TM 9-2320-272-24-2
4-19. CAM FOLLOWER HOUSING MAINTENANCE
THIS TASK COVERS:
a. Removal
b. Disassembly
c. Cleaning and Inspection
d. Assembly
e. Installation
INITIAL SETUP:
APPLICABLE MODELS
M939/A1
TOOLS
General mechanic’s tool kit (Appendix E. Item 1)
Inside micrometer (Appendix E; Item 82)
Outside micrometer (Appendix E, Item 80)
Telescoping depth gauge (Appendix E, Item 136)
60-degree angle cutter (Appendix E, Item 6)
Feeler gauge, 0.006-in.
Soft-faced hammer
Arbor press
Mandrel
MATERIALS/PARTS
Two cup-plugs (Appendix D, Item 89)
Six screw-assembled lockwashers (Appendix D,
Item 586)
Cam follower housing gasket kit (Appendix D,
Item 534)
Lubricating oil (Appendix C, Item 50)
Prussian blue (Appendix C, Item 54)
Sealing compound (Appendix C, Item 68)
Drycleaning solvent (Appendix C, Item 71)
REFERENCES (TM)
TM 9-2320-272-24P
EQUIPMENT CONDITION
l
Fuel pump removed (cylinders 3 and 4)
(para. 4-35).
l
Air compressor removed (cylinders 1 and 2)
(para. 4-31).
l
Rocker lever housings and push tubes removed
(para. 4-20).
GENERAL SAFETY INSTRUCTIONS
l
Keep fire extinguisher nearby when using
drycleaning solvent.
l
Drycleaning solvent is flammable and toxic. Do
not use near an open flame.
NOTE
l
Maintenance procedure for all three cam follower housings are
the same.
l
Cam follower bushings are mounted with screw-assembled
lockwashers on late model engines.
NOTE
Removal of fuel line bracket is only required for number 2-3 cam
follower bushing.
1.
Remove six screw-assembled lockwashers (5) and fuel line bracket (6) from cam follower bushing (4).
Discard screw-assembled lockwashers (5).
4-144