ARMY TM 9-2815-260-24
AIR FORCE TO 38G1-126-2
MARINE CORPS TM 09244A/09245A-24
Holes must be drilled at outer edge of seal case so screws will pull seal
against wear ring and allow both pieces to be removed.
Drill a 5/32 in. hole through wear sleeve lip and seal casing at all three marked locations.
Position Seal and Wear Sleeve Remover on end of crankshaft.
Install three 2 ½ in. sheet metal screws (2, Figure 4-56) with washers into slots of removal tool and
thread screws into holes in seal casing. Evenly tighten screws until plate is flush with rear face of
Tighten forcing screw until seal and wear sleeve assembly is removed from engine.
Discard seal and wear sleeve assembly.
Cover all openings to prevent entry of foreign material.
Cleaning solvent is flammable and toxic to eyes, skin, and respiratory tract.
Skin and eye protection are required. Avoid repeated/prolonged contact.
Provide adequate ventilation. Failure to comply could result in serious
injury or death.
Thoroughly clean outer diameter of crankshaft flange and inner diameter of flywheel housing with
Inspect wear ring surface and bore in flywheel housing for nicks or burrs. Remove nicks or burrs
with polishing cloth, as required.
Check flywheel housing seal bore run out as follows:
Attach magnetic base of dial indicator to flywheel end of crankshaft.
Position dial indicator against inner diameter of seal bore in flywheel housing and zero
Turn crankshaft 360 degrees from front of engine while observing dial indicator.
Maximum permissible run out of flywheel housing seal bore is 0.006 in. (0.0152 mm).
Replace flywheel housing if run out exceeds specification.
The rear crankshaft oil seal must be replaced if any liquid is present during visual inspection. Refer to
4.8.2.a for removal and 4.8.2.d for installation.