TM 55-2815-574-24
SUSTAINMENT MAINTENANCE
ENGINE
CYLINDER HEAD POPPET VALVE ROCKER ARM REPAIR
INITIAL SETUP:
Tools and Special Tools
References
General mechanic's tool kit
TM 55-1925-205-24P
Equipment Condition
Hand operated arbor press
Engine cool to touch
Single channel ground and airborne radio system
Industrial goggles (WP 0179, Table 1, Item 54)
(TM 11-5820-890-10-8)
Main navigation mast removed
(TM 55-1925-205-23)
Intake plenum assembly removed
Materials/Parts
(TM 55-1925-205-23)
Operator's cab removed (TM 55-1925-205-23)
Engine hatch removed (TM 55-1925-205-23)
Air inlet collector assembly removed (WP 0104)
Cylinder head poppet valve rocker arm cover
Personnel Required
Engineer 88L
NOTE
This procedure is typical for all poppet valve rocker arms on both starboard and port
engines.
DISASSEMBLY
1.
Place rocker arm assembly (Figure 1, Item 1) in arbor press.
Figure 1. Rocker Arm.