-25-
Model W1740 (For Machines Mfg. Since 1/13)
SE
RV
IC
E
SERVICE
This section covers the most common service adjustments
or procedures that may need to be made during the life
of your machine.
If you require additional machine service not included
in this section, please contact Woodstock International
Technical Support at (360) 734-3482 or send e-mail to:
General
MAKE. SURE. that. your. machine. is.
unplugged. during. all. service. proce-
dures!. If. this. warning. is. ignored,. seri-
ous.personal.injury.may.occur.
A new V-belt can stretch and loosen during the first 16
hours of use. Check and re-tension belt if it is loose.
Proper tension is important for optimum power transfer.
However, too much tension may cause premature bearing
failure. Replace the V-belt if you notice fraying, cracking,
glazing, or any other damage.
V-Belt.Service
Figure.19.
Belt tension check.
Deflection
1
⁄
2
" to
3
⁄
4
"
Figure.20.
Belt tension adjustment.
(
Note:
All panels removed for clarity.
)
1..
DISCONNECT SANDER FROM POWER
!
2..
Remove the right handle and side panel.
3.
Using a straightedge and ruler (
Figure.19
)
,.
push on
the middle of the V-belt.
The V-belt is correctly tensioned when there is
approximately
1
⁄
2
"–
3
⁄
4
" deflection when it is pushed
with moderate pressure.
— If there is more than
1
⁄
2
"–
3
⁄
4
" deflection, loosen the
motor mount bolts (see
Figure.20
)
.
and adjust the
motor bracket, to achieve the correct tension.
4.
Tighten the motor mount bolts, and re-install the
panel.
Tensioning
1. DISCONNECT SANDER FROM POWER!
2..
Remove the right handle and side panel.
3.
Loosen the motor mount bolts, adjust the motor
bracket and roll the V-belt off of the pulleys.
4.
Replace the V-belt, then follow
Steps.3–4
in
Tensioning
.
Replacing
Motor Mount Bolts
