INJECTION PUMP SPECIFICATION ©

FULL LOAD RPM: 1500 CUSTOMER PART #:2643U604 XK MODEL NO.: DB4627-5037
GOV. REGULATION: 3-5 % CUSTOMER'S NAME: SUPERSEDES:
ENGINE: T 6.60 PERKINS ENGINES LIMITED EDITION NO.: 20
APPLICATION: GENERATOR DATED: 11/17/2017
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.

TEST STAND: ISO 4008: PUMP SETTINGS: FOLLOWING PUMP SERVICE

1. CALIBRATING HIGH PRESSURE PIPES...SAE J1418/ISO 4093: 1. ROLLER-TO-ROLLER DIMENSION: 1.975" ± .001"
.063" (1.6 mm) I.D. X 25" (635 mm) LONG. (50.17 mm ± .025 mm)
2. CALIBRATING INJECTORS... S.A.E. J968/ISO 7440: MAXIMUM ECCENTRICITY: .004" (0.10 mm) T.I.R.
0.6 mm ORIFICE PLATE NOP: 3000 PSI (207 BAR). 2. GOVERNOR LINKAGE GAP: .125" TO .145" (3.2-3.7 mm)
3. CALIBRATION FLUID...SAE J967/ISO 4113 (REF. S.B. 201): (USE KIT #23093 S.B. 95).
a. TEMPERATURE AT INLET: 110°-115°F (43°-46°C) 3. SPEED DROOP SETTING: ASSEMBLE SPEED DROOP PER S.B. 97R.
b. SUPPLY PRESSURE (S.B. 334): 5.0 ± 0.5 PSI ENSURE CONTROL SPRING IS INSTALLED WITH 5 -½ +1 TURNS ON
(34 ± 3 kPa) AT PUMP INLET. CONTROL ROD SPRING GUIDE.
4. ELECTRONIC ADVANCE INDICATOR: 39938 4. 1000 RPM (WOT): OPERATE PUMP FOR 10 MINUTES TO BRING TO
OPERATING TEMPERATURE AND CLEAR AIR FROM SYSTEM.
PUMP INSTALLATION: IT-033 5. 400 RPM (WOT):
ROTATION-C-* a. CHECK SHUT-OFF: 4 mm³/STROKE, MAX.
NAME PLATE-L-SIDE** b. CHECK FOR MINIMUM TRANSFER PUMP LIFT OF 18" HG.
#1 CYL. -9-O'CLOCK** (60 kPa).
THROTTLE-L-SIDE** 6. 1500 RPM (WOT):
E.S.O. (12V E.T.R.) a. SET TRANSFER PUMP PRESSURE FOR 79-81 PSI,
(545-558 kPa)(SUPPLY SET PER TEST STAND NOTE 3B)
* VIEWED FROM DRIVE END ** VIEWED FROM TRANSFER PUMP END b. ADJUST RETURN OIL TO 200-500 CC/MIN. RECHECK TRANSFER
PUMP PRESSURE.
PUMP OPERATING SPEED...HALF...ENGINE SPEED c. CHECK HOUSING PRESSURE FOR 4.0-10.5 PSI, (28-72 kPa).
AIR TIMED TO HOUSING FLANGE (S.B. 177)(SEE SPECIAL NOTES) d. ADJUST ADVANCE TRIMMER SCREW FOR FULL ADVANCE. SET
CAM MOVEMENT READ OUT DEVICE FOR 3.0°.
PUMP CALIBRATION CHECKS: AS RECEIVED FOR SERVICE 7. 350 RPM (WOT): SET ADVANCE TRIMMER SCREW FOR 1.5°.
(REF. SL-222)(REF. S.B. 97R FOR SPEED DROOP) 8. 1500 RPM (WOT): SET ROLLER-TO-ROLLER FUEL DELIVERY:
1. 1000 RPM (WOT): OPERATE PUMP FOR 10 MINUTES TO BRING 110-111 mm³/STROKE.
TO OPERATING TEMPERATURE AND CLEAR AIR FROM SYSTEM. 9. 1575 RPM (WOT): ADJUST HIGH IDLE SCREW TO OBTAIN
2. TURN SPEED DROOP ADJUSTING CAP TO FULL 5 MAX. mm³/STROKE.
COUNTERCLOCKWISE POSITION. 10. TURN L.I. SCREW IN UNTIL THE SCREW JUST CONTACTS THE
3. 1625 RPM (WOT): RESET HIGH IDLE SCREW TO OBTAIN THROTTLE BOSS WITH THE THROTTLE IN THE WOT POSITION.
5 MAX. mm³/STROKE, IF NECESSARY. LOCK L.I. SCREW NUT.
4. CHECK POINTS: (SEQUENCE MUST BE FOLLOWED AS LISTED) 11. CHECK POINTS:
THROTTLE THROTTLE T.P.
RPM POSITION mm³/STROKE ADVANCE RPM POSITION mm³/STROKE ADVANCE PRESSURE
a. 1625 WOT 5 MAX. --- a. 1575 WOT 5 MAX. --- ---
b. 1500 WOT* 4 MAX. --- b. 1500 WOT* 4 MAX. --- ---
c. 1500 WOT 108.5-112.5 --- c. 1450 WOT 110-111 --- ***78-80
d. 500 WOT --- 3.0° d. 500 WOT --- 3.0° ---
e. 400 WOT* 4 MAX. --- e. 400 WOT* 4 MAX. --- ---
f. 250 WOT --- ** f. 250 WOT --- **** ---
g. 200 WOT 68 MIN. 0° ± 0.5° g. 200 WOT 70 MIN. 0°± 0.5° ***18 MIN.
* E.S.O. DE-ENERGIZED * E.S.O. DE-ENERGIZED **(124 kPa) ***(545-558 kPa)
** READING TO BE SAME AS READING OBTAINED IN STEP 4g. **** READING TO BE SAME AS READING OBTAINED IN STEP 11g
12. SPECIAL NOTES:
a. TORQUE ALL FASTENERS PER S.B. 106.
b. TURN SPEED DROOP ADJUSTING CAP 2 ± 1/4 TURNS FROM
FULL COUNTERCLOCKWISE POSITION AFTER TEST.
c. ASSEMBLE DRIVE COMPONENTS PER S.B. 438
d. SEAL FASTENERS PER S.B. 134R AND S.B. 365R1.
e. CHECK PUMP FOR MODIFICATION NAME PLATES PER S.B. 490.
f. AIR TIME PUMP USING STANADYNE AIR TIMING FIXTURE 42973
WITH HUB ADAPTER 29711. CONNECT AIR SUPPLY WITH 60-100
PSI (4.1-6.9 BAR) TO #1 CYLINDER OUTLET. SET TOOL TO 331.5°
AND INSTALL TO DRIVE SHAFT. SLOWLY ROTATE TOOL
CLOCKWISE UNTIL ROLLERS STRIKE CAM RING AND TOOL
STOPS, SCRIBE LINE ON HOUSING FLANGE. REPEAT
PROCEDURE TO ENSURE ACCURACY. IF INTERFERENCE
BETWEEN STRAIGHT EDGE AND HOUSING FLANGE OCCURS,
PLACE WASHER (i.e. 13521) BETWEEN STRAIGHT EDGE AND
TOOL.

© STANADYNE Corporation, all rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any
form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from the publisher.
 DB4627-5037 EDITION 20 DATED 11/17/2017 Page 2 of 4

Note:

Note:

Note:
 DB4627-5037 EDITION 20 DATED 11/17/2017 Page 3 of 4

Note: * O.S. METERING VALVE AND ARM ASSEMBLY 22248 REFERENCE S.B. 336

Note:

Note:
 DB4627-5037 EDITION 20 DATED 11/17/2017 Page 4 of 4

Note: E.S.O. TERMINAL ORIENTATION TO BE IN LINE WITH SIDES OF COVER

FOR SERVICE USE ONLY

APPLICABLE SERVICE ASSEMBLIES FOR ENGINEERING USE ONLY
Assembly Description DATE ECN NO EDITION
17776 THROTTLE SHAFT BUSHING REPLACEMENT 12/13/1991 21098 1
26431 ESO MOUNTING AND GROUNDING KIT 03/23/1992 21481 2
33702 GASKET KIT 03/23/1992 21491 2
08/17/1992 21641 3
08/17/1992 21811 3
10/16/1992 21161 4
10/16/1992 21879 4
02/08/1993 22246 5
04/19/1993 18797 6
06/17/1994 22964 7
10/06/1994 23456 8
11/29/1994 23566 9
11/15/1996 24598 10
05/30/1997 24969 11
11/06/2000 26793 12
06/02/2003 28239 13
07/31/2003 27563 14
10/23/2003 26277 15
01/13/2004 28511 16
10/04/2013 36147 17
01/30/2014 36592 18
09/24/2014 37305 19
11/17/2017 39745 20