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SOLENOID SWITCH--REMOVAL
TESTING ARMATURE FOR SHORT CIRCUIT

Maintenance Manual For Hydraulic Excavator 230Lcr And 230Lcrd With Rock Drill 2
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TM 5-3805-280-24-2
Robert Bosch Starting Motor Repair
ARMATURE--REMOVAL
Carefully pull armature with drive end frame assembly
from field frame (do not damage windings).
60
Remove engaging lever and armature jointly out of drive
10
end frame assembly.
8
RG,RG34710,2347
1915Mar971/1
SNAP RING--REMOVAL
Drive back stop ring (A) and bend open snap ring (B).
Remove drive with pinion and center bearing from
armature shaft.
RG,RG34710,2348
1915Mar971/1
CLEANING PARTS
Wash parts in solvent and dry with compressed air.
NOTE: Armature, windings and drive with pinion must not
be placed in cleaning fluid.
Inspect all parts for wear and mechanical damage.
RG,RG34710,2349
1915Mar971/1
TESTING ARMATURE FOR GROUNDS
Set ohmmeter to read on highest scale.
Place one test lead on the armature core or shaft. Place
other lead on commutator.
If the test meter indicator swings toward zero, the
armature is grounded. Replace armature.
RG,RG34710,2350
1915Mar971/1
16-90


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