Repair
46
313221M
Motor Brushes
2.
See instruction sheet 406582, included with Brush
Repair Kit 248186. Remove old brushes and install
new ones supplied in kit.
Fan
1.
Disconnect fan cable (75) from fan (202). With
Motor Power on, test cable connector for line volt-
age (120 V).
2.
If voltage is correct, fan is defective. Remove screws
holding fan to shield (206). Install new fan in reverse
order.
3.
If voltage is not correct, check fan cable connection
at J9 on control board; see F
IG
. 12, page 39.
Replace brushes worn to less than 1/2 in. (13
mm). Brushes wear differently on each side of
motor; check both sides. Brush Repair Kit
248186 is available; kit includes instruction
sheet 406582.
Motor commutator should be smooth. If not,
resurface commutator or replace motor.
1.
See Before Beginning Repair, page 32. Relieve
pressure, page 21.
F
IG
. 22. Fan
202
TI7030a
75
Summary of Contents for 313221M
Page 59: ...Technical Data 313221M 59...