4-11. STARTER MOTORS B1 AND B2 REPAIR
Remove. Remove the starter motors B1 and B2 in accordance with the Operator and Organizational
Match-mark the starter housing (43, Figure 4-3) and lever housing (28) to the field frame (64) and the
stator housing (2) to the lever housing (28). Disassemble the starter motor as follows: (2) Tag and remove
the terminal lead (4).
Remove the brush inspection plugs (1) and gasket (2) from field frame (64). Discard the gaskets.
Remove the field coil screws (59) and the field leads from the brush holders. See Figure 44.
Remove the plain hexagon nut (37, Figure 43) and terminal lead (4). Remove ground wire (67). Remove
four machine bolts (3), and slide the electrical solenoids B1 L3 or B2L4 (13) off of the plunger (12) and free
of protector bellows (10).
Remove the lever housing inspection plug (65) and gasket (66) from the lever housing (28). Discard the
Remove the plunger rod nut (5), and remove the plunger (12) with attached parts (7 through 11).
Compress the plunger spring (8), remove the snap ring (6), and remove the recessed washer (7), plunger
spring (8), recessed washer (9), protector bellows (10), and spring retainer washer (11) from the plunger
(12). Discard snap ring (6).
Remove the snap ring (6) and push out the shift lever shaft (17). Remove and discard the preformed
packings (14 and 16).
Remove the drive housing screw (19) and internal housing bolts (20) and separate the stator housing (21)
from lever housing (28). Remove the protective dust cap (22), and remove and discard the oil wick (23)
and gasket (26).
Slide the armature (63) half way out of the field frame (64). Tilt the shaft lever (15) and remove the shaft
lever and drive assembly (25) from the lever housing (28). Remove the brake washer (33).
Remove machine bolts (27), and separate the lever housing (28) from the field frame (64). Remove the
protective dust cap (29) and remove and discard the oil wick (30), preformed packing (35), and oil seal
Remove the machine bolts (27) and starter housing (43). Remove protective dust cap (44) from starter
Withdraw the armature (63) from the field frame (64) completely. Remove and discard the spacer washer
(36) and flat washer (52).
Cleaning, Inspection, Testing, and Repair.
Dry cleaning solvent, PD-680, Type III, or equivalent, Is flammable and moderately toxic to the
skin, eyes, and respiratory tract. Assure adequate ventilation. Skin, eye, and respiratory
protection Is required to avoid Injury to personnel.
Compressed air used for cleaning or drying can create airborne particles that may enter the eyes. Pressure
shall not exceed 30 psi (207 kPa). Wearing of goggles Is required to avoid