GMC C Series 1993, Repair Manual

Page: 258 / 264

37-M T STARTER MOTORS 6D4-13
T i g h t e n
| • Screws to 5.6 N-m (50 in. lbs,).
26. Solenoid (62) to the lever housjng with three sole­
noid mounting screws (61).
T i g h t e n - ,
• Screws to 18 N-m (13 ft. lbs.).
Check the mounting nuts on the large solenoid “M”
and BAT terminals to make sure the. terminals are
secure.
27.
T i g h t e n
• Terminal nuts to 30 N-m (22 ft. lbs).
Connector (58) to the field terminal and solenoid
“M” terminal with two screws (59):
T i g h t e n
• Terminal screws to 3.4 N-m (30 in. lbs.).
Check the mounting nuts on the solenoid “S” ter­
minal and ground terminals (if present) to make
sure the terminals are secure in the cap.
&
T i g h t e n
28.
29.
• Nuts to 3.0 N-m (27 in. lbs.).
If a ground lead (67) is used between the solenoid
terminal and commutator end terminal on the the
starter (type 350 only), check the nut (60) on the
ground lead to solenoid ground terminal. Hold the
mounting nut (next to the cap) to keep it from turn­
ing while tightening the outer terminal nut,
T i g h t e n
• Terminal nut to 3.0 N-m (27 in. lbs.),
thermostat retaining ring (64) to the thermostat
connector (if present), and commutator terminal
mounting nut (64) to the commutator end ground
terminal.
T i g h t e n
• Mounting nut to 30 N-m (22 ft. lbs).
Ground lead from the commutator end terminal to
the solenoid (type 350, if used) outer nut (64). Hold
the mounting nut (next to the end frame) to keep it
from turning while tightening the outer terminal nut.
a
T i g h t e n
• Terminal nut to 30 N-m (22 ft. lbs.).
PINION CLEARANCE CHECK
To check pinion clearance, perform the following
steps.
1. Remove the “M” terminal nut and insulate the
motor winding connector from the “M” terminal
stud.
2. Make connections as shown in figure 20.
3. Momentarily flash a jumper lead from ground to
terminal “M” as shown in figure 20.
4. Push the pinion Or drive back toward the com­
mutator^end to eliminateslack movement.
5. Measure clearance as shown if figure 21. Com­
pare the reading to that given in “Specifica-
... tions” at the end of this section.
6 . Adjust the clearance by removing the plug and
turning the shaft nut. !
F i g u r e 2 0 — C o n n e c t i o n s f o r C h e c k i n g
P i n i o n C l e a r a n c e
1 2 5
A. PRESS ON THE CLUTCH
TO REMOVE THE SLACK.
B. PINION CLEARANCE
41. STOP, PINION
124. GEAR, PINION
125. GAGE, FEELER
V3039
Figure 21— Measuring Pinion Clearance