PRIMARY SHAFT COMPONENTS ASSEMBLY


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1.  Assemble in the order indicated in the table.

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1
3rd/4th clutch hub
2
Synchronizer key
3
3rd/4th clutch hub sleeve
4
Synchronizer key spring
5
Primary shaft gear
6
Bearing (primary shaft end)
7
3rd gear
8
Inner cone
9
Double cone
10
3rd synchronizer ring
11
3rd/4th clutch hub component
12
Retaining ring
13
Ball
14
Sleeve
15
4th synchronizer ring
16
Double cone
17
Inner cone
18
4th gear
19
Bearing (4th gear end)


3rd/4th Clutch Hub Assembly Note

1.  Install the synchronizer key springs in the clutch hub with the hooks in the grooves to hold the three synchronizer key in place.

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3rd/4th synchronizer key size
A: 17.0 mm {0.669 in}
B: 4.25 mm {0.167 in}
C: 5.0 mm {0.20 in}

2.  Align the synchronizer ring grooves with the synchronizer key during assembly.


Bearing (Primary Shaft End) Assembly Note

1.  Install the new bearing using the SST.

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3rd Gear, 3rd Synchronizer Ring, and 3rd/4th Clutch Hub Component Assembly Note

1.  Install the 3rd gear, inner cone, double cone, 3rd synchronizer ring, and 3rd/4th clutch hub component using a press.

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4th Synchronizer Ring, 4th Gear, and Bearing (4th Gear End) Assembly Note

1.  Install the 4th synchronizer ring, double cone, inner cone, 4th gear, and a new bearing using the SST.

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2.  Measure the clearance between the 3rd gear and 2nd gear.

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•  If it exceeds the maximum specification, inspect the contact surfaces of the 3rd gear, 2nd gear and 3rd/4th clutch hub. Replace worn and damaged parts.
3rd gear thrust clearance
Standard: 0.05—0.20 mm {0.002—0.007 in}
Maximum: 0.25 mm {0.010 in}

3.  Measure the clearance between the 4th gear and bearing.

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•  If it exceeds the maximum specification, inspect the contact surfaces of the 4th gear, bearing, and 3rd/4th clutch hub. Replace worn and damaged parts.
4th gear thrust clearance
Standard: 0.17—0.37 mm {0.007—0.014 in}
Maximum: 0.42 mm {0.017 in}