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MAINTENANCE
TIMING BELT REPLACEMENT
DISCONNECT
SANDER FROM POWER SUPPLY
BEFORE SERVICING
WARNING:
WHEN
REPLACING
TIMING
BELT, USE
REPLACEMENT
BELT NUMBER
990077.001
ONLY.
See Key Number 5 on Parts List, Page 11. FAILURE
TO DO SO WILL INTERFERE
WITH THE INSULA.
TION SYSTEM AND THE PERFORMANCE
OF THE
TOOL, CAUSING THE BELT TO SLIP AND WEAR EX-
CESSIVELY.
1. Remove sanding
belt
from sander. See install-
ing and adjusting
sanding belt, Page 5.
NOTE:
REMOVING
THE
SANDING
BELT
WILL
SIMPLIFY THE PROCESS OF INSTALLING
YOUR
NEW TIMING
BELT.
2. Remove the two belt cover screws.
Then remove
the belt cover. See Key Numbers
7 and 8 on ex-
ploded view and/or
parts list, pages 10 and 11.
3. Force old belt from small pulley
with a screw-
driver and remove it from large pulley. If it is com-
pletely
worn out, simply
cut the old belt in two
and remove it.
4. Install
new belt
over large
pulley
first,
making
sure teeth on belt mesh with teeth on pulley. See
Figure 11.
\
-APPLY PRESSURE
HERE,WHILE TURNING
COUNTERCLOCKWISE
Fig.
11
5. Holding
the
belt as shown
in Figure
11, press
the belt onto
the small
pulley.
NOTE: TO SIMP-
LIFY THE PROCESS, TURN THE LARGE PULLEY
IN A COUNTERCLOCKWISE
DIRECTION
AS YOU
PRESS THE BELT ONTO THE SMALL PULLEY.
6. Re-assemble
beq cover and screws.
WARNING:
THE BELT COVER IS PART OF THE DOUBLE IN-
SULATION
SYSTEM AND MUST BE REPLACED
PRIOR
TO USE. FAILURE
TO DO SO COULD
RESULT IN ELECTRICAL SHOCK CAUSING
POS-
SIBLE SERIOUS INJURY.
GENERAL
Only the parts shown on parts list, page eleven, are
intended
to be repaired or replaced
by the customer.
All other
parts
represent
an important
part of the
double insulation
system
and should be serviced
on-
ly by a qualified
service
technician.
Avoid using solvents
when
cleaning
plastic
parts.
Most plastics
are susceptible
to various types of
commercial
solvents and may be damaged
by their
use. Use clean cloths to remove dirt, carbon dust,
etc.
When electric
tools
are used on fiberglass
boats,
sports cars, etc., it has been found that they are sub-
ject
to accelerated
wear
and possible
premature
failure,
as the fiberglass
chips
and grindings
are
highly
abrasive
to bearings,
brushes,
commutator,
etc. Consequently
it is not recommended
that this
tool
be used for extended
work on any fiberglass
material.
During any use on fiberglass
it is extremely
important
that the tool is cleaned frequently
by blow-
ing
with
an
air
jet.
ALWAYS
WEAR
SAFETY
GLASSES OR EYE SHIELDS
BEFORE
BEGINNING
THIS OPERATION.
EXTENSION
CORDS
The use of any extension cord will cause some loss
of power. To keep the loss to a minimum and to pre-
vent tool overheating,
follow the recommended
cord
sizes on the chart at right. When tool is used out-
doors, use only extension cords suitable for outdoor
use and so marked.
Extension cords are available at
Sears Catalog Order or Retail Stores.
Extension Cord Length
25-50 Ft.
_
50-100 Ft.
Wire Size A.W.G.
16
14
WARNING:
CHECK
EXTENSION
CORDS
BEFORE
EACH USE. IF DAMAGED, REPLACE IMMEDIATELY.
NEVER USE TOOL WITH DAMAGED
CORD SINCE
TOUCHING
THE DAMAGED
AREA COULD CAUSE
ELECTRICAL
SHOCK
RESULTING
IN SERIOUS
IN-
JURY.
THE FOLLOWING
RECOMMENDED
ACCESSORIES
ARE CURRENT
AND
CORD LOCK
Cat. No. _12595
CARRYING
CASE
Cat. No. _ 1473
I:R
CAUTION: The use
WERE AVAILABLE
AT THE TIME THIS MANUAL WAS PRINTED.
CLOTH BACKED SANDING
BELTS
Cat. No. _) 22304-X.Fine
Cat. No. _)22301-Fine
Cat. No. _1 22302-Medium
Cat. No. _)22303-Coarse
Cat. No. _) 22305-X-Coarse
POLYESTER
BACKEp
SANDING
BELTS
at. No. _ 23201-X.F,ne
Cat. No. _ 23202-Fine
Cat. No. _ 23203-Medium
Cat. No. _ 23204-Coarse
of attachments
or accessories
not listed above might be hazardous.
Page 7
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