Chevrolet CHEVY VAN G10 SERIES Service Manual page 315

Armature Removal
1. Follow Steps 1 thru 8 under brush plate removal.
2. Lift armature out o f case and field assembly.
3. If armature is being replaced, remove thrust ball from end
o f defective armature shaft and install it in new armature.
N O TE: Thrust ball may be easily removed with a
magnet.
Case and Field Assembly Removal
1. Remove brush plate and armature.
2. The end case and field assembly is serviced as a unit. To
free the field and case assembly, cut the solid black
plastic insulation and black w ith pink stripe leads in a
location convenient for splicing-preferably near the
wiper terminal board. Refer to Figure 26 for splicing
location.
3. Remove steel thrust plate and rubber disc from case
bearing as required.
Fig. 1 9 —Wiper M o tor Assembly Installation
MOTOR RE-ASSEMBLY
1. If new field and case assembly is being installed, splice
the black and black with pink stripe leads o f the new
field with the corresponding leads o f the wiper terminal
board.
2. Install the rubber thrust disc, steel thrust disc and felt
lubricating washer in the case assembly bearing in order
indicated.
3. Lubricate end o f armature shaft that fits in case bearing
with recommended type grease. (See Lubrication Chart at
end o f this section.) N ext, install thrust ball in end of
shaft.
4. Assemble armature in the case and field assembly. (Refer
to Figure 28.)
5. Position the partially assembled brush plate (Figure 29)
over the armature shaft far enough to allow re-assembly
o f the remaining brush in its brush holder, then position
the brush plate on the mounting tabs in the position
shown in Figure 26.
ELEC TR IC A L - BODY A N D CHASSIS 12-15
C H E V Y V A N SH O P M A N U A L