Toyota 4-Runner 1985 Repair Manual page 302

STARTING SYSTEM - Starter ST-7
ST0019
Z5255
ST0020
ST0021 91417
/~-SST
81419
Brush Spring
MEASURE BRUSH SPRING LOAD WITH A PULL SCALE
If the reading is below standard, replace the brush spring.
Spring installed load: 1.785 - 2.415 kg
(3.9 - 5.3 Ib, 18 - 24 N)
NOTE: Take the pull scale reading at the very instant the
brush spring separates from the brush.
Brush Holder
INSPECT INSULATION OF BRUSH HOLDER
Using an ohmmeter, check for continuity between the
positive and negative brush holders.
If there is continuity, repair or replace the brush holder.
Clutch and Gears
1 . INSPECT GEAR TEETH
2.
Check the gear teeth on the pinion gear, idler gear and
clutch assembly for wear or damage. Replace if damaged.
If damaged, also check the flywheel ring gear for wear or
damage.
INSPECT CLUTCH
Rotate the pinion clockwise and check that it turns freely.
Try to rotate the pinion counterclockwise and check that
it locks.
Bearings
1. INSPECT BEARINGS
Turn each bearing by hand while applying inward force.
If resistance is felt or if the bearing sticks, replace the
bearing.
2. IF NECESSARY, REPLACE BEARINGS
(a) Using SST, remove the bearing from the armature
shaft.
(b) Using SST, remove the other bearing on the opposite
side.
SST 09286-46011