITTINGS

L. RETURN LINE FILTERS: -

THIS IS A SINGLE FILTER. REPLACE FILTER ELEMENTS ONCE EVERY 1000 HOURS OF
OPERATION OR 6 MONTHS, WHICHEVER COMES FIRST. IN EXTREMELY DUSTY
CONDITIONS, REPLACE MORE FREQUENTLY.

- 14 -
IN TANK STRAINER:-

REGULARLY REMOVE AND WASH TRAINER IN SOLVENT (DIESEL FUEL ACCEPTABLE).

INTERVALS BETWEEN ELEMENT REPLACEMENT AND STRAINER WASHING WILL VARY

ACCORDING TO WORKING CONDITIONS AND FREQUENCY OF USE.

FILTER FOR CHARGE PUMP: -

THIS FILTER IS CONNECTED TO A FILTER VACCUM GAUGE. THE INDICATOR SHOULD

READ 3” TO 5” OR 0 – 0.2 BAR WHEN A CLEAN ELEMENT IS USED.

! CAUTION

WHEN THE INDICATOR READS 10”/-0.2 BAR VACUUM THE

FILTER IS DIRTY AND NEEDS REPLACING. SHUT DOWN
POWER UNIT AND SERVICE FILTER.

M. REMOVE HYDRAULIC RESERVOIR DRAIN PLUG EACH MONTH AND DRAIN OFF
ACCUMULATED CONDENSATION.

MISCELLANEOUS MAINTENANCE.

CHUCK JAWS

SHOULD BE CLEANED PERIODICALLY TO REMOVE ACCUMULATED DIRT AND GREASE.

FOLLOWER WAYS ON MAST

KEEP CLEAN AND LUBRICATE WEEKLY WITH RECOMMENDED GREASE. UNDER SEVERE
OPERATING CONDITIONS (SUCH AS DOWN THE HOLE HAMMER OPERATIONS) CLEAN
AND LUBRICATE DAILY.

- 15 -
RECOMMENDED LUBRICANTS:

(FOR ADDITIONAL DETAILS SEE KORES EQUIPMENT LUBRICATION AND

MAINTENANCE CHART AT BEGINNING OF THIS SECTION.)

RECOMMENDED LUBRICANTS
API LUBRICANT
COMPONENT CAPACITY
SPECIFICATION
HYDRAULIC RESERVOIR 350 LITERS INDIAN OIL SERVO
SYSTEM 68 OR EQ.
DRILL HEAD CHAIN DRIVE 12 LITERS SAE 90
PUMP DRIVE UNIT 4.0 LITERS SAE 90

MUD PUMP 12 LITERS SAE 90

WINCH 02 LITERS SAE 90
BEARING AND GREASE
FITTINGS GRM.

NON – ROUTINE MAINTENANCE

IF QUESTIONS SHOULD ARISE CONCERNING SERVICE OR REPAIR OF THE KDR - 750

DRILLS, CONTACT THE KORES (INDIA) LIMITED. SERVICE DEPARTMENT WHO WILL BE
GLAD TO ASSIST. KORES (INDIA) LIMITED MAINTAINS AN EXPERIENCED SERVICE
CREW WHO ARE AVAILABLE FOR WORLD – WIDE FIELD SERVICE.

ORDERING REPLACEMENT PARTS

REFER TO THE ATTACHED PARTS CATALOG, WHICH PERTAINS SPECIFICALLY TO THE
MACHINE NO. LISTED ON THE FRONT COVER, FOR PART NUMBERS.

PLEASE LIST: QUANTITY, PART NUMBER, CONNECTION, DESCRIPTION, PRICE,

SHIPPING ADDRESS AND ROUTING.

MAIL OR WIRE ALL ORDERS TO KORES (INDIA) LIMITED. (ENGINEERING DIVISION)

PLOT NO.6, AREA NO-1, PITHAMPUR 454 775 DIST - DHAR (MP) TELEPHONE NUMBER
07292 - 252275, FAX NUMBER 07292 - 253378.

REFER TO THE KORES (INDIA) LIMTED GENERAL CATALOG FOR TERMS AND
CONDITIONS OF SALE.

- 16 -
 KORES (INDIA) LIMITED
MACHINE TROUBLE SHOOTING GUIDE

TROUBLE / SYMPTOMS CAUSES / SOLUTION.

EXCESSIVE LEAKAGE IN ALL CHECK FOR BLOCKAGE OR OBSTRUCTION OF

HYDROSTATIC COMPONENTS – DRAIN LINES.
REPTURED SHAFT SEALS, CASE
GASKETS.

EXCESSIVE NOISE IN FUNKS 4 SPEED CHECK PILOT DIAMETER IN TOP OF DRILL

TRANS. BURNED PILOT BEARING. HEAD HOUSING FOR PROPER FIT OF TRANS.
BEARING.

EXCESSIVE HEAT BUILDS UP IN KDR - HEAT BUILD IS NORMAL IN DRILL HEAD WHEN
750 DRILL HEAD. (CHAIN DRIVE BOX) USING IT AT MAX. SPEED. SUGGESTED
HEAT CREATED WHILE USING ROTARY CHANGING GEAR OIL TO 120W. SINCE
AT MAX. RPM. MACHINE IS IN THE SOUTH WHERE TEMPS.
ARE HIGH. THIS WILL HELP PROBLEM SOME.
DRILL HEADS WILL RUN HOT.

INADEQUATE TORQUE WHILE USING CHECK FEED SPEED AND BIT WEIGHT. BIT
DOWN- THE -HOLE HAMMER. HAMMER WEIGHT SHOULD NOT EXCEED 1500 POUNDS.
ROTATION STOPS MOMENTARILY. IF FEED SPEED IS TOO FAST, HAMMER WILL
NOT FUNCTION PROPERLY

JACKS CREEP DOWN WHILE TRAMMING, CHECK FOR ACTIVATED VALVE SECTION IN
CHUCK RELAXS, REGULAR FEED DOES MAIN VALVE OR POWER BEYOND SECTION.
NOT WORK. THIS MAY CREAT BACK PRESSURE (THROUGH
WORN SPOOLS) & CREEPAGE IN JACKS &
CHUCKS AS WELL AS PREVENT FEED SECTION
FROM GETTING OIL.

LOW CHARGE PRESSURE ON ONE 1. CHECK PUMP SERIAL NUMBER FOR

CIRCUIT WHEN STROKING EITHER PROPER CHARGE PUMP CAPACITY –3/4
PUMP. IN?
2. IS ATF FLUID BEING USED IN
RESERVOIR.
3. CHECK CHARGE PUMP INLET HOSE-
SHOULD BE 3/4” HOSE I.D.
4. IS ENGINE AT FULL SPEED?.

- 17 -
 17 18 26 27
16 28
15

23 26
25
285 24
29 21 20
08.1 0910 14
13 19 22
08 11
01 04 03 12

05 06 07
30

-1-
31 32
02
34
33 35

36

KORES (INDIA) LIMITED

ENGG. DIVN. PITHAMPUR
TITLE :-
ASSLY. DRG. OF MAST LAY OUT KDR 750
PROJECTON DRN. BY. MRV DRG. No.
3rd. Angle CHD. BY. S.DhOLI
SCALE :-
 MAST ASSEMBLY
PART No. 8200100

Sr. No PART No. Descripition Qty.

1 8230101 MAST FABRICATED 1

2 8230501 HINGE POST 1

3 8210125 MAIN CYLINDER ASSEMBLY 1

4 8220104 MAIN CYLINDER PIN BOTTOM 1

5 8210512 DUMP CYLINDER ASSEMBLY 1

6 8220513 DUMP CYLINDER PIN (TOP ) 1

7 8220513 DUMP CYLINDER PIN (BOTTOM) 1

8 8230132 MAIN CYLINDER EYE PICE 1

9 8220103 PULLEY Dia 220 MM 2

10 8220105 PIN FOR PULLEY 220 2

11 8210128 BEARING 2

12 8230111 SIDE MOUNTING BKT LH & RH 2

13 8210120 ROLLER BIG 8

14 8210120 ROLLER SMALL 4

15 8200900 DRILL HEAD ASSLY. 1

16 8210923 GEAR BOX ASSEMBLY 1

17 GEAR BOX HOUSING 1

18 8210924 HYD. MOTOR ASSEMBLY 1

19 8220102 PULLY Dia. 310mm 2

20 8220104 PIN FOR PULLEY 310 2

2
Sr. No PART No. Descripition Qty.
21 8210128 BEARING 2

22 8230701 CROWN BLOCK BRACKET 1

23 8620702 HOISTING PULLY 2

24 8620704 BEARING HOISTING PULLEY 2

25 8210128 PIN FOR HOISTING PULLEY 2

26 8220706 WIRE LINE PULLEY 2

27 8220707 PIN FOR WIRE LINE PULLEY 2

28 8210708 BEARING WIRE LINE PULLEY 4

29 8230110 DRILL HEAD MOUNTING PLATE 1

30 8230502 MAST BRACKET 1

31 8230503 HINGE POST PIN 1

32 8220520 HINGE POST BUSH (G.M.) 2

33 8210505 MAST RAISING CYLINDER 1

34 8220507 MAST RAISING CYLINDER PIN (BOTTOM) 1

35 8220506 MAST RAISING CYLINDER PIN (TOP) 1

36 8230201 MAIN BASE FRAME 1

3
 KORES (INDIA) LIMITED
ENGG. DIVN. PITHAMPUR
DRILL HEAD ASSEMBLY KDR 750
PART NO : 8200900

27

14
26
18

16
24 17
27
15
09
07

19
22 12 06

02
13
25
13 20

05
12
23
10
11

11 10
04
03
08

01

-4-
 DRILL HEAD ASSEMBLY
PART No. 8200900

S.No. PART No. Descripition Qty.

1 8230901 DRILL HEAD CASE 1
2 8210902 HEX SPINDLE 1
3 8210906 SPROCKET 38 TEETH x 1" 1
4 8230904 BOTTOM OIL PLATE 1
5 8220918 BOTTOM OIL SEAL COVER PLATE 1
6 8220920 OIL SEAL BOTTOM 2
7 8230909 GUIDE RING 1
8 8230927 KEY BAR 1
9 8210911 CUP BEARING (TOP & BOTTOM ) 2
10 5630409 HEX BOLTS M12x50 12
11 5670400 SPRING WASHER M12 12
12 5630206 HEX. BOLTS M8x35 14
13 5670200 SPRING WASHER M8 14
14 8210907 DRIVE SPROKET 1"X 12 TEETH 1
15 8210916 TRIPLEX CHAIN 1" 1
16 8210913 BEARING FOR DRIVEN SPROCKET 1
17 8230908 BEARING HOUSING 2
18 8220931 OIL SEAL FOR DRIVEN SPROCKET 1
19 8210903 FLOAT SPIDLE 1
20 8220919 OIL SEAL TOP 1
21 8220917 OIL SEAL COVER PLATE TOP 1
22 8220928 PLUG 1
23 8210921 LUBE OIL PUMP 1
24 8220930 LOCKING NUT HALF FLAT 1
25 8220929 LOCKING NUT FLAT 1
26 8210923 GEAR BOX ASSEMBLY 1
27 8210924 HYD. MOTOR 1

28 8210910 T0P CONE BEARING 1

29 8210912 BOTTOM CONE BEARING 1
5
 CROWN BLOCK ASSEMBLY

PART No. 8200700

Sr.No PART No. Descripition Qty.

1 8230701 CROWN BLOCK BRACKET 1

2 8620702 HOIST PULLEY Dia. 275 MM 2

3 8620704 PIN FOR HOISTING PULLEY 2

4 9260500 LOCK NUT 4

5 8220709 SPACER 4

6 8210128 BEARING 2

7 8220706 WIRE LINE PULLEY Dia. 150mm 2

8 8210708 BEARING 4

9 8220709 SPACER 4

10 5690800 NUTS M24 2

11 8220707 PIN FOR WIRE LINE PULLEY 2

7
 FEED PULLY BLOCK ASSEMBLY

S.NO. PART No. Descripition Qty.

1 8230132 CYLINDER FRONT EYE PICE

1
2 8230133 FEEDING PULLY BRACKETASSY.
1
3 5630609 HEX. BOLTS M20x50L
14
4 8220103 PULLY Dia. 220mm
2
5 8220105 PIN
1
6 8230109 SPACER
4
7 8210128 BEARINGS
2
8 8230136 LOCKING PLATE
2
9 5630204 HEX.BOLTS M8x25
4
10 5670200 SPRING WASHER M8
4
11 8230135 BLOCK SMALL
1
12 8230134 BLOCK BIG
1

9
 TRIPLE GEAR BOX ASSEMBLY

PART No. 8201600

Ref. No. Part No. Description Quantity

1 8211601 HOUSING GEAR BOX 1
2 8211602 ADAPTER 3
3 8211603 BEARING CARRIER 1
4 8221604 SEAL CARRIER 1
5 8221605 INPUT SHAFT 1
6 8221606 INPUT GEAR 1
7 8221607 INPUT GEAR 1
8 8211608 OUT PUT GEAR 3
9 8211609 OUT PUT GEAR 3
10 8221610 ADAPTER SPLINE SLEEVE 2
11 8221611 ADAPTER SPLINE SLEEVE 1
12 8221612 BALL BEARING 9
13 8231613 GASKET 3
14 8221614 OIL SEAL 1
15 8221615 CIRCLIP 1
16 8221616 CIRCLIP 1
17 8211617 HEX BOLT 6
18 8221618 STUD 12
19 8221619 ELBOW 1
20 8221620 BREATHER PLUG 1
21 8221621 DRAIN PLUG 2
22 8221622 TAPER PLUG 4
23 8231623 SHIM
24 8231624 GASKET 1
25 8231625 STUD 7

11
 MUD PUMP L100-C
Ref. No. Part No. Description Quantity
1 548901 RING, STUFFING BOX 2
2 548001 SEAT, MUD PUMP VALVE FXF 8
3 558001 GLAND, PACKING 1
4 548002 NUT, PACKING GLAND 1
5 548952 RING, LINER PACKER 4
6 548953 SEAT, CYLINDER HEAD 2
7 558002 RING, LINER RETAINER 2
8 558003 PLATE, VALVE COVER 8
9 558004 SPACER, LINER SLEEVE 2
10 548701 SPROCKET, 48T-TRIPPLE- 1
11 558005 PLATE, CYLINDER COVER 2
12 558006 HEAD, OIL STOP 2
13 538001 CASE, POWER END 1
14 538002 HOUSING, L-100 FLUID END 1
15 548003 PIN, CROSSHEAD WRIST 2
16 558007 PLATE, JACK SHAFT COVER 1
17 558008 GLAND, OIL STOP HEAD 2
18 558009 HOUSING, JACKSHAFT BEARING 2
19 558010 SPACER, JACKSHAFT BEARING 2
20 548004 SPACER, ECCENTRIC SHAFT BEARING 2
21 558011 SET-SCREW, CROSSHEAD LOCK 2
22 548005 ROD, MUD PUMP PISTON 2
23 548006 ROD, CONNECTION 2
24 548007 JACKSHAFT, MUD PUMP L-100C* 1
25 548008 JACKSHAFT, MUD PUMP L-100C 1
26 580336 KEY, ** 1
27 580225 KEY ** 1
28 580343 KEY 1
29 538003 RETAINER, ECCENTRIC SHAFT 2
30 548011 SHAFT, ECCENTRIC GEAR 1
31 538004 KEY, ECCENTRIC SHAFT 1
13
Ref. No. Part No. Description Quantity
32 558012 BOX, STUFFING 2
33 548902 BUSHING, ENNENTRIC 2
34 548903 BUSHING, CROSSHEAD PUMP 4
35 538005 CROSSHEAD, MUD PUMP 2
36 548954 BAFFLE, PISTON ROD 2
37 548012 STUD 4
38 548013 STUD 4
39 548014 STUD 48
40 538006 RETAINER, CONNECTION ROD 2
41 540501 GASKET 2
42 548502 GASKET 1
43 540503 GASKET 1
44 540504 GASKET 1
45 581071 NAME PLATE, L-100 PUMP SERIAL 1
46 540909 SPRING, BRASS VALVE L-100 8
47 548505 GASKET 2
48 568101 FITTING, GREASE 3
49 568105 FITTING, GREASE 1
50 548401 SEAL 1
51 520565 CHAIN, 1P-TRIPPLE ROLLER 1
52 548951 RING 14
53 548955 O' RING 8
54 520024 BEARING, ROLLER 2
55 520011 BAERING, DOUBLE ROW BALL 1
56 520021 BEARING, CONRAD BALL 1
57 548651 SNAP RING 1
58 565109 NUT 8
59 561256 BOLT 4
60 567509 WASHER 4
61 550083 BOLT,LOCK WIRE 6
62 548956 INSERT,MUD PUMP VALVE FXF 1
63 565809 BOLT 1

14
Ref. No. Part No. Description Quantity
64 548015 PLATE, WING GUIDE VALVE 1
65 548016 BODY, WING GUIDE VALVE 1
66 548017 PLUG, FLUID END DRAIN 4
67 565810 NUT 2
68 579103 PLUG 1
69 579104 PLUG 1
70 579106 PLUG 1
71 548018 HOOD, MUD PUMP 1
72 558013 NUT 2
73 548019 PLATE, JACK SHAFT END 1
74 561128 BOLT 10
75 567504 WASHER 10
76 561158 BOLT 6
77 561160 BOLT 6
78 561653 BOLT 2
79 565154 BOLT 12
80 567505 WASHER 26
81 561107 NUT 50
82 561206 BOLT 8
83 561706 BOLT 10
84 561204 BOLT 8
85 567507 WASHER 18
86 WIRE LOCK 2
87 520841 SCREW, DRIVE NO.6 'U' TYPE 4
88 548652 SNAPRING 2
89 540199 PLUG 1
90 WIRE LOCK 1

15
 HYDRAULIC EQUIPEMENT OF KDR 750

HYDRAULIC HOSES DESCRIPTION

S.No. PART NO DESCRIPTION Qty.
1 90476-0842B Ch. VALVE TO JACK CYL 4
2 90476-0848B Ch. VALVE TO JACK CYL 4
3 90476-0896 J-1 VALVE TO CHEQUE VALVE 2
4 90476-0848 J-2 VALVE TO CHEQUE VALVE 2
5 90476-08186 J-3 VALVE TO CHEQUE VALVE 2
6 90476-08216 J-4 VALVE TO CHEQUE VALVE 2
7 90473-1684B TANK TO PISTON PUMP 1
8 90473-2448B TANK TO GEAR PUMP 2 1
9 90473-2472B TANK TO GEAR PUMP 1 1
10 90476-0840B PUMP TO COOLER 1
11 90476-08174B COOLER TO TRACK VALVE 1
12 90476-08150B PUMP 2 TO TRACK VALVE 1
13 90476-08240B TRACK V/V TO MAIN VALVE 1
14 90476-08240B TRACK V/V TO MAIN VALVE 1
15-1 90479-16144B MOTOR A LINE 1
15-2 90479-16128B2 MOTOR A LINE 1
15-3 90479-1660 A LINE OF MOTOR 1
15-4 90479-1672 PISTON PUMP TO MANIFOLD 1
16-1 90479-16128B2 MOTOR B LINE 1
16-2 90479-16144B MOTOR B LINE 1
16-3 90479-1660 B LINE OF MOTOR 1
16-4 90479-1669 PISTON PUMP TO MANIFOLD 1
17-1 90473-08144B DRAIN LINE 1
17-2 90473-08128B2 DRAIN LINE 1
17-3 90473-0854 MOTOR TO DRAIN LINE 1
17-4 90473-0884 ROTATION DRAIN TO BOTTOM PLATE MAST 1
18 90473-0878 PISTON PUMP TO DRAIN TANK 1
19-1 90473-0654B CHARGE PRESSURE LINE PLATE TO MOTOR 1
19-2 90473-08144B DRAIN LINE 1
19-3 90473-08128B2 DRAIN LINE 1
19-4 90473-06120 BOTTOM PLATE TO C P GAUGE 1
20 90476-1678 MANIFOLD TO FEED CYL MAST 2
21 90476-1666 MAST CYL TOP 1
22 90476-0842 VALVE TO BIT WT/MICROFEED 2
23 90476-0892 BIT WT TO MAIN MANI FOLD 2
24 90476-1678 MANIFOLD TO FEED CYL MAST 2
25 80476-12126 MAST PLATE TO WINCH 2
23
S.No. PART NO DESCRIPTION Qty.
25A 90476-0860 MANIFOLD TO MAST PLATE 2
26 80476-0418B WINCH pressure line 1
27 90476-0860 MAIN V/V MANIFOLD 2
28 90476-0860 MAIN V/V MANIFOLD 2
29 90476-0896 VALVE TO MAST CYL TOP 1
30 90476-0872 VALVE TO MASTCYL BOTTOM 1
31 90476-08168B DUMP PLATE TO DUMP CYL 2
32 90476-0878 VALVE TO DUMP PLATE 2
33 90476-0854B VALVE TO MUD PUMP Regulator 1
34 90476-08174B REG VALVE TO MUD PUMP MOTOR 1
35 90476-0890 MUD PUMP MOTOR TO RETURN 1
36 90473-0884B Mud pump Regulating v/v TO return Manifold 1
37 90473-0678 MUD PUMP MOTOR TO DRAIN 1
38 90476-0884B MAIN V/V TO WIRE LINE 1
39 90476-0884 MAIN V/V TO WIRE LINE 1
40 90473-0666B WIRE LINE TO DRAIN 1
41 90476-08162 TRACK 1 TO CROLLER MOTOR 2
42 90476-08234 TRACK 2 TO CROLLER MOTOR 2
43 80473-0642 TRACK RETURN (MOTOR TO MANIFOLD) 4
44 90473-0884 MANIFOLD TO TANK 1
MUD PUMP TO DRILL HEAD
45* 80476-24180B MUD PUMP TO MAST MIDDLE 1
46* 80476-24144B MAST MIDDLE TO TOP PLATE 1
47* 80476-2460 TOP PLATE TO DRILL HEAD 1
OTHER HOSES
48* 90473-3266B COOLER TO TANK 1
49* 90476-0896B SERGE CHAMBER TO Mud Pump PG 1
50* 90476-0642 VALVE 1 TO PRE GAUGE 1
51* 90476-0654 VALVE 2 TO PRE GAUGE 1
52* 90473-06120B PUMP TO CHARGE PRESSURE T 1
53* 90473-06108B CHARGE PRESSURE T TO GAUGE 1
54* 90476-06120 SHATTEL VALVE TO ROTATION GAUGE 1
55* 90476-0624B PISTON PUMP TO SHUTTLE VALVE 2
56* 90476-06102 VALVE TO BOTTOM PLATE FOR RACK SLIDE 2
57* 90476-06128B2 MAST BOTTOM TO MIDDLEPLATEFOR RACK SLIDE 2
58* 90476-06144B MAST MIDDLE TO TOP PLATE FOR RACK SLIDE 2
59* 90476-0636 TOP PLATE TO R S MANIFOLD 2
60* 90476-0624 R S MANIFOLD TO CYL. BOTTOM PORT 2
61* 90476-0630 R S MANIFOLD TO CYL TOP PORT 2

24
 EQUIPMRNT DESCRIPTIONS
S.No. PART NO DESCRIPTION Qty.
62 8210226 CROLLER OPERATING VALVE 2
63 8210802 SYSTEM DIRECTION CONTROL VALVE ASSEMBLY 1
64 8210803 AXULARY DIRECTION CONTROL VALVE ASSEMBLY 1
65 8210804 BIT WEIGHT VALVE 1
66 8210805 MICRO FEED VALVE 1/2" 1
67 8210823 MUD PUMP REGULATING VALVE 1
68* 8220235 NEEDLE VALVE 4
69 8210233 CHECK VALVE 4
70* 8231011 SHUTTLE VALVE 1
71* 8220519 HOSE BUST VALVE 2
72 8211001 GEAR PUMP 2
73 8211002 MAIN ROTATION PUMP 1
74 8210229 MUD PUMP MOTOR 1
75 8210214 COOLER MOTOR 1
76 8210924 R0TATION MOTOR 1
77 8210125 FEED CYLINDER 1
78 8210505 MAST CYLINDER 1
79 8210209 JACK CYLINDER 4
80* 8210601 RACK SLIDE CYLINDER 2
81 8210512 DUMP CYLINDER 1
82* 8221112 FOOT CLAMP CYL 1
83 8210129 HOISTING WINCH 1
84 8210421 WIRE LINE MOTOR 1
85 8230137 CROLLER 1
86 8211005 MAIN PUMP SUCTION FILTER 1
87 8211006 RETURN LINE FILTER 1
88 8211003 BALL VALVE 1*1/2" 2
89 8211004 BALL VALVE 1*1/4" 1
90* 8211007 SUCTION STRAINER 2
91 8230219 HYDRAULIC TANK 1
92 8210207 PTO 1

25
SERVICE MANUAL TENGL

CHECKLIST FOR UNDERCARRIAGE PARTS

Sr.
Check Item Criteria Method Frequency Remedy
No.

1 ALL assemblies Missing parts / Visual Inspn. Daily Repair or

damaged parts replace

2 Roller Groups, Rotation Visual inspn by moving Daily Correct or

Carrier Roller the m/c to & fro replace
Groups, Idler
Groups

3 Idler Group (with Nitrogen gas Visually check position Daily Recharge or
Nitrogen cylinder) leakage of nitrogen cylinder replace
piston w.r.t the indicator
strip

4 Machine u/c Mud packing Visual Inspn. Daily or Clean with

weekly water jet
(depending on
underfoot
conditions)

5 Machine u/c

- Track bolts & Hardware Tap the track bolt head Retighten or
nuts loosening with a light hammer Weekly replace
along the axis.

- Others Hardware Visual Inspn. Daily Retighten or

loosening replace

6 Roller Groups, Oil leakage Visual Inspn. Weekly Correct and

Carrier Roller refill or
Groups, Idler replace
Groups

7 Track Tension Smooth Check for contact of Weekly Correct or

Assembly functioning piston with recoil assy / replace
nitrogen cylinder

8 Machine u/c Track Use thread After repair or Correct and

alignment replacement ensure the
alignment

The above instructions/notes relate to all undercarriage groups in general. Certain undercarriage
groups or parts thereof may not be present/relevant in some track modules.

Page 3 of 42