Servicing; Hydraulic Pump - Kubota BX1860 Workshop Manual

BX1860, BX2360, BX2660, RCK48(P)-18BX, RCK54(P)-23BX, RCK60B-23BX, LA203, LA243, WSM

[4] SERVICING

(1) Hydraulic Pump

Clearance between Tip of Gear Tooth and Casing
1. Measure the gear O.D. with an outside micrometer.
2. Measure the casing I.D. with a cylinder gauge and calculate the
clearance.
3. If the clearance exceeds the allowable limit, replace the
assembly.
Clearance between tip
Allowable limit
of gear tooth and casing
Gear O.D. Factory spec.
Case I.D. Factory spec.
Clearance between Bushing and Shaft
1. Measure the gear shaft O.D. with an outside micrometer.
2. Measure the bushing I.D. with a cylinder gauge and calculate the
clearance.
3. If the clearance exceeds the allowable limit, replace it.
Factory spec.
Clearance between
bushing and shaft
Allowable limit
Shaft O.D. Factory spec.
Bushing I.D. Factory spec.
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.
Factory spec.
Side plate thickness
Allowable limit
5-S17
HYDRAULIC SYSTEM
0.15 mm
0.0059 in.
33.520 to 33.530 mm
1.3197 to 1.3200 in.
33.570 to 33.577 mm
1.3217 to 1.3219 in.
W1015764
0.020 to 0.091 mm
0.00079 to 0.0035 in.
0.12 mm
0.0047 in.
14.970 to 14.980 mm
0.58937 to 0.58976 in.
15.000 to 15.061 mm
0.59056 to 0.59295 in.
W1015972
2.48 to 2.50 mm
0.0977 to 0.0984 in.
2.40 mm
0.094 in.
W1016194
KiSC issued 06, 2009 A