MOTOR CAPACITOR REPLACEMENT
WARNING
1,
Remove the control box cover. Disconnect the motor
2.
Remove the fan cover
(F)
and screws
(G)
from the
3.
Use
a
screwdriver to gently lift the fan tab out of the
leads.
rear
of
the motor. See
Fig
34
-
1.
motor shaft groove and remove the fan
(N).
4.
Remove the inspection cover
(J),
screws
(H),
and
gasket
(K)
from each side of the motor
(1).
See
Fig
34
-
1.
5.
Push down slightly on the spring clip and pull tiieclip
out of the brush holder. See
Fig
34-2.
6.
Gently push the brushes
out
of the brush holder and
inspect. Replace
if
necessary. See page
33.
7.
Make a matchmark between the front end bell and
the motor housing and the rear end bell (M) and the
motor housing
(1)
to use as alignment marks during
reassembly. Also make a mark on the front of the mo
-
tor housing. Refer
to
Fig
34-1.
8.
Use a
11
mm socket wrench
to
remove the nuts from
the rear end beii (M).
9.
Gently tap alternate ears of the rear end bell with a
plastic mallet to loosen it, then pull it straight
off.
Do
that fall out when the bell is removed.
not pull the motor armature out. Retain any washers
10.
To
replace the capacitor, remove the brush lead ter
-
minal screws
(Y)
and the screw
(2)
going into the in
-
sulation plate of the rear end bell (P). Install a new
capacitor.(X). making sure the ceramic case of the
capacitor is not cracked. Maintain a
3
mm clearance
between the capacitor and any grounded metal
time.
patis. Always replace both capacitors at the same
11.
Position the rear end bell (M) over the tie bolts and
push
it
onto the motor housing. Align the
matchmarks carefully and install the lockwashers
and nuts.
12.
Position the fan
(N)
over the motor shaft and push it
into place, making sure the fan tabs engage in the
motor shaft groove.
13.
InStall the fan cover
(F)
and screws
(G)
14.
Reconnect the motor leads in the pressure control
box and reinstall the conduit
(77b) and push conduit
seal
(8)
into conduit elbow, around the motor lead.
and
screws.
See
Fig
35-1.
Reinstall the pressure control cover
Fig
34
-
1
INSULATION
BRUSH LEAD
BRUSH HOLDER
'
ut
It
"
WITH MOTOR LEAD FACING BACK
OF
DETAIL
OF
MOTOR BRUSH SHOWN
MOTOR
Fig
34
-
2
i
34
307470
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