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INSTALL IDLER GEAR BUSHINGS
TRANSFER FUEL INJECTION PUMP TIMING MARK ONTO REPLACEMENT FRONT PLATE

Maintenance Manual For Hydraulic Excavator 230Lcr And 230Lcrd With Rock Drill 2
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TM 5-3805-280-24-2
Camshaft, Balancer Shafts and Timing Gear Train
REMOVE LOWER AND UPPER IDLER
16
43
SHAFTS
1. Remove lower idler shaft and thrust washer by driving
or pressing on shaft from block side of front plate.
2. Remove upper idler shaft and thrust washer by driving
or pressing on shaft from block side of front plate.
Upper Idler Shaft
Lower Idler Shaft
RG,16,DT7482 1914NOV971/1
CLEAN AND INSPECT FRONT PLATE
IMPORTANT: All surfaces must be free of oil and dirt.
1. Clean front plate with hot soapy water.
2. Rinse well with plain water to remove all soap residue
from gasket surface.
3. Inspect front plate for damage.
RG,16,DT7481 1914NOV971/1
13-275


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