Replacing The V-Belt; Belt Tension - Jet VBS-18MW Operating Instructions And Parts Manual

18-inch metal/wood cutting band saw
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Replacing the V-Belt

Disconnect
power source before making any adjustments.
Referring to Figures 29 and 30:
1. Release blade tension as described in the
Blade Tension section.
2. Release belt tension by loosening the handle
(A) and lifting up on the lever (B). Re-tighten
the handle.
3. Open the lower wheel door (D) and remove the
hex nut and washer (E).
4. Remove the wheel (F). If the lower wheel does
not come off easily you may need to use a
pulley puller to remove it.
Note: If you are doing a pulley alignment only, skip
Step 5.
5. Remove the old belt (G) and install the new
belt.
6. Since the wheel is still off, this is the most
convenient time to check the wheel and motor
pulley alignment. Jump to the Pulley Alignment
procedure (following page) at this time. At the
conclusion you will be re-directed back here.
7. Re-install the lower wheel, hex nut and washer
and tighten the hex nut.
8. Lower motor/gearbox (B) and tighten the
handle (A).
Important: Before operating the band saw, refer to
the sections listed below and perform the required
adjustments described in them.
! Installing/Changing Blades (page 14)
! Belt Tension (below)
! Blade Tension (page 15)
! Blade Tracking (page 15)
! Upper Bearing Adjustments (page 16)
! Lower Bearing Adjustments (page 17)

Belt Tension

The drive belt and pulleys are properly adjusted at
the factory. However, belt tension should be
occasionally checked. The belt will need to be re-
tensioned after belt replacement.
Disconnect
power source before making any adjustments.
1. Release belt tension by loosening the handle
(A, Figure 29).
machine
from
2. Set the belt tension by lightly pressing down on
3. Tighten the handle (A).
Note: A new belt may stretch slightly during the
"breaking in" process, and the tension may
occasionally need to be checked and adjusted.
machine
from
19
Figure 29
Figure 30
the lever (B, Figure 29). The weight of the
motor/gearbox should put enough tension on
the belt. You just want to push down lightly to
take up any slack.

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