3-S45
L3130 · L3430 · L3830 · L4630 · L5030, WSM
TRANSMISSION
(C) PTO Clutch
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.
W1021195
PTO Steel Plate Wear
1. Measure the thickness of PTO steel plate with vernier calipers.
2. If the thickness is less than the allowable limit, replace it.
W1021446
Flatness of PTO Piston and PTO Steel Plate
1. Place the part on a surface plate.
2. Check it unable to insert a feeler gauge (allowable limit size)
underneath it at least four points.
3. If the gauge can be inserted, replace it.
W1021557
Piston Return 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.
W1021677
Thickness of PTO clutch
disc
Factory spec.
1.70 to 1.90 mm
0.067 to 0.075 in.
Allowable limit
1.55 mm
0.061 in.
Thickness of PTO steel
plate
Factory spec.
1.15 to 1.25 mm
0.045 to 0.049 in.
Allowable limit
1.10 mm
0.043 in.
Flatness of PTO piston Allowable limit
0.15 mm
0.006 in.
Flatness of PTO steel
plate
Allowable limit
0.30 mm
0.012 in.
PTO return spring free
length
Factory spec.
40.5 mm
1.59 in.
Allowable limit
37.5 mm
1.48 in.
PTO brake spring free
length
Factory spec.
20.3 mm
0.80 in.
Allowable limit
18.0 mm
0.71 in.
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