TM 5-4320-302-14
6-20. CRANKSHAFT ASSEMBLY (CONT)
Location/Item
Action
Remarks
CLEANING/
INSPECTION
WARNING
Severe burns, illness, or death may result if personnel fail
to handle diesel fuel oil 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.
Death or severe injury might result when compressed air is
used to blow dirt from skin or clothing. Air entering body
openings is extremely dangerous. 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.
Live steam used for cleaning shall not exceed 100 psi (690
kPa). Use goggles or face shield for eye protection. Do not
direct live steam against skin.
9.
Crankcase
Clean thoroughly with live steam. Clean all ex-
terior openings and surfaces. Be especially careful
to clean all oil passages to make sure they are free.
Use a small and/or large wire bristle brush where
necessary to remove carbon or other deposits from
openings and surfaces. Use VV-F-800 diesel fuel oil
as necessary to soften and remove carbon or
hardened oil deposits. Dry with compressed air.
10. Crankcase
Thoroughly inspect crankcase for any cracks, dis-
coloration, distortion, rust, corrosion, or other
damage. Use MIL-1-6868 magnetic particle in-
spection to detect cracks. If crankcase is cracked,
distorted, overheated, seriously rusted or corroded
on machined surfaces, or exhibits-other serious
damage, replace crankcase.
6-168
