13
Starter/Generator
ELECTRICAL COMPONENTS: KEY-START WITH
NEUTRAL REV GAS VEHICLE
2.
Install the commutator. Lift the brush springs out of the notches in the brushes and pull the brushes back from the
center of the commutator end cover to avoid interference. The springs will rest on the sides of the brushes and
help prevent them from sliding to the center
3.
Install the commutator end cover (23) onto the armature shaft. Align the locating pin and hole in the cover. Install
two M6 x 180 mm bolts (20) and tighten to 100 in-lb (11.3 N·m)
4.
Push the brushes down into the holders. Place springs into the notches in the brushes. Install the brush cover
(30) that has the drain hole in it next to the A2 terminal. Install the remaining three brush covers (29) onto the
openings in the commutator end cover (23)
DISASSEMBLY OF THE STARTER/GENERATOR TO SERVICE THE
ARMATURE/COMMUTATOR
1.
Remove the two bolts (20), and pull commutator end cover (23) free of the starter/generator housing (24)
See following NOTE.
NOTE:
Brushes must be removed to avoid damaged from commutator removal. Lift the brush springs out of the
notches in the brushes and pull the brushes back from the center of the commutator and cover. The springs
will help prevent them from sliding back towards the center
.
2.
Remove nut (41), lockwasher (40), pulley (39), shaft key (34), spacer (37) and bearing retainer screws (43) and
separate armature (33) from output end cover (36)
1
1. Brush being held by brush spring.
491
Figure 13-6
Pull Brushes Away From Center of the Commutator End Cover
BEARING CLEANING AND INSPECTION
1.
Wipe the carbon dust from the two bearings. Inspect bearings by spinning them by hand and checking for both
axial (A) and radial (B) play
.
2.
Replace the bearing if it is noisy, does not spin smoothly or has excessive play. Replace if rusted, worn, cracked,
or if there is an abnormal color change in the metal of the bearing. Replace if there is extensive wear or pitting on
the balls or rolling surfaces. Do not remove bearings unless they are to be replaced.
Page 13-4
2007-2009 Turf 252, Carryall 252 and XRT 900 Maintenance and Service Manual