TM 10-4320-307-24
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OIL PAN AND OIL GAUGE BRACKET REPAIR/REPLACE (CONT).
CLEANING/INSPECTION/REPAIR:
Live steam used for cleaning shall not exceed 100 psi (690 kPa). During steam cleaning operations,
adequate ventilation, natural or forced, should be provided.
Do not direct live steam against skin.
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.
1.
Steam clean oil pan and components and dry with compressed air.
2.
Remove oil gasket material from cylinder block and oil pan surfaces.
3.
Inspect inside and outside of oil pan for cracks around suction tube mounting stud.
4.
Inspect for cracked or broken suction tube mounting clip.
5.
Inspect for damaged threads and uneven gasket
mating surfaces.
6.
Repair damaged oil plug threads by installing an oversize drain plug as follows:
a.
To use drain plug, Part No. 62117 with 1-1/4 inch x 12 thread size, proceed as follows:
(1)
Increase diameter of hole to 1-11/64 inch (29.77 mm).
(2)
Use a 1-1/4 inch x 12 tap to cut threads in hole. Use diesel fuel as a lubricant as you cut threads.
(3)
Install new drain plug and copper washer. Tighten plug to 60 to 70 ft-lbs (81 to 95 Nm) torque.
b.
To use drain plug, Part No. 120349 with 1-3/8 inch x 12 thread size, proceed as follows:
(1) Increase diameter of hole to 1-19/64 inch (32.94 mm).
(2) Use a 1-3/8 inch x 12 tap to cut threads in hole. Use diesel fuel as a lubricant as you cut threads.
(3) Install new drain plug and copper washer. Tighten plug to 60 to 70 ft-lbs (81 to 95Nm) torque.
NOTE
Welding of machined surfaces is not permitted.
7.
Weld any small cracks in oil pan in accordance with TM 750-254.
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