CUMMINS B3.3 - Page 72

Diesel Engine Complete Engine
70
Install the retainer plate and capscrew.
Tighten the capscrew.
Torque Value: 110 N•m [81 ft-lb]
Measure the end play of the idler gear.
Match mark alignment:
Turbocharged and Naturally Aspirated
A
Crankshaft gear
and idler gear
0.08 mm to 0.19 mm
[0.0031 in to 0.007 in]
B
Camshaft gear
and idler gear
0.08 mm to 0.19 mm
[0.0031 in to 0.007 in] Aspirated
C
Injection pump
gear and idler
gear
0.07 mm to 0.29 mm
[0.003 in to 0.011 in]
a
Camshaft gear
and oil pump gear
0.15 mm to 0.30 mm
[0.006 in to 0.012 in]
Backlash
b
Camshaft gear
and PTO gear
0.03mm to 0.050mm
[0.0012 in 0.0035 in]
Replacement
Limit:
0.40 mm
[0.0157 in]
Clearance Between Bushing and Shaft
0.015 mm to 0.050 mm
[0.0006 in to 0.002 in]
Replacement
Limit:
0.10 mm
[0.0039 in]
End Play of Idler Gear
0.03 mm to 0.09 mm
[0.0012 in to 0.0035 in]
Replacement
Limit:
0.20 mm
[0.0079 in]
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