TM-9-2320-260-34-1

TRUCK, 5-TON, 6X6, M809 SERIES (DIESEL)

TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE; VOLUME 1 OF 2

JULY 1994

TM-9-2320-260-34-1 - Page 339 of 657

TM 9-2320-260-34-1

5-9. INJECTOR LEAKAGE TEST

THIS TASK COVERS:

a.

Injector Leakage Tester Setup

b. Injector Plunger and Seat Testing

lNITIAL SETUP

APPLICABLE MODELS

All

SPECIAL TOOLS

Adjusting wrench (Appendix B, Item 154)

Locknut wrench (Appendix B, Item 25)

TEST EQUIPMENT

Injector leakage tester (Appendix B, Item 95)

MATERIALS/PARTS

Retaining ring (Appendix D, Item 342)

Screen (Appendix D, Item 377)

REFERENCES (TM)

TM 9-2320-260-10

TM 9-2320-260-34P-1

EQUIPMENT CONDITION

l Parking brake set (TM 9-2320-260-10).

l Fuel injectors removed (para. 5-6).

a. Injector Leakage Tester Setup

1. Set pressure regulator (3) at 60 psi (414 kPa). Read pressure setting on gage (1).

NOTE

Air pressure must stay at 60 psi (414 kPa) during all tests to

obtain proper readings.

2. Operate cylinder actuation valve (2) three times then reset pressure regulator gage (1) at 60 psi

(414 kPa)

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