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6. Transmission 1 and Transmission 2
On models with 9x3 transmission, the PTOcounter
shaft must be turned before installation transmission
1 and transmission 2. The flat face of the PTO
counter shaft must face the counter gear avoiding any
interference.
On models with both (HST and 9x3) transmissions, the
shim is installed between 4WD fixed gear and bearing
before installation transmission 1 and transmission 2
2. Measure the backlash and adjust properly.
Backlash of drive pinion and ring gear (mm)
Assembling standard value
0.08 – 0.13
Repair value
0.3
NOTE:
1. Replace the drive pinion and ring gear as an ass'y.
2. Refer to the paragraph of inspection of tooth contact
for the backlash.
3. Backlash of differential gear and differential pinion.
a. Insert 2 fuses at opposing positions between the
differential gear and differential pinion and turn
the differential gear.
b. Take out the fuses and measure the thickness with a
micrometer.
c. Total thickness of 2 fuses ÷ 2 = backlash (mm)
Replace if the service limit is exceeded.
Backlash of differential gear and differential pinion
(mm)
Assembling standard value
0.1 - 0.3
Service limit
0.5
437-6HY
437-7Y
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