TM 5-4320-300-14
6-7. CYLINDER HEAD AND BLOCK(CONT)
Location/item
Action
Remarks
CLEANING/INSPECTION OF
ROCKER ARMS SHAFTS
AND BRACKETS
WARNING
Severe burns, illness, or death may result if personnel fail to handle diesel fuel properly. Observe
the following precautions:
·
Do not inhale vapor.
·
Work in a well-ventilated area.
·
Do not use near open flame, sparks, or excessive heat.
Compressed air used for cleaning shall not exceed 100 psi (690 kPa). Use goggles or face shield
for eye protection. Do not direct airstream against skin.
18. Injectors
Clean injectors with clean VV-F-800 diesel fuel.
19. Rocker arms,
Wash rocker arms, shaft, brackets, and bolts with
shafts, and
clean VV-F-800 diesel fuel. Use a small wire to
brackets
clean drilled oil passages in rocker arms and rocker
shaft bolts. Dry parts with compressed air. Inspect
rocker arm shaft, injector rocker arm bushings, and
valve rocker arm bores for wear. A maximum
shaft to bushing (or bore) clearance of 0.004 inch
(0.1016 mm) is allowable with used parts. Inspect
rocker arms for galling or wear on the pallets
(valve or injector contact surfaces). Also inspect
valve bridges for wear.
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