Ryobi B850 - Manual (Page 8)

Page 8
MAINTENANCE
WARNING: WHEN SERVICING USE ONLY IDENTICAL RYOBI REPLACEMENT PARTS. USE OF ANY OTHER
PARTS MAY CREATE A HAZARD OR CAUSE PRODUCT DAMAGE.
TIMING BELT REPLACEMENT
DISCONNECT SANDER FROM POWER SUPPLY BEFORE
SERVICING.
WHEN REPLACING TIMING BELT USE RECOMMENDED
REPLACEMENT BELT ONLY. See Parts List, Page 11.
1. Remove sanding belt from sander. See installing and
adjusting sanding belt, Page 6. 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 1 and 2 on exploded view and
parts list, pages 10 and 11.
3. Force old belt from small pulley with a screwdriver and
remove it from large pulley. If it is worn out, simply cut the
old belt and remove it.
4. Install new belt over large pulley first. See Figure 10.
5. Holding the belt as shown in Figure 11, press the belt onto
the small pulley. NOTE: TO SIMPLIFY THE PROCESS,
TURN THE LARGE PULLEY AS YOU PRESS THE BELT
ONTO THE SMALL PULLEY.
6. Reassemble belt cover and screws.
CAUTION: NEVER ATTEMPT TO OPERATE YOUR
SANDER WITHOUT BELT COVER IN PLACE. FAILURE
TO DO SO COULD RESULT IN POSSIBLE SERIOUS
INJURY. Fig. 11
Fig. 10
CAUTION: Keep extension cords away from the sanding area and position the cord so that it will not get caught on lumber,
tools, etc., during sanding.
WARNING: CHECK EXTENSION CORDS BEFORE EACH USE. IF DAMAGED REPLACE IMMEDIATELY.
NEVER USE TOOL WITH A DAMAGED CORD SINCE TOUCHING THE DAMAGED AREA COULD CAUSE
ELECTRICAL SHOCK RESULTING IN SERIOUS INJURY.
EXTENSION CORDS
The use of any extension cord will cause some loss of power. To keep the loss to a minium and to prevent tool from overheating,
follow the recommended cord sizes on the table. Every 230 volt flexible extension cord shall be of heavy duty sheathed type
to comply with AS3199, Approval and Test Specification, Cord Extension Sets. When working with your tool outdoors, use an
extension cord suitable for outdoor use and so marked.
Conductor area sq.
mm
1.0
1.5
1.5
2.5
2.5
4.0
Cord extension
set rating
10
10
15
15
20
20
Maximum length of
flexible cord
m
25
32
25
40
32
40
SMALL
PULLEY
BELT COVER
LARGE
PULLEY
BELT
COVER SCREWS
APPLY PRESSURE
HERE AND TURN LARGE PULLEY