
-36-
Model W1704 (For Machines Mfd. Since 01/20)
SE
RV
IC
E
Changing/Tensioning.Belt
To change/replace belt, do these steps:
1.
DISCONNECT
MACHINE FROM POWER!
2.
Loosen (2) M6-1 x 1 cap screws on motor mounting
plate (see
Figure.36
).
3.
Lift motor assembly all the way up, then re-tighten
both motor mounting plate cap screws—this will hold
motor in place while you change belt position.
4.
Remove outboard spindle cover (see
Figure
37
) by
removing (3) M4-.7 x 8 Phillips head screws.
5.
Roll belt off spindle pulley, then pull belt off motor
pulley and through bottom of lathe.
Tip:
This step may be easier to accomplish by gently
rolling machine onto its back.
6.
Install new belt by performing
Step 5
.
in reverse.
7.
Loosen motor mounting plate cap screws and apply
downward pressure on motor assembly to properly
tension drive belt, then re-tighten cap screws.
Note:.
When properly tensioned, belt should deflect
about
1
⁄
8
" when moderate pressure is applied to
belt mid-way between upper and lower pulley, as
illustrated in
Figure.38
.
8.
Ensure belt is fully seated on pulleys, roll machine
upright if necessary, and re-install outboard spindle
cover.
Pulley
Deflection
Pulley
Figure.38.
Testing for
1
⁄
8
" belt deflection.
Over time, the belt will slightly wear and stretch, eventu-
ally losing its efficiency of transmitting power, and will
require re-tensioning. A new belt typically has a break-in
period and should be checked/re-tensioned after the first
16 hours of belt life, as it will stretch during this time.
Figure.36.
Location of motor mounting
plate.
Mounting
Plate
Cap Screw
(1 of 2)
Figure.37.
Location of outboard spindle
cover.
Outboard
Spindle Cover
Содержание SHOP FOX W1704
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