Isuzu A-4BG1T User Manual

Remover and installer
Cam bearing
/
Al
8.
‘r
Ip d I
1) /
ports
\
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ign oil
1 @
I: 18
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0
Q
0
/ Q
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a
1
a
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2. Use a dial indicator to measure the idler gear inside
.
.
diameter.
mm (in)
1 Standard 1 Limit 1
Idler Gear and Idler
0.025-0.085
02
Gear Shaft Clearance
(0.001-0.003)
(O.dO8)
0
c*
Eil
II
CAMSHAFT
1 . Use the camshaft bearing remover and installer to
remove camshaft bearing from the cylinder body.
Camshaft Bearing Remover and Installer: 9-8523.
1818-O
2. Measure the clearance between the cam journal and
the camshaft bearing.
mm (in)
r-- ~~ I
Standard
I
Limit
I
I
Cam Journal and Cam
0.03-0.09
0.15
Bearing Clearance
(0.001-0.004)
(0.006)
3. Align the camshaft bearing oil holes with the mating
oil ports (machined on the cylinder body camshaft
bearing fitting bore).
4. Use a micrometer to measure the cam lobe height.
If the cam lobe height is less than the specified limit,
the camshaft must be replaced.
mm (in)
I
0
I
Standard
Limit
I
1 Cam Lobe Height (C-D) 1 7.71 (0.304) / 7.23 (0.284) 1
Cam Journal
Diameter
56.0 (2.205)
55.6 (2.189)
c

Isuzu A-4BG1T Specifications

General

Brand	Isuzu
Model	A-4BG1T
Category	Engine
Language	English