STV32 · STV36 · STV40, WSM HYDRAULIC SYSTEM
8-S27
(3) Hydraulic Cylinder
Hydraulic Cylinder Bore
1. Check the cylinder internal surface for scoring or damage.
2. Measure the cylinder I.D. with a cylinder gauge.
3. If the measurement exceeds the allowable limit, replace
Clearance between Hydraulic Arm Shaft and Bushing
1. Measure the hydraulic arm shaft O.D. with an outside
micrometer.
2. Measure the bushing I.D. with a cylinder gauge.
3. If the clearance exceeds the allowable limit, replace.
A If replace the bushings, be sure to use the hydraulic arm
shaft bushing replacing tool. (See page G-45.)
Cylinder bore I.D.
Factory spec.
75.06 to 75.10 mm
2.9551 to 2.9567 in.
Allowable limit
75.20 mm
2.9606 in.
0000007883E
Clearance between
hydraulic arm shaft and
bushing
Right
Factory
spec.
0.120 to 0.210 mm
0.0047 to 0.0083 in.
Left
0.090 to 0.200 mm
0.0035 to 0.0079 in.
Allowable limit
0.30 mm
0.0118 in.
Hydraulic arm shaft
O.D.
Right
Factory
spec.
37.795 to 37.820 mm
1.4880 to 1.4890 in.
Left
34.925 to 34.950 mm
1.3750 to 1.3760 in.
Bushing I.D.
Right
37.940 to 38.005 mm
1.4937 to 1.4963 in.
Left
35.040 to 35.125 mm
1.3795 to 1.3829 in.
0000007884E
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