-29-
W1737/W1738 Owner's Manual (Mfg. 10/09+)
MAINTENANCE
Figure 41.SandingmotorV-belt
adjustment.
V-Belt Tension
The sanding motor (Figure 41) and table lift motor
(Figure 42)V-beltsmustbetensionedproperlyfor
bestperformance.Noadjustmentisnecessaryforthe
conveyor motor belt, as it uses a variable width pulley.
See Figure 43. Only replace the belt if it becomes
frayed,cracked,orglazed.Ifonebeltis bad,always
replace both belts as a matched set. Both table lift and
sandingmotorbeltsareadjustedthesameway.
To tension the V-belts, do these steps:
1. TURN OFF and LOCK the master power switch so
your sander cannot accidently start!
2. Remove the lower cover(s) on the sander (right
coverforsandingbeltmotor;leftcoverfor the
conveyor height motor).
3. Turnbothtensionadjustmentnutsclockwise
totightentheV-belts,orturnbothnuts
counterclockwisetoloosentheV-belts.
4. TheV-beltisproperlytightenedwhenitwillmove
no more than 3⁄4" in the center with moderate
pressure from your thumb.
Tension
Adjustment
Nut
Figure 42.TableliftmotorV-belt
adjustment.
Tension
Adjustment
Nut
Figure 43.Non-adjustableconveyormotor
belt.
Variable
WidthPulley
KEEP the sanding drum drive belts correctly adjusted.
If the belts are loose, and the emergency stop is
engaged, the sanding drum pulley will slip and not
immediately stop in the event of an emergency!