Isuzu A-4BG1 Workshop Manual page 57

I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I II II I I I I I II II II II II I I I I I I I I I
ENGINE ASSEMBLY I
3-11
Dial indicator '
I
Feet& gauie
I
c
!
i
OK255
Feeler gauge
Crankshaft
v
I
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
I
Timing Gears
0.10-0.17 03
Backlash
(0.004-0.007) (O.il2)
I
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,
I