Toro Workman MD, Service Manual

Page: 138 / 210

Rev. B Workman MD/MDX Page 6 -- 28 Electrical System
4. Pull drive head end along with attached armature
from the frame housing.
Figure 35
5. Position the motor so the commutator end head is fa-
cing upwards and remove the two (2) screws that secure
the commutator end head. Lift commutator end head
from frame housing.
6. Locate and retrieve wave washer from between
armature and commutator end head.
IMPORTANT: Use clean, dry, lint--free rags when
cleaning the starter/generator. When using com-
pressed air, air should be filtered and should not ex-
ceed 15 PSI (103 kPa).
7. Clean inside of the frame housing with compressed
air.
IMPORTANT: Remove bearings from armature only
if they are to be replaced. Use proper bearing re-
moval and installation tools.
8. Clean bearings using a clean cloth. Inspect bearings
for damage. Replace both bearings if either bearing
meets any of the following conditions:
A. Bearings do not spin smoothly, are noisy when ro-
tated or have excessive end or axial play.
B. The bearing balls or rolling surfaces are pitted or
worn.
C. The bearings are rusted, worn, cracked or show
abnormal color due to overheating.
NOTE: Individual components in the frame housing are
not available separately. Replace housing or complete
starter/generator if damage exists in frame and field as-
sembly.
Figure 36