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![]() TM 55-1905-219-14-8 
4-7.7. CRANKSHAFT AND PISTON - MAINTENANCE INSTRUCTIONS (Continued). 
This task covers: 
a. Removal 
b. Repair 
c. Installation 
INITIAL SETUP 
Test Equipment 
References 
Paragraph 
NONE 
Manifold Assembly 
Equipment 
Special Tools 
Condition 
Condition Description 
Paragraph 
Arbor press 
Power Head Receiver 
Allen wrenches 
Assembly removal 
Bearing puller 
Feeler gage 
Rawhide mallet 
Material/Parts 
Special Environmental Conditions 
Grease MIL-L-15719A 
NONE 
Personnel Required 
General Safety Instructions 
1 
NONE 
LOCATION 
ITEM 
ACTION 
REMARKS 
REMOVAL 
1. Piston 
a. Connect- 
Remove. 
and con- 
ing rod 
necking 
screws 
rod as- 
(1) 
semblies 
b. Caps (2), Remove 
1. Place bear- 
and bear- 
ing retain- 
ing re- 
ers (3) and 
tainers 
needle bear- 
(3) 
ings (4) on 
a clean sur- 
face. 
2. Prevent in- 
terchanging. 
4-200 
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