Kubota GR1600EC2, Workshop Manual, Page: 160 / 241

2-S31
GR1600EC2, WSM TRANSAXLE
(2) Transaxle Case
Checking Bearing
1. Hold the inner race, and push and pull the outer race in all
directions to check for wear and roughness.
2. Apply transmission fluid to the bearing, and hold the inner race.
Then, turn the outer race to check rotation.
3. If there is any defect replace it.
W1029051
PTO Clutch Disc Wear
1. Measure the thickness of PTO clutch disc with vernier calipers.
2. If the thickness is less than the allowable limit, replace it.
W1029300
Pressure Plate and Friction Plate Wear
1. Measure the thickness of pressure plate and friction plate 1, 2
with vernier calipers.
2. If the thickness is less than the allowable limit, replace it.
W1029467
Clutch Spring Free Length
1. Measure the free length of spring with vernier calipers.
2. If the measurement is less than the allowable limit, replace it.
W1029779
Thickness of PTO clutch
disc
Factory spec.
1.3 to 1.5 mm
0.051 to 0.059 in.
Allowable limit
1.2 mm
0.047 in.
Thickness of pressure
plate
Factory spec.
1.55 to 1.65 mm
0.061 to 0.065 in.
Allowable limit
1.50 mm
0.059 in.
Thickness of friction
plate 1
Factory spec.
1.55 to 1.65 mm
0.061 to 0.065 in.
Allowable limit
1.50 mm
0.059 in.
Thickness of friction
plate 2
Factory spec.
0.75 to 0.85 mm
0.030 to 0.034 in.
Allowable limit
0.70 mm
0.028 in.
Clutch spring free length
Factory spec.
45 mm
1.77 in.
Allowable limit
42 mm
1.65 in.
KiSC issued 07, 2006 A