Guide Roller Adjustment; Bow Weight Adjustment; Vise Adjustment; Maintenance - Jet HBS-916W Operating Instructions And Parts Manual

Figure 9

12.8 Guide roller adjustment

1. Disconnect machine from power source.
2. Loosen blade guides (A, Figure 10) by
loosening screws (B). Slide blade guides away
from blade.
Figure 10
3. Loosen locking screws (C) by using a hex
wrench.
4. Adjust the eccentric
combination wrench until the ball bearings are
snug to the blade. Note: Blade should travel
freely up and down between the ball bearings.
Do not pinch the blade.
5. Tighten locking screws (C).
6. Slide blade guides back into contact with blade
and tighten screws (B).
7. Connect machine to the power source.

12.9 Bow weight adjustment

Bow weight is one of the most important
adjustments of the saw. If the bow weight is not set
properly, one can expect poor performance,
crooked cuts, tooth stripping, stalling, and the
blade popping off the blade wheels. The hydraulic
feed rate unit will not compensate for improper bow
weight. Bow weight has been set at the factory and
should not need any adjustment. If adjustment
becomes necessary:
1. Disconnect machine from power source.
bushings with a
11
2. Turn on hydraulic valve (F, Figure 5).
3. Turn cutting pressure control valve (E, Figure
5) counterclockwise until it stops.
4. Place one end of a fish-type scale under the
blade tension handle and lift the saw with the
other end. The
approximately 18-20 lbs. for the HBS-916W.
For the HBS-1018W, it should indicate 22-24
lbs.
5. Adjust tension to approximately 18-20 lbs. (or
22-24 lbs.) by turning the adjustable C-bolt
found at the end of the coil spring on the rear
of the band saw.
6. Connect the machine to the power source.

12.10 Vise adjustment

To position the moveable vise jaw:
1. Turn vise handwheel (A, Figure 11) 1/2 turn
counterclockwise.
2. Move rack block (B, Figure 11) to desired
location by sliding along the bed. Place the
rack block onto the rack.
3. Turn the handwheel to tighten the vise.
Figure 11
To adjust the vise for angle cutting:
1. Loosen bolts and move vise jaw (C, Figure 11)
to desired location.
2. Set the vise to desired angle, re-install nuts
and tighten the nut and bolt assemblies.
3. Adjust the movable vise parallel to the fixed
vise by loosening bolt (D, Figure 11), adjusting
to parallel, and re-tightening bolt.

13.0 Maintenance

Before doing maintenance on
the machine, disconnect it from the electrical
supply by pulling out the plug or switching off
the main switch! Failure to comply may cause
serious injury.
Keep the band saw and the motor clean.
scale should indicate