Kubota M108S, Workshop Manual

Page: 217 / 523

2-S22
M108S, WSM CLUTCH
Flatness of PTO Piston, Return Plate and Plate Assembly
1. Plate the PTO piston (1), return plate (2) and plate assembly (3)
on a surface plate.
2. Insert a thickness gauge (allowable limit size) underneath it at
least four points.
3. If the gauge can be inserted, replace it.
W1030969
Pressure Spring Tension
1. Place the spring on the spring tester and compress it to 23.1 mm
(0.909 in.).
2. Read the compression load on the gauge.
3. If the measurement is less than the allowable limit, replace it.
W1031235
Flatness of PTO piston Allowable limit
0.15 mm
0.0059 in.
Flatness of PTO return
plate
Allowable limit
0.30 mm
0.012 in.
Flatness of PTO plate
assembly
Allowable limit
0.30 mm
0.012 in.
(1) Piston
(2) Return Plate (3) Plate Assembly
Spring setting load /
Setting length
Factory spec.
245 N / 23.1 mm
25.0 kgf / 23.1 mm
55.1 lbf / 0.909 in.
Allowable limit
226 N / 23.1 mm
23.0 kgf / 23.1 mm
50.7 lbf / 0.909 in.
(1) Return Spring
KiSC issued 06, 2007 A