Operation Manual

BX25, RCK54(P)-23BX, RCK60B-23BX, LA240, BT601, WSM
HYDRAULIC SYSTEM
3TAAAAF8P039A
3TAAAAF8P040A
3TAAAAF8P041 A
3TAAAAF8P042A
[4] SERVICING
(1) Hydraulic Pump
Clearance between Tip of Gear Tooth and Casing
1. Measure the gear 0.0. with an outside micrometer.
2. Measure the casing 1.0. with a cylinder gauge and calculate the
clearance.
3. If the clearance exceeds the allowable limit. replace the
assembly.
IC!earance between tip
Allowable limit
0.15 mm
tooth and caSing
0.0059 in.
Gear
0.0. Factory spec.
33.520 to 33.530 mm
1.3197 to 1.3200 in.
Case
1.0. Factory spec.
33.570 to 33.577 mm
1.3217 to 1.3219 in.
W1015764
Clearance between Bushing and Shaft
1. Measure the gear shaft 0.0. with an outside micrometer.
2. Measure the bushing 1.0. with a cylinder gauge and calculate the
clearance.
3. If the clearance exceeds the allowable limit, replace it.
Factory spec.
0.020
to 0.091 mm
Clearance between
0.0008 to 0.0036 in.
bushing and shaft
Allowable limit
0.12 mm
0.0047 in.
Shaft
0.0. Factory spec.
14.970 to 14.980 mm
0.5894 to 0.5898 in.
Bushing
1.0. Factory spec.
15.000 to 15.061 mm
0.5906 to 0.5930 in.
W1015972
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.
Side plate thickness
Factory spec.
2.48 to 2.50
mm
0.0976 to 0.0984 in.
Allowable limit
2.40mm
0.0945 in.
W1016194
5-S16