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.Lubricate the cam surfaces of the rip
lock assembly+
+A light film of oil should be wiped on
the face of the column tube to lubricate
the fit between the column tube and
column support. With elevation hand-
wheel raise ann to upper limit+ Com-
pletely collapse bellows by pulling
down on top flange as illustrated for ac-
cess to column tube. (Figure 142)
Fig+ 140 - Swivel and Bevel Indeg Pins
,Lubricate the bearing points where the
arm attaches to the column tube. With
a #2 Phillips screwdriver remove two
screws and the rear arm cover for ac-
cess to these points. Be careful not to
get lubricant on the locking rings as this
will adversely affect the miter locking
function. (Figure t41)
LOCKING RING
S
S
Fig, 141 - Bearing Points Where Arm Attaches to
Column Tube
Fig 142 - Collapsed Bellows
,The thread on the elevation shaft as-
sembly can be lubricated through the
oil hole in the center of the radial arm
cap. I_.ubricate ramp on the swivel index
spring.
.Apply a few drops of oil to the foot a_-
semblies, where the levers are inserted
through the rods.
Do not use too much oil. Excessive oil at any
location wil! attract airborne dust particles
and sawdust.
Refer to parts lists for locations of parts as
needed+
73
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