INJECTION PUMP SPECIFICATION ©
FULL LOAD RPM: 2200 CUSTOMER PART #: 836854679 MODEL NO.: DB2635-5243*
GOV. REGULATION: 5-8 % CUSTOMER'S NAME: SUPERSEDES:
ENGINE: 620 DS T SISU TRACTORS INC. EDITION NO.: 10
APPLICATION: 110 HP/81.5 Kw LINNAVUORI FINLAND DATED: 01/30/2014
NOTE: THIS SPECIFICATION DEVELOPED WITH ISO LONG INLET STUD
ALL SPEEDS ARE IN ENGINE RPM UNLESS OTHERWISE NOTED.
USE LATEST REVISION FOR ALL REFERENCED DOCUMENTS
* SEE SPECIFICATION TABLE
TEST STAND: ISO 4008: PUMP SETTINGS: FOLLOWING PUMP SERVICE
1. CALIBRATING HIGH PRESSURE PIPES...SAE J1418/ISO 4093: 1. ROLLER-TO-ROLLER DIMENSION: 1.965" ± .0015"
.063" (1.6 mm) ID X 25" (635 mm) LONG. (49.91 mm ± 0.04 mm)
2. CALIBRATING INJECTORS........SAE J968/ISO 7440 MAXIMUM ECCENTRICITY: .004" (0.10 mm) T.I.R.
0.5 mm ORIFICE PLATE NOP: 3000 PSI (207 BAR) 2. GOVERNOR LINKAGE GAP: .125" TO .165" (3.2-4.2 mm)
3. CALIBRATION FLUID: SAE J967/ISO 4113 (REF. S.B. 201) (USE KIT #23093 S.B. 95)
a. TEMPERATURE 110-115F (43-46C) AT INLET. 3. 1000 RPM (WOT): OPERATE PUMP FOR 10 MINUTES TO BRING TO
b. SUPPLY PRESSURE (S.B. 334): 5.0 ± 0.5 PSI OPERATING TEMPERATURE AND CLEAR AIR FROM SYSTEM.
( 34± 3 kPa) AT PUMP INLET. 4. 400 RPM (WOT):
4. CAM MOVEMENT READ-OUT DEVICE: #23745 a. CHECK SHUT-OFF: 4 mm³/STROKE, MAX.
b. CHECK FOR MINIMUM TRANSFER PUMP LIFT OF 18" HG.,
PUMP INSTALLATION: IT-033 (60 kPa)
ROTATION-C-* 5. 2200 RPM (WOT):
NAME PLATE-L-SIDE** a. SET TRANSFER PUMP PRESSURE FOR 93-95 PSI,
#1 CYL.-11-O'CLOCK** (640-655 kPa)(SUPPLY SET PER TEST STAND NOTE 3B)
THROTTLE-L-SIDE** b. ADJUST RETURN OIL TO 300-600 CC/MIN. RECHECK TRANSFER
TIMING MARK 290 PUMP PRESSURE.
E.S.O. (12V E.T.R.) c. CHECK HOUSING PRESSURE FOR 8.0-13.5 PSI, (55-93 kPa)
6. 1400 RPM (WOT): SET ADVANCE TRIMMER SCREW FOR 4.5.
* VIEWED FROM DRIVE END ** VIEWED FROM TRANSFER PUMP END 7. 1400 RPM (WOT): SET ROLLER-TO-ROLLER FUEL DELIVERY
84-85 mm³/STROKE.
PUMP OPERATING SPEED...HALF...ENGINE SPEED 8. 2200 RPM (WOT): SET TORQUE SCREW FOR 67.5-68.5 mm³/STROKE
MECHANICALLY TIME TO CAM (S.B. 177) (SEE SPECIAL NOTES)
9. 2420 RPM (WOT): ADJUST HIGH IDLE SCREW TO OBTAIN
PUMP CALIBRATION CHECKS: AS RECEIVED FOR SERVICE 10-15 mm³/STROKE.
(REF. SL-222) 10. 750 RPM (L.I.): SET LOW IDLE SCREW FOR 10-12 mm³/STROKE.
1. 1000 RPM (WOT): OPERATE PUMP FOR 10 MINUTES TO BRING TO 11. CHECK POINTS:
OPERATING TEMPERATURE AND CLEAR AIR FROM SYSTEM.
2. 2420 RPM: PRIOR TO CHECKING PUMP PERFORMANCE, RESET HIGH THROTTLE T.P.
IDLE SCREW TO OBTAIN 10-15 mm³/STROKE. RPM POSITION mm³/STROKE ADVANCE PRESSURE
3. CHECK POINTS: a. 150 WOT 28 MIN. 0 10 MIN.**
b. 400 WOT* 4 MAX. --- ---
THROTTLE c. 750 L.I. 10-12 --- ---
RPM POSITION mm³/STROKE ADVANCE
d. 1000 WOT --- 3.0-5.0 ---
a. 150 WOT 26 MIN. 0
b. 400 WOT* 4 MAX. --- e. 1400 WOT 84-85 4.0-5.0 ---
c. 750 L.I.** 10-12 --- f. 2200 WOT 67.5-68.5 5.5-6.5 93-95
d. 1000 WOT --- 3.0-5.0 g. 2200 WOT* 4 MAX. --- ---
h. 2420 WOT 10-15 --- ---
e. 1400 WOT 82.5-86.5 3.5-5.5 i. 2470 WOT 5 MAX. --- ---
f. 2200 WOT*** 66.5-69.5 5.5-6.5
g. 2200 W0T* 4 MAX. --- * E.S.O. DE-ENERGIZED ** (69 kPa) *** (640-655 kPa)
h. 2420 H.I. 10-15 ---
i. 2470 WOT 5 MAX. --- 12. SPECIAL NOTES:
a. TORQUE ALL FASTENERS PER S.B. 106.
* E.S.O. DE-ENERGIZED b. ASSEMBLE THROTTLE LEVER SPACER AND ARM IN B4-L
** RESET USING LOW IDLE SCREW, IF NECESSARY POSITION PER S.B. 164.
*** TORQUE SCREW SET BY O.E.M., RESET IF NECESSARY c. SEAL FASTENERS PER S.B. 134 AND 365.
13. FACTORY USE ONLY: SET TORQUE SCREW SO AS NOT TO IMPEDE
METERING VALVE MOVEMENT. (SET BY O.E.M.)
14. SPECIFICATION TABLE
DETERMINE IF THE PUMP HAS BEEN MARKED WITH A LETTER
SUFFIX. FOLLOW INSTRUCTION BELOW AS DETERMINED BY THAT
LETTER.
SUFFIX LETTER – CUSTOMER P/N – MODIFICATIONS:
A – 836854793 - GOVERNOR SPRING P/N 20922, 2200 RPM (WOT)
ENSURE TORQUE SCREW NOT SET. CHECK FUEL DELIVERY TO
73.0 mm3/STROKE MINIMUM. 2320 RPM (WOT) SET HIGH IDLE
TO 10-15 mm3/STROKE.
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DB2635-5243 EDITION 10 DATED 01/30/2014 Page 2 of 4
Note:
Note:
Note:
DB2635-5243 EDITION 10 DATED 01/30/2014 Page 3 of 4
Note: * O.S. METERING VALVE AND ARM ASSEMBLY 22248 REFERENCE S.B.336
Note: THROTTLE LEVER BUSHING OUT
ASSEMBLE THROTTLE LEVER SPACER AND ARM IN B4-L POSITION
Note: ASSEMBLE 22658 PISTON WITH PART NO. TOWARDS PISTON HOLE PLUG
DB2635-5243 EDITION 10 DATED 01/30/2014 Page 4 of 4
Note: INSTALL GROUNDING STRAP ON LEFT SIDE VIEWING TRANSFER PUMP REF S.B. 108
E.S.O. TERMINAL ORIENTATION TO BE IN LINE WITH SIDE.
FOR SERVICE USE ONLY
APPLICABLE SERVICE ASSEMBLIES FOR ENGINEERING USE ONLY
Assembly Description DATE ECN NO EDITION
15093 THROTTLE SHAFT BUSHING REPLACEMENT 08/21/1995 23789 1
26431 ESO MOUNTING AND GROUNDING KIT 06/05/1996 23789 2
32980 PILOT TUBE REPLACEMENT (REF SB 171C) 06/18/1996 23789 3
33814 GASKET KIT 01/08/1998 25406 4
05/26/1998 25681 5
02/07/2000 26664 6
02/23/2001 27211 7
07/18/2008 31503 8
06/30/2011 33372 9
01/30/2014 36592 10
