TM 55-1905-223-24-8
2-21.
Replace Connecting Rod and High Pressure Piston Assembly.
This task covers:
a. Removal,
b. Replacement.
INITIAL SETUP
Tools
Equipment Condition
Tool kit, general mechanic's,
Cylinder head and block assembly removed
5120-00-116-7676
Materials/Parts
Connecting rod and high pressure
piston assembly P/N 110750
Wiping rags, Item 3, Appendix C
Lubricating oil, Item 5, Appendix C
REMOVAL
Pull high pressure piston and connecting rod (2, FIGURE 2-12) from bottom of cylinder block assembly (1).
REPLACEMENT
CAUTION
Exercise caution while inserting connecting rod and piston to avoid scratching cylinder wall.
a.
Install piston (2) into cylinder (1) using procedures described here:
(1) Coat all parts with clean lubricating oil before installing.
(2) Cover connecting rod with rag to prevent scratching cylinder lining.
Stagger rings and pre-lube the piston.
(3) Make sure the gaps in the rings are staggered around piston when installing.
(4) Place piston compressor (3, FIGURE 2-13) around piston (4).
(5) Insert piston with connecting rod (5) into cylinder (6).
Change 1 2-40