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3.
Remove disk pack.
4.
Clean shroud with lint-free gauze (or Kimwipe} that is
slightly dampened with alcohol.
Wipe shroud to re-
move all dirt and smudges. Thoroughly wipe spindle
surface.
5.
After cleaning shroud, use a pad of adhesive-type
tape and pick up any particles that were not picked up
with gauze.
Make certain that all particles are re-
moved from interior of shroud.
When a disk surface is improperly cleaned, the alcohol
may dry leaving a splotchy residue
.
These splotches
are concentrated areas of contaminates cleared from the
disk, and may be more harmful than if the pack was not
cleaned at all.
The packs should be inspected immedi-
ately after being cleaned.
Packs with splotches must be
recleaned immediately.
DISK PACK FILTER REPLACEMENT
Disk packs are fitted with an air filter made of mesh nylon
in a plastic frame (see Figure 24). The filter is located in
the base of the hub and !is secured in place by an "0" ring
(see Figure 25).
In normal use, a filter must be replaced
monthly to maintain a !clean disk pack.
More frequent
replacement may be ne9essary, since it depends upon the
number of operating
ho,
rs and environment.
FILTER REMOVAL
I
r
To
remove a filter from
b
disk pack for inspection or replace-
1
.
ment, the procedure is:
!
I
l.
Remove disk pack !:lottom cover. For location of filter,
see Figure 25.
I
I
2.
With thumb and in1ex finger, squeeze the "O
"
ring,
which secures the
f~
lter
in place, with a sliding motion
so that the ring strltches in one direction. A gap will
be formed between
1
the ring and the hub, permitting
the ring to be
rem j~ed
from the hub.
Caution:
Do not se a sharp instrument to remove the
"0"
rin~,
since sharp objects may puncture
the
filt~
r or generate contamination by
abradi
nd
the hub.
I
3.
Remove filter from
]
h ub.
Figure 24. Disk Pack Filter
Operating Instructions
37
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