Doosan DB33A - Crankshaft Front Nut and Washer; Idle Gear End Play; Backlash; Crankshaft End Play

24
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Crankshaft front nut and washer (11)
Wrench : 41 mm
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Idle gear (14)
Measure the following points before disassembly.
Idle gear end play. (mm)
Standard
0.058¡›0.115
(.002~0.0045 in)
Limit
0.2
(.0078 in)
Standard
0.10¡›0.17
(.0039~.0067 in)
Limit
0.3
(.012 in)
Standard
0.10¡›0.17
(.0039~.0069 in)
Limit
0.3
(.012 in)
Backlash (mm)
Includes the crankshaft gear, camshaft gear and idle
gear.
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Crankshaft bearing cap and bearing (17)
Measure the crankshaft end play before
disassembly.
Crankshaft end play (mm)
Includes the crankshaft gear, camshaft gear and
idle gear.
Loosen the crankshaft bearing cap bolts in
numerical sequence as shown in the figure.
Wrench
Feeler gauge
Dial indicator
Feeler gauge
Crankshaft
Apply engine oil