TM 55-2815-574-24
0074
INSTALL THE CONNECTING ROD Continued
CAUTION
Do not hold piston in a vice to install piston pin retainers. Failure to comply could result in
damage to equipment.
7.
Support piston assembly (1) on a solid surface using wooden blocks so that it cannot roll.
8. Place a new piston pin retainer (7) in position on the piston (1).
9.
Place crowned end of installer against the retainer (7) and strike the retainer with a hammer just hard enough to
drive the piston pin retainer (7) into the piston.
10. Ensure the piston pin retainer (7) is seated properly.
11. Install the other piston pin retainer (7) using the same steps.
END OF TASK
TEST RETAINER FOR LEAKS
1. Place the suction cup of vacuum gage tester over the retainer (7).
VACUUM HAND PUMP
1
NOTE
A leak at the piston pin retainer is indicated by a drop in the reading during the
following procedure.
2.
Operate the lever on the vacuum gage tester to 10 in.Hg on the gauge. A drop in the reading indicates a leak at the
piston pin retainer (7). Repair as necessary.
END OF TASK
0074-15