TRANSMISSION
B2050, B2350, B2650, B3150, WSM
3-S57
Differential Bearing Holder (R.H.)
1. Remove the differential holder mounting bolts (1).
2. Remove the differential holder (2) and shims (3), (4).
(When reassembling)
• 0.5 mm (0.020 in.) shim Parts No. 66611-1514-0
• 0.2 mm (0.008 in.) shim Parts No. 66611-1515-0
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[4] SERVICING
(1) Bi-Speed Turn Clutch
Clutch Disk and Clutch Plate
1. Measure the clutch disk thickness with a vernier calipers.
2. Measure the clutch plate thickness with a vernier calipers.
3. If the thickness is less than the allowable limit, replace it.
4. If the bearing is worn, replace it.
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(2) Mechanical PTO Clutch
PTO Clutch Shaft
1. Check the needle bearings.
2. Check the needle bearing surfaces (2), (3), (4) of the PTO clutch
shaft (1).
3. Check the needle bearing surfaces of the one-way clutch spline
boss (5), the PTO brake spline boss (6) and the 26T mid-PTO
gear (7).
4. If the PTO clutch shaft is rough or grooved, replace it.
5. If the needle bearing is wore, replace it.
6. The one-way clutch spline boss (5), the PTO brake spline boss
(6) or the 26T mid-PTO gear (7) is worn, replace it.
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Tightening torque
Differential bearing holder
mounting bolt for aluminum
(M8)
17.7 to 20.5 N·m
1.8 to 2.1 kgf·m
13.1 to 15.1 lbf·ft
(1) Differential Bearing Holder
Mounting Bolt
(2) Differential Bearing Holder
(3) Shim
(4) Shim
Bi-Speed Turn clutch
disk thickness
Factory specification
1.70 to 1.90 mm
0.067 to 0.075 in.
Allowable limit
1.55 mm
0.061 in.
Bi-Speed Turn clutch
disk plate thickness
Factory specification
1.95 to 2.05 mm
0.0768 to 0.0807 in.
Allowable limit
1.8 mm
0.071 in.
(1) Clutch Disk (2) Clutch Disk Plate
(1) PTO Clutch Shaft
(2) Needle Bearing Surface
(3) Needle Bearing Surface
(4) Needle Bearing Surface
(5) One-way Clutch Spline Boss
(6) PTO Brake Spline Boss
(7) 26T Mid-PTO Gear
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