TM 5-3805-291-23-2
CYLINDER HEAD REPLACEMENT - CONTINUED
0172 00
CLEANING AND INSPECTION
WARN I N G
Solvent cleaning compound MIL-PRF-680 Type III is an environmentally compliant and low-toxic
material. However, it may be irritating to the eyes and skin. Use protective gloves and goggles. Use in
well-ventilated areas. Keep away from open flames and other sources of ignition. Failure to do so may
result in injury or death to personnel.
Particles blown by compressed air are hazardous. DO NOT exceed 15 psi (103 kPa) nozzle pressure
when drying parts with compressed air. DO NOT direct compressed air against human skin. Make
sure air stream is directed away from user and other personnel in the area. To prevent injury, user
must wear protective goggles or face shield. Failure to follow this warning may result in injury to per-
sonnel.
1.
Clean all parts and mating surfaces of engine with solvent cleaning compound.
2.
Dry parts with compressed air.
3.
Inspect all parts for wear, pitting, cracks, or corrosion and replace if necessary.
4.
Inspect oil passages to ensure they are clean and unobstructed.
INSTALLATION
1.
Install new cylinder head gasket (46) on engine.
WARN I N G
Use extreme caution when handling heavy parts. Provide adequate support and use assistance during pro-
cedure. Ensure that any lifting equipment used is in good condition and of suitable load capacity. Keep
clear of heavy parts supported only by lifting equipment. Failure to follow this warning may result in injury
or death to personnel.
N OT E
Cylinder head weighs approximately 500 lb (227 kg).
Lubricate all cylinder head bolt threads, underside of bolt heads, and washers on bolts inside valve
cover with antiseize compound prior to assembly.
Apply a thin coat of clean oil to all O-rings before installation.
2.
Attach lifting equipment to cylinder head (11) and position on engine.
3.
Install 34 cylinder head bolts (45).
4.
Tighten cylinder head bolts (45) in sequence as follows:
N OT E
Lubricate the bolt threads, the underside of the bolt heads, and the washers with 6V-4876 Lubricant prior
to assembly.
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