Hanix H75c Service Manual Purchased From T.M.
Manuals
H75C
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H75C
Service Manual
Japanese Craftsmanship
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INTRODUCTION
To insure a long life for the machine and the engine and to prevent failure and problems,
proper operation, maintenance and repairs are indispensable.
This service manual includes an “outline,” “structure and operation,” “inspection and ad-
justment,” “disassembly and assembly,” “standard maintenance,” and “repair and replace-
ment of parts” of the machine which are necessary to carry out the inspections and repairs
in the repair shop.
We hope that this manual helps you to efficiently and effectively carry out repairs by pro-
viding and accurate description of the product and the correct repair techniques.
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CONTENTS
1. Precautions on Maintenance
2. Outline
3. Attachment
4. Engine
5. Main Pump
6. Hydraulic Oil Filter
7. Control Valve
8. Joystick
9. Pilot valve(1)(Travel)
10. Pilot valve(2)(Swing.PTO)
11. Pilot valve(3)(Dozer)
12. Slew Motor
13. Travel Motor
14. Hydraulic Cylinder
15. Swivel Joint
16. Crawler
17. Spring Case and Grease Cylinder
18. Idler
19. Sprocket
20. Track Roller
21. Carrier Roller
22. Electrical Equipment
23. Troubleshooting
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1 PRECAUTIONS ON MAINTENANCE
1. Correct operation
Correct operation means to follow the correct “procedure” and “method.”
Procedure focuses on speed and accuracy of each job.
In the method, are addressed what type of facility, tools, instruments, materials, oil should
be used, how and which part should be checked, adjusted or disassembled, and what
matters to attend to.
2. Precautions on operation
1. Safety check
Check that stoppers and sleepers are correctly installed for the vehicle jack-up
operation.
2. Preparation
Prepare all of the tools and inspect and adjust the instruments.
3. For efficiency
1) Understand the state before disassembly.
What is the problem? Is disassembly absolutely necessary?
2) Before disassembly
Determine whether match marks are necessary. For the electrical system, disconnect
the cable from the battery terminal.
3) Precautions for disassembly
In stead of checking all of the disassembled parts at once, check each part
individually as it is disassembled. When removing the hydraulic unit or the hoses,
mount a dust cap on the connection.
4) Repair of disassembled parts
Keep the disassembled parts in order. Clearly distinguish the parts to be replaced
with new parts from those to be reused. Packings, seals, rings, split pins must be
replaced.
NOTE:
Electrical equipment, rubbers and V belts (which are easily affected by water and
oil) must be handled carefully in order to prevent soiling them.
5) Clean disassembled parts
Thoroughly clean the disassembled parts.
6) Assembly
Perform the assembly correctly (tightening torque, application of Three Bond,
screw lock, grease, use of seal tape, etc.). Also install the hose correctly.
Hose mark Hose mark
1-1
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2 OUTLINE
CONTENTS
2-1 Location of serial No.
2-2 Name of each part
2-3 Dimensions and specification
2-4 Weight list
2-5 Oil and grease supply points
2-6 List of supply oil and grease
2-7 When to repair
2-8 Hydraulic circuit diagram
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2-1 Location of Serial Number
MACHINE
MODEL
MODELL/MODELLE
MODELLO/MODELOS Model Name.
MASCHINE
MACCHINA NO.
MAKUIME
MASKIN
WEIGHT/GEWICHT
GEWICHT/POID
Serial No.
PESO/PESO/VEKT kg
YEAR/JAAR
BAUJAHR/ANNEE
ANNO/ANO/ R
ENGINE MODEL
MODELL/MODELLE MAX. DRAWBAR
MOTOR MODELLO/MODELOS PULL kN
MOTEUR MAX. VERT.
MOTORE NO. LOAD kN
MODOR POWER/VERMOGEN
LEISTUNG/PUISSANCE -1
POTENSA/POTENCEA
YTELSE
kW/ min
Unit B Windmill Lane, Denton, Manchester M34 3SP, United Kingdom
MADE IN JAPAN
2-1
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2-2 Name of each part
4 1
3
5 11
12 13
25
6 15
10
7
14
8 2
24 9
23
19
16 26 20
17 18 21 22
1. Boom 14. Counter weight
2. Boom cylinder 15. Operator's seat
3. Arm cylinder 16. Crawler
4. Arm 17. Dozer blade
5. Bucket cylinder 18. Dozer cylinder
6. Bucket links 19. Drive/Track motor
7. Dump link 20. Track roller
8. Bucket 21. Front idler
9. Swing frame 22. Grease cylinder
10. Engine cover 23. Swing post
11. Fuel tank 24. Swing cylinder
12. Hydraulic tank 25. Operation levers
13. Cabin 26. Carrier roller
2-2
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Hanix H75c Service Manual Purchased From T.M. Manuals
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6 13 10 9 3 5 1. Meter unit
2. Starter switch
8 3. Horn switch
4. Fuse box
12 11 5. Right operation lever
16 6. Left operation lever
7. Accelerator lever
1 8. Dozer lever
18 9. Right travel lever
15 7 10. Left travel lever
11. Swing pedal
19
12. P.T.O. pedal
20 13. Safety lock lever
14. Over drive switch
2 15. Hearter switch
16. Wiper switch
17. Cigarette lighter
14 18. Cooler switch (option)
17 19. Change lever (heater↔cooler)
(option)
20. Change lever (fresh air)
(option)
21. Heater change lever
(cold↔warm)
21
4
1. Water temperature meter
4 2. Fuel gauge
5
6 3. Hour meter
4. Charge lamp
7 5. Engine oil pressure lamp
H
TER
WA EMP
9 6. Glow lamp
T
C
F
7. Air filter lamp
FUE
L
8. Head light switch
1
E
00
00
00 UR
HO TER
ME 9. Drain water warning lamp
3
8
2-3
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