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Thickness of Seal Ring
1. Measure the thickness of seal rings with an out-
side micrometer.
2. If the measurement is less than the allowable limit,
replace it
Thickness of
Factory
seal ring
spec.
Allowable
limit
Flatness of Piston and Steel Plate
1. Place the part of 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.
Flatness of
Allowable
independent PTO
limit
piston
Flatness of
Allowable
independent PTO
limit
piston
PTO Clutch Pack
D569-W02 May-2003
K&T Saw Shop 606-678-9623 or 606-561-4983
www.mymowerparts.com
2.95 ~ 3.0 mm
0.116 ~ 0.118 in.
2.5 mm
0.098 in.
0.10 mm
0.004 in.
0.20 mm
0.007 in.
TRANSMISSION SYSTEM
(1) Seal Ring
569W480A
569W481A
569W482A
4-49
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Troubleshooting
