Ingersoll-Rand 3IRH2N, Руководство по ремонту

Страница: 139 / 159

139
(62) Thrust bushing, oil thrower 2 and thrust bearing 6
Inspect each part for wear, surface defect and
discoloration.
Replace with a new one if defective even within the wear limit.
(a) Thrust bushing
Measure the distance between grooves (K) of the thrust bushing,
and replace with a new one if the wear limit is exceeded.
Wear limit
RHF5 4.07mm
RHB51 4.07mm
RHB31 3.65mm
(b) Oil thrower 2
Measure the seal ring groove widths (G1) and (G2), and replace
with a new one if the wear limit is exceeded.
Wear limits
RHF5--- G1: 1.31mm, G2: 1.11mm
RHB51--- G1: 1.31mm, G2: 1.11mm
RHB31--- G1: 1.04mm, G2: 0.84mm
(c) Thrust bearing 6
Measure the thrust bearing width (J), and replace with a
new one if the wear limit is exceeded.
Wear limit
RHF5 3.98mm
RHB51 3.98mm
RHB31 3.58mm
(63) Floating bearing 5
1) Inspect the floating bearing for abnormal wear,
discoloration or surface defect.
Replace with a new one if defective.
2) Measure the inside diameter (C) and outside diameter(D).
Replace the bearing if either wear limit is exceeded.
Wear limits
RHF5 Outside diameter (D): 12.31mm,
Inside diameter (C): 8.04mm
RHB51 Outside diameter (D): 12.31mm,
Inside diameter (C): 8.04mm
RHB31 Outside diameter (D): 9.93mm,
Inside diameter (C): 6.29mm