DIESEL ENGINE REPAIR - Continued.
INSTALL - Continued.
Turn crankshaft assembly (136) until two timing
marks on crankshaft gear are at the one oclock
Ensure oil hole in idler gear hub
aligns with hole in engine block
Serious engine damage may result if
oil holes do not align.
Install idler gear (38) with single timing mark
aligned between two timing marks on crankshaft
Install retaining plate (37) and hex head cap
screws (36). Tighten hex head cap screws to 30
ft-lb (40 N.m).
Use a thickness gage to measure idler gear (38)
end float. Idler gear end float must be 0.004 to
0.010 in. (0, 10 to 0, 25 mm).
With correct timing mark on idler gear
aligned with two timing marks on
crankshaft gear, there will also be a
single mark at 9 oclock and a dual
mark at 2 oclock.
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