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TM 5-4320-306-24
4-13.
REPLACE/REPAIR CRANKCASE ASSEMBLY (Continued)
12
Inspect spray nozzle (1) for blockage and excessive wear, stripped threads. Replace if worn, clogged, or cracked,
or if mounting threads are stripped. Replace lockwasher (2) if worn, distorted, or damaged.
WARNING
Death or serious injury could occur if diesel fuel oil is not handled carefully. Use in a well-
ventilated area away from open flame, arcing equipment, ignition sources, heaters, or excessive
heat. Always store fuel in proper, marked containers. DO NOT SMOKE.
Death or serious injury could occur if compressed air is directed against the skin. Do not use
compressed air for cleaning or drying unless the pressure is/has been reduced to 30 psi (2.11
kgcm2) or less. When working with compressed air always use chip guards, eye protection, and
other personal protective equipment.
13
Clean bearing caps (1), bolts (2), washers (3), main bearings (4), stop rings (5), and dowel bushings (6)
thoroughly with diesel fuel oil. Dry with compressed air. Make sure oil passages are clean and free of any
deposits or restrictions.
14
Inspect bolts (2) and washers (3). Replace if stripped, worn, bent, or damaged. Replace clamping bushings (7) if
worn, overheated, cracked, or damaged.
4-109
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