-42-
Model W1852 (For Machines Mfd. Since 11/17)
SE
RV
IC
E
Changing/Tensioning.Belt
To change/replace belt, do these steps:
1.
DISCONNECT
MACHINE FROM POWER!
2.
Open front belt access cover (see
Figure.45
).
3.
Loosen belt tension lock handle (see
Figure.46
).
4.
Use belt tension lever (see
Figure.46
)
.
to lift motor
assembly all the way up, then re-tighten motor
tension lock handle—this will hold motor in place
while you change belt position.
5.
Reach into belt access cavity and roll belt off motor
(lower) pulleys, then pull belt off spindle pulleys and
through side of headstock.
6.
Install new belt by performing
Step 5
.
in reverse.
7.
Apply downward pressure on belt tension lever to
properly tension drive belt, then re-tighten belt
tension lock handle.
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.47
.
8.
Ensure belt ribs are fully seated in pulley grooves,
then secure front belt access cover.
Figure.45.
Belt access cover opened.
Figure.46.
Location of belt tension lever
and belt tension lock handle.
Belt Tension
Lever
Belt Tension
Lock Handle
Pulley
Deflection
Pulley
Figure.47.
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.
Содержание W1852
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