Isuzu A-4BG1T - Page 57

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ENGINE ASSEMBLY I 3-11
Dial indicator ’
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Feet& gauie
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c
!
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OK255
Feeler gauge
Crankshaft
v
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7
0
Important Operations
6. Idler Gear
Measure the following points before disassembly.
mm (in)
Standard Limit
Idler Gear End
0.128-0.185 02
Play
(0.005-0.0070)
(O.d08)
Standard
mm (in)
Limit
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Timing Gears
0.10-0.17 03
Backlash (0.004-0.007)
(O.il2)
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Includes the crankshaft gear, the camshaft gear, and
the idler gear.
7 Camshaft
Measure the following points before disassembly.
mm (in)
.
.
.
w
Cam Gear End
Play
Standard
0.050-0.114
(0.002-0.005)
Limit
02
(O.do8,
1
11. Crankshaft Bearing Cap
Measure the crankshaft end play at the thrust bear-
ing (center main bearing) before disassembly.
mm (in)
Standard
Limit
Crankshaft End
0.15-0.33
04
Play (0.006-0.014)
(o.dl6,
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