Weichai America Corp.
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(3) Apply oil on surface of crankshaft flange, assemble rear oil seal and tighten bolt. Bolt
tightening sequence is: 1-2-6-7-3-4-5-8-9-10ć
Fig. 2-12 tightening sequence of rear oil seal cover bolt
Key point 2:
Inspection:
Oil seals and seal rings should be checked before assembling, make sure there is no damage.
Check whether rear oil seal cover is clean and whether its finished surface is free of obvious
scratch.
Assembling
Apply sealant on the rear oil seal outer ring first, and then press-in the seal slowly with dedicated
tool. NOTICE: Do not damage the seal during assembling, and seal outer ring should be parallel
and level to oil seal cap plane.
2.7 Assembly and disassembly of flywheel housing
2.7.1 Exploded view of flywheel housing
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