wsm Kubota L4100, Workshop Manual

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CLUTCH L4100, WSM
2-S23
(EU)
Pressure Plate Flatness
1. Place a straightedge on the pressure plate and measure
clearance with a feeler gauge at several points.
2. If the clearance exceeds the allowable limit, replace it.
3. When the pressure plate is worn around its outside and its
inside surface only is in contact with the straightedge, replace
even if the clearance is within allowable limit.
9Y1210272CLS0009US0
(2) PTO Clutch
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.
9Y1210278CLS0030US0
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.
9Y1210278CLS0031US0
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.
9Y1210278CLS0032US0
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.
9Y1210278CLS0033US0
Clearance between
pressure plate and
straightedge
Allowable limit
0.2 mm
0.008 in.
Clutch disc wear
Factory specification
1.70 to 1.90 mm
0.0670 to 0.0748 in.
Allowable limit
1.55 mm
0.0610 in.
Clutch steel plate wear
Factory specification
1.15 to 1.25 mm
0.0453 to 0.0492 in.
Allowable limit
1.10 mm
0.0433 in.
Flatness of PTO piston Allowable limit
0.15 mm
0.0059 in.
Flatness of PTO steel
plate
Allowable limit
0.30 mm
0.012 in.
PTO return spring free
length
Factory specification
40.5 mm
1.59 in.
Allowable limit
37.5 mm
1.48 in.
PTO brake spring free
length
Factory specification
20.3 mm
0.799 in.
Allowable limit
18.0 mm
0.709 in.
KiSC issued 08, 2012 A