GMC C Series 1993, Repair Manual

Page: 243 / 264

6P3-12 SP STARTER MOTORS
Retainer Ring
• Align the scribe marks on the end frames and
field frame.
• Slide the field frame oyer this armature. The
brush retaining tool socket will slide out as the
field frame bottoms.
10. Install the brake washer (34), end frame (41), and
the two through bolts.
Tighten
• Through bolts to 8 N-m (70 in. lbs.).
11. Solenoid (3) and the solenoid return spring (5) to
the drive end housing (31).
12. Solenoid retaining screws with washers.
Tighten
• Screws to 8 N-m (70 in. lbs.).
13. Nut and copper washer to the grounding scr;ew in
the frame.
Tighten
• Screw to 45 N-m (33 in. lbs.).
14. Field connector to the solenoid motor terminal.
Tighten
• 6.5 N.m (55 in. lbs.).
ASSEMBLY OF THE SD-260
STARTER MOTOR
DRIVE END
Assemble (Figure 11)
• Wipe the armature shaft (9) clean and lubricate the
area that will be under the drive assembly. Use
Delco-Remy lubricant No. 1960954.
• Wipe the drive assembly (32) clean.
1. Drive assembly onto the armature shaft.
2. Pinion stop collar (39) with the flat side of the collar
toward the drive pinion (figure 20).
3. New retaining ring (37) onto the armature shaft.
• Slide the ring down the shaft until it seats in the
shaft groove.
4. Thrust collar (17) onto the shaft with the small
flange toward the retaining ring.
• Using two sets of pliers, push the pinion stop
collar and thrust collar together to snap the stop
collar onto the retaining ring (figure 21).
[ y ] Inspect
« Drive end bearing. If no lubrication is visible or
the bearing appears damaged, remove it by
pressing it out.
5. New drive end bearing by pressing it in until it is
recessed 1.6 mm (0.06 inch) into the casting. It is
pre-lubricated, so do not add lubricant.
Figure 20—Replacing the Pinion Stop Collar