ARMY TM 9-2815-259-24
AIR FORCE TO 38G1-125-2
MARINE CORPS 09249A/09246A-24
5.3. FUEL SYSTEM MAINTENANCE
5.3.1. FUEL INJECTION PUMP.
The following procedures require complete access to the engine. If
necessary, remove engine from generator set, refer to TM 9-6115-671-14.
Mount engine on repair stand (NSN 4910-01-016-1835 or equal) as outlined
in paragraph 4.10.
If working on fuel injection pump on TQG, refer to TM 9-6115-671-14 for
removal and installation procedure for electrical actuator.
Test bench coupling should be of self aligning, zero backlash type.
Remove injection pump, refer to paragraph 4.6.1.a.
Install injection pump on a motorized test bench meeting ISO Standard 4008.
Ensure rotation of drive shaft on test stand is clockwise.
If incorrect connector is used on the transfer pump inlet, damage to
internal threads will occur.
Install transfer pump inlet connector from the transfer pressure adjusting tool kit.
Install transfer pressure gage connector.
Install a shutoff valve to isolate gage when not in use.
Remove timing line cover and install advanced indicator.
Energize electric shutoff device with 24 VDC at lowest speed.
Move pump throttle lever to full load position.
Pressurize transfer pump inlet to 5.0 ± 0.5 psi (34 ± 3 kPa).