Sect.IV Page 4
Model 405C
STEPPING SWITCH LUBRICATION DIAGRAM
PAWL SPRING
fi ROTOR SHAFT -
INTERRUPTER
/9\ WIPERS 2
0 USE BLENDED LUBRICATION OIL SPEC.5684 6. Brush rest of this dip on interrupter-spring
buffer where it strikes armature 0.
1. Apply one dip of oil on rotorshaft at oint @
and another at point 0. (Point 6 is not
visible on the figure but is between the ratchet
OUSE SWITCH LUBRICANT SPEC.5232-C
and the frame.)
Wipe one dip over and between ratchet tooth on
2. Press on pawl pin to push pawl away from
one half of ratchet, @, and wipe second dip on
armature, and wipe parts of a dip between pawl
other half of ratchet.
@ and armature.
3. Press sideways on pawl to push head of pawl
pin away from armature, and wipe brush be- AUSE WATCH OIL SPEC.5228
tween head of pawl pin and armature. Spread
rest of this dip through coils of pawl spring @ 1. Using one dip per wiper pair, apply oil near
and driving spring @ and into holes in armature the center of each wiper,h at a point where
and pawl where pawl spring is engaged. it will contacr tip of brush spring. The brush
spring is part of first switch contact and makes
4. Push armature sideways, away from mounting permanent contact with wiper. Rotate wiper
frame, and wipe a dip between armature @and to distribute oil.
yoke 8. and around armature pin where it
passes through yoke near mounting frame. 2. Using one dip for each group of iper tips,
apply oil between the wiper tips A. Oil the
5. Push armature sideways toward mounting frame switch contacts by rotating the wipers. Oil
and wipe lubricant between armature and yoke all wiper tips.
on mounting-frame side of yoke, and around
armature pin where it passes through yoke Following lubrication, wipe lubricant from all parts
away from mounting frame. and surfaces you did not intend to lubricate.
Figure 4-1. Stepping Switch Lubrication Diagram
00518-1 |