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Isuzu KB P190. Manual - part 1173
7B1-86 MANUAL TRANSMISSION
14. Select the reverse idler gear snap ring which will
provide the minimum clearance between the
intermediate plate and the snap ring.
226RS022
• There are three snap ring sizes available.
The snap rings are color-coded to indicate their
thickness.
Intermediate Plate and Snap Ring Clearance
Standard: 0 - 0.15 mm (0 - 0.0059 in)
Snap Ring Availability
Thickness Color
Coding
1.2 mm (0.047 in)
White
1.3 mm (0.051 in)
Yellow
1.4 mm (0.055 in)
Blue
226RS021
• Use a pair of snap ring pliers to install the snap
ring to the reverse idler shaft.
The snap ring must be fully inserted into the
reverse idler shaft snap ring groove.
15. Install the thrust washer and lock ball by performing
the following steps:
• Use a thickness gauge to measure the
clearance between the 5th gear and the thrust
washer.
5th Gear and Thrust Washer Clearance
Standard: 0.10 - 0.25 mm (0.004 - 0.010 in)
• Measure clearance "A" as shown in the figure.
226RS023
• Select an appropriate thrust washer from the
chart.
• There are four thrust washer sizes available.
Thrust Washer Availability
Thickness
mm (in)
Color
Coding
A mm (in)
Clearance
mm (in)
7.9 (0.311)
White
8.05 - 8.1
(0.317-0.319)
0.15 - 0.25
(0.006-0.010)
8.0 (0.315)
Yellow
8.1 - 8.2
(0.319-0.323)
0.1 - 0.25
(0.004-0.010)
8.1 (0.319)
Green
8.2 - 8.3
(0.323-0.327)
0.1 - 0.25
(0.004-0.010)
8.2 (0.323)
Blue
8.3 - 8.36
(0.327-0.329)
0.1 - 0.21
(0.004-0.008)
• The thrust washers are color coded to indicate
their thickness as shown in the figure.