TM 9-2320-272-24-4
5-36. FUEL INJECTION PUMP MAINTENANCE
THIS TASK COVERS:
f.
Delivery Valve and Barrel Installation
a. Camshaft Removal
g.
Plunger and Control Rack Installation
b. Tappet and Plunger Removal
h.
Tappet and Spring Installation
c. Barrel and Control Rack Removal
i.
Camshaft Installation
d. Cleaning and Inspection
e. Leakage Test
INITIAL SETUP:
APPLICABLE MODELS
MATERIALS/PARTS (Contd)
Sealing compound (Appendix C, Item 61)
M939A2
GAA grease (Appendix C, Item 28)
SPECIAL TOOLS
Drycleaning solvent (Appendix C, Item 71)
Lubricating oil (Appendix C, Item 50)
Two separation tubes (Appendix E, Item 119)
Side plug puller (Appendix E, Item 111)
REFERENCES (TM)
Three tappet holders (Appendix E, Item 134)
TM 9-2320-272-24P
Tappet spring compressor (Appendix E, Item 135)
EQUIPMENT CONDITION
TOOLS
General mechanic's tool kit (Appendix E, Item 1)
R.Q.V. governor housing removed (para. 5-35).
Torque wrench (Appendix E, Item 144)
GENERAL SAFETY INSTRUCTIONS
Arbor press
Diesel fuel is flammable. Do not perform this task
MATERIALS/PARTS
near open flames.
Fuel injection pump repair kit (Appendix D,
Keep fire extinguisher nearby when using
drycleaning solvent.
Item 137)
Drycleaning solvent is flammable and toxic. Do
Fuel injection pump maintenance kit
not use near open flame.
a. Camshaft Removal
WARNING
Diesel fuel is flammable. Do not perform fuel system procedure
near open flame. Injury to personnel may result.
Drycleaning solvent is flammable and toxic. Do not use near
open flame and always have a fire extinguisher nearby when
solvents are used. Use only in well-ventilated places, wear
protective clothing, and dispose of cleaning rags in approved
container. Failure to do this may result in injury or death to
personnel and/or damage to equipment.
CAUTION
Improper cleaning methods and use of unauthorized cleaning
solvents can damage equipment.
1.
Clean exterior of fuel pump housing (10) with drycleaning solvent.
2.
Using side plug puller, remove three side plugs (7) from fuel pump housing (10). Discard side plugs (7).
3.
Remove three spacer blocks (8) from side holes (9).
CAUTION
Keep cylinder parts together for replacement in their original
cylinder. Failure to do so may result in damage to fuel pump.
4.
Remove six nuts (4), lockwashers (3), spacer rings (2), and locking tabs (1) from studs (5) and delivery
valve holders (13). Discard lockwashers (3).
5-240
