7-S11
F2880, F3680, RCK72-F36, RCK72R-F36, RCK60-F36, RCK60R-F36, WSM
HYDRAULIC SYSTEM
[3] SERVICING
(1) Hydraulic Pump
Clearance between Tip of Gear Tooth and Casing
1. Measure the gear shaft O.D. with an outside micrometer.
2. Measure the bush I.D. with a cylinder gauge, and calculate the
clearance.
3. If the clearance exceeds the allowable limit, replace the pump
assembly.
W1011837
Clearance between Bush and Gear Shaft
1. Measure the gear shaft O.D. with an outside micrometer.
2. Measure the bush I.D. with a cylinder gauge, and calculate the
clearance.
3. If the clearance exceeds the allowable limit, replace the bush.
W1011967
Side Plate Thickness
1. Measure the side plate thickness with an outside micrometer.
2. If the thickness is less than the allowable limit, replace it.
W1012143
Clearance between tip
of gear tooth and casing
Allowable limit
0.15 mm
0.0059 in.
(a) I.D. (b) O.D.
Clearance between
bushing and gear shaft
Factory spec.
0.025 to 0.111 mm
0.0010 to 0.0044 in.
Allowable limit
0.12 mm
0.0047 in.
Gear shaft O.D. Factory spec.
14.970 to 14.980 mm
0.5894 to 0.5898 in.
Bush I.D. Factory spec.
15.005 to 15.081 mm
0.5908 to 0.5938 in.
(a) I.D. (b) O.D.
Side plate thickness
Factory spec.
2.48 to 2.50 mm
0.0976 to 0.0984 in.
Allowable limit
2.40 mm
0.0945 in.