2-S27
L4400 , WSM
CLUTCH
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.
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.
W1033828
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.
Flatness of PTO piston
Allowable limit
0.15 mm
0.006 in.
Flatness of PTO steel
plate
Allowable limit
0.30 mm
0.012 in.
PTO return spring free
length
Factory spec.
40.5 mm
1.59 in.
Allowable limit
37.5 mm
1.48 in.
PTO brake spring free
length
Factory spec.
20.3 mm
0.38 in.
Allowable limit
18.0 mm
0.71 in.
Thickness of seal ring
Factory spec.
2.45 to 2.50 mm
0.096 to 0.098 in.
Allowable limit
2.0 mm
0.079 in.
(1) Seal Ring
KiSC issued 07, 2007 A
Tractor Manuals Scotland - Please Do Not Copy
Tractor Manuals Scotland
