Kubota M5040, Workshop Manual

Page: 300 / 559

3-S47
M5040, M6040, M7040, WSM TRANSMISSION
[2] SHUTTLE CLUTCH PACK (HYDRAULIC SHUTTLE MODEL)
Clearance between Internal Circlip and Belleville Washer
(Cupped Spring Washer)
1. Measure the clearance between internal circlip and belleville
washer (cupped spring washer) with a feeler gauge while
applying specified force.
Specified force : 176 to 296 N (18 to 30 kgf, 39.6 to 66.1 lbf)
2. 3-points are measured, and the smallest value is assumed to be
clearance.
3. If the clearance exceeds the allowable limit, measure the
thickness of clutch disc and steel plate with vernier calipers.
4. If the thickness is less than the allowable limit, replace them.
5. Remeasure to confirm the correct clearance.
NOTE
Q
• Clearance between internal circlip and belleville washer
(cupped spring washer) is adjusted by two kinds of clutch
discs with different thickness. Therefore, use the one of the
same thickness when you change clutch disc.
(Reference)
• There are two kinds of thickness of clutch discs.
• Thickness of plate, disc and piston.
W1023707
Clearance between
internal circlip and
belleville washer
(cupped spring washer)
Factory spec.
1.8 to 2.0 mm
0.071 to 0.079 in.
Allowable limit
3.6 mm
0.142 in.
Steel plate Factory spec.
3.1 to 3.3 mm
0.122 to 0.130 in.
Pressure plate Factory spec.
4.42 to 4.58 mm
0.174 to 0.180 in.
Clutch disc
(3C291-23130)
Factory spec.
2.85 to 2.95 mm
0.112 to 0.116 in.
Clutch disc
(3C291-23030)
Factory spec.
3.0 to 3.1 mm
0.118 to 0.122 in.
KiSC issued 06, 2008 A