Servicing; Damper Disc; Pto Clutch - wsm M108S Workshop Manual

M108S, WSM

[3] SERVICING

(1) Damper Disc

(2) PTO Clutch

Backlash between Damper Disc Boss and Shaft
1. Mount the damper disc to the input shaft.
2. Hold the shaft so that it does not turn.
3. Rotate disc lightly and measure the displacement around the disc
edge.
4. If the measurement exceeds the allowable limit, replace the
damper disc.
Displacement around
Allowable limit
disc edge
Wear of PTO Clutch Disc, Brake Ring, Return Plate and Driven
Plate
1. Measure the thickness of PTO clutch discs (1), brake ring (2),
return plate (3) and driven plate (4) with vernier calipers.
2. If the thickness is less than the allowable limit, replace it.
Factory spec.
Thickness of clutch disc
Allowable limit
Factory spec.
Thickness of brake ring
Allowable limit
Factory spec.
Thickness of return plate
Allowable limit
Factory spec.
Thickness of driven
plate
Allowable limit
Clearance between
back plate and pressure Reference value
plate
(1) Clutch Disc
(2) Brake Ring
2-S21
CLUTCH
2.0 mm
0.079 in.
W1030042
1.70 to 1.90 mm
0.0670 to 0.0750 in.
1.55 mm
0.0610 in.
4.40 to 4.60 mm
0.174 to 0.181 in.
4.2 mm
0.17 in.
2.92 to 3.05 mm
0.115 to 0.120 in.
2.5 mm
0.098 in.
1.54 to 1.56 mm
0.0607 to 0.0614 in.
1.1 mm
0.043 in.
1.59 to 2.81 mm
0.0626 to 0.110 in.
(3) Return Plate
(4) Driven Plate
W1030468
KiSC issued 05, 2012 A