Fig. 10. Removing retainer from Snap Ring

Fig. 11. Testing Armature for CG-6685 Short Circuits

TM-5-3820-256-24-4 Drilling System Well Rotary Truck Mounted Air Transportable 600 Feet Capacity Model LP-12 NSN 3820-01-246-4276 Manual
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ENGINE DIVISION SERVICE MANUAL ELECTRICAL Fig. 10. Removing retainer from Snap Ring DISASSEMBLY If the starting motor does not perform according to the specifications it will be necessary to disassemble it for further tests of the components. NOTE: Before starting to disassemble the starting motor etch mark the field frame, lever housing and the nose housing so they may be reassembled in the same position. Intermediate Duty Drive Clutch Motor 1 Disconnect field coil connector from solenoid motor terminal and remove solenoid mounting screws. 2 Remove the through bolts. 3 Remove commutator end frame from field frame and frame from lever housing. 4 Remove the nose housing bolts and separate the lever housing and nose housing. 5 Remove the pinion from the armature by sliding a metal cylinder onto the shaft. With a hammer strike the metal cylinder against the retainer, drive the retainer towards the armature core and off the snap ring, Fig. 10. 6 Remove the snap ring from the groove in the armature shaft. If snap ring is too badly distorted during removal, it must be replaced. 7 Remove the armature and clutch assemblies from the lever housing. 8 Separate the solenoid from the lever housing. CGES-230 - Page 11 PRINTED IN UNITED STATES OF AMERICA

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