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Be sure carbon
brush is in brush tube
with brush shunt moving
freely in side groove of tube.
Place brush spring over post with short leg
positioned downward as shown. Be sure spring
is completely down with short leg trapped against
'Y' shaped wall on brush card.
While holding spring in place, bring the long leg of
spring over the brush tube and through rear opening
of tube. Position rounded hook of spring in groove on
back of carbon brush. Be sure to check for free move-
ment between carbon brush, brush shunt and brush spring.
FIG.
NOTES:
15,16,17 See service note and illustration on the back of bulletin to aid with the
removal and installation of the the Brush Card (15), Armature (16) and
Field (17).
17
Field (17) to be positioned with side cut-outs to the front.
20,21
Position Ring Gear (21) with three lugs face down to interlock in the
bottom of Rear Case (20).
20,43
Be sure to match the raised contours on the bottom of Rear Case (20)
with raised contour on bottom of Front Case (43) when assembling.
29,30
Make sure concave side of Washer (29) faces Spring (30).
42,43
Tappered end of Front Washer (42) to face Front Case (43).
FIG.
LUBRICATION
(Type 'J' Grease, No. 49-08-4220):
21,26
Lightly coat I.D. of the Ring Gear (21) and center of the two Planet
Gears (26) with grease.
27
Place a dab of grease in the ball grooves of the Cam Shaft (27).
36,37
Lightly coat front washer surface of Anvil (36) with grease, place a dab
in the Ball holes of Anvil and in Needle Bearing inside the Anvil.
43
Coat inside grooves of Bushing (inside of 43) with grease.
INSTALLING BRUSH SPRINGS ON A BRUSH CARD ASSEMBLY
WITH FOUR (4) BRUSHES
There are two Right Hand Brush Springs and two Left Hand Brush Springs.
If needed, follow the instructions below for proper installation.
Black
Red
Brush Card Assy.
Wrong
Brush Shunt (4 places)
Right Brush Spring (2x)
Carbon Brush (4x)
Left Brush Spring (2x)
Correct
Short leg of spring
to the bottom
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