TRANSMISSION
M6040, M7040Narrow, WSM
N3-S15
5. SERVICING
[1] 4WD / BI-SPEED TURN CLUTCH PACK
Clutch Disc Wear (Both 4WD Side and Bi-speed Turn Side)
1. Measure the thickness of clutch disc with vernier calipers.
2. If the thickness is less than the allowable limit, replace it.
9Y1210220TRS0019US0
Steel Plate and Pressure Plate Wear (Both 4WD Side and
Bi-speed Turn Side)
1. Measure the thickness of steel plate and pressure plate with
vernier calipers.
2. If the thickness is less than the allowable limit, replace it.
9Y1210220TRS0020US0
Flatness of Piston, Steel Plate and Pressure Plate (Both 4WD
Side and Bi-speed Turn Side)
1. Place the part on a surface plate and check it unable to insert a
feeler gauge (allowable limit size) underneath it (at lease four
points).
2. If the gauge can be inserted, replace it.
9Y1210220TRS0021US0
Thickness of Seal Ring
1. Measure the thickness of seal rings (1) with an outside
micrometer.
2. If the measurement is less than the allowable limit, replace it.
9Y1210220TRS0022US0
Thickness of clutch disc
Factory specification
2.1 to 2.3 mm
0.083 to 0.090 in.
Allowable limit
1.9 mm
0.075 in.
Thickness of steel plate
Factory specification
1.56 to 1.64 mm
0.0614 to 0.0646 in.
Allowable limit
1.3 mm
0.051 in.
Thickness of pressure
plate
Factory specification
3.92 to 4.08 mm
0.155 to 0.160 in.
Allowable limit
3.7 mm
0.15 in.
Flatness of piston Allowable limit
0.15 mm
0.006 in.
Flatness of steel plate Allowable limit
0.40 mm
0.016 in.
Flatness of pressure
plate
Allowable limit
0.30 mm
0.012 in.
Thickness of seal ring
Factory specification
2.39 to 2.44 mm
0.0941 to 0.0960 in.
Allowable limit
2.0 mm
0.079 in.
(1) Seal Ring
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