Isuzu KB P190. Manual — part 647
Engine Mechanical – V6
Page 6A1–109
Left-hand Secondary Timing Chain Shoe
1
Inspect the front of the left-hand secondary timing
chain shoe for the following:
•
worn shoe surface (1),
•
cracked or broken shoe surface (2), and
•
cracked or damaged shoe (3).
Figure 6A1 – 135
2
Inspect the back of the shoe for a damaged, worn or
missing timing chain tensioner contact pad (1).
3
Replace a damaged shoe as required.
Figure 6A1 – 136
Left-hand Secondary Timing Chain Tensioner
Figure 6A1 – 137
1
Inspect the left-hand secondary timing chain tensioner for damaged plunger-to-shoe contact surface (1), refer to
Figure 6A1 – 137.
Engine Mechanical – V6
Page 6A1–110
2
Inspect the tensioner for locked or binding tensioner shaft (2). Reset the plunger (3) and ensure the tensioner shaft
moves freely in and out of the body of the tensioner.
N O T E
To reset the tensioner, use a suitably sized flat
blade screwdriver or Tool No. J 45027 (4) to wind
the plunger in a clockwise direction, into the
tensioner shaft.
3
Replace a damaged tensioner as required.
Right-hand Secondary Timing Chain Guide
1
Inspect the right-hand secondary timing chain guide
for the following:
•
worn guide surface (1),
•
cracked or broken guide surface (2), and
•
cracked or damaged guide base (3).
2
Replace a damaged guide as required.
Figure 6A1 – 138
Right-hand Secondary Timing Chain Shoe
1
Inspect the front of the right-hand secondary timing
chain shoe for the following:
•
worn shoe surface (1),
•
cracked or broken shoe surface (2), and
•
cracked or damaged shoe (3).
Figure 6A1 – 139
Engine Mechanical – V6
Page 6A1–111
2
Inspect the back of the shoe for a damaged, worn or
missing timing chain tensioner contact pad (1).
Replace a damaged shoe as required.
Figure 6A1 – 140
Right-hand Secondary Timing Chain Tensioner
Figure 6A1 – 141
1
Inspect the right-hand secondary timing chain tensioner for damaged plunger-to-shoe contact surface (1), refer to
Figure 6A1 – 141.
N O T E
To reset the tensioner, use a suitably sized flat
blade screwdriver or Tool No. J 45027 (4) to wind
the plunger in a clockwise direction, into the
tensioner shaft.
2
Inspect the tensioner for a locked or binding tensioner shaft (2). Reset the plunger (3) and ensure the tensioner
shaft moves freely in and out of the body of the tensioner.
3
Replace a damaged tensioner as required.
Reinstall
Left-hand Secondary Timing Chain Components
Engine Mechanical – V6
Page 6A1–112
1
Install the crankshaft sprocket (1) onto the
crankshaft (2) by aligning the keyway to the key on
the crankshaft.
2
Slide the crankshaft sprocket on the crankshaft until
the crankshaft sprocket contacts the step in the
crankshaft.
Figure 6A1 – 142
N O T E
Ensure that the crankshaft sprocket is installed
with the timing mark (1) visible.
Figure 6A1 – 143
CAUTION
In order to install Tool No. EN 46105 onto the
camshafts, rotate the camshafts in an anti-
clockwise direction. There should be no
need to rotate the camshaft more than 45
degrees.
Figure 6A1 – 144
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