18
Service and Repair Manual
Model 900/950/990
Dismantling
the brushes.
(All models)
1. Remove the two end cap springs (174) and two
outer brush caps (173).
2. Unscrew the two inner brush end caps (127) and
remove the two carbon brushes (128).
174
173
127
128
1. Remove the four screws (104) securing the handle
(118) to the motor case (149) and remove the handle.
2. Depress the rocker assembly (101) and remove the
plunger (121).
3. Using a screwdriver lever out the large and small
handle plugs (102 and 119).
4. Press out the rocker pivot pin (120) and remove the
rocker assembly (101).
5. Unscrew and remove the lock button assembly (103).
6. Remove the motor end plate assembly (105).
Remove, from the end plate assembly, the two
terminal pads (107).
7. Remove the following items:
- spring ring (111)
- thrust washer (110)
- spring washer (108)
- bearing (126)
- bearing insulator (112)
Removing the
rear handle
and motor
end plate (All
models)
102
103
115
120
105
121
122
110
108
106
107
101
117
118
119
123
125
165
159
164
155
158
153
152
160
169
168
167
166
124
162
163
154
1. Slacken the four captive screws (162) securing the
switch cover (163) and remove the cover and the
switch box seal (160).
2. Lift the switch (159), remove the cover and
disconnect the four electrical connections.
Remove the condenser (158).
3. Remove two screws (168) securing the cord guard
housing (167) and remove the housing and cord.
Remove the two screws (152) securing the cord
grip (153) and remove the grip. Pull the power
cord free.
4. Lever off the plunger abutment plate (124) and
remove the two springs (177), two push rods
(123) and the switch plate (125). Remove the
switching pad (165), switch (159), the four
terminal pads (164) and the switch cup (155).
5. Remove elbow connector (174) from motor
housing. Remove grommet (166). Remove liner
(154) from motor housing. Remove grommet
(172).
Dismantling
the switch
(All models)
177
172
Fig. 16
Fig. 17
Fig. 18
116
104
126
112
111
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