3.4
Blade guide adjusting screws.
A
B
IDLER WHEEL ADJUSTMENT
Adjustments should be made with the blade tension released slightly. Remove the cover on the back side of the head.
There are four hex bolts “A” and four set screws “B & C”. Bolts “A” are loosened and then set screws “B & C” are adjusted
by turning one out, the other in 1/4 turn and tightening the first again. Adjust by 1/4 turn at a time and check the blade
movement with each adjustment by running the blade at minimum speed.
Loosening “B” and tightening “C” will pull the blade onto the wheel.
Loosening “C” and tightening “B” will push the blade off the wheel.
BLADE GUIDES
Both guide arms are provided with blade guide assemblies consisting of carbide pads that
are integral to the correct guidance of the saw blade. These guide assemblies will require
an adjustment periodically; refer to Troubleshooting in this section for indications that adjust
-
ment is needed. To adjust the pads properly, follow this simple procedure. With the lever in
the locked position, loosen the small set screw (A) in the edge of the lever. Turn the adjust-
ing set screw (B) clockwise until tight and then loosen it 1/8th of a turn. With the lever still in
the locked position, tighten the small set screw in the side of the lever. This should put just
enough pressure on the blade to permit you to push the blade out approximately 1/8”.
In the event that the pads must be replaced, refer to the exploded parts drawing in Section
6.
Idler wheel tracking bolts “A” and set screws
“B & C” with the cover removed.
A
B & C
A
C
B
A
BLADE BRUSH ADJUSTMENT
The blade brush is properly set when the machine leaves the factory but it will wear
during operation and needs to be adjusted periodically. The blade brush assembly is
shown below. In order to adjust it, the nut on the adjusting screw needs to be loosened
and the screw turned counter clockwise to move the brush closer to the blade until
the wires on the brush touch the bottom of the blade gullets. If a new brush is being
installed, then the adjusting screw must be turned clockwise in order to move the new
brush away from the blade so that the wires are touching the bottom of the gullets.
If the brush gets worn to approximately 70% of its original 3” diameter it should be
replaced. A brush may be purchased from your HYD-MECH dealer.
Blade brush & adjusting screw
(circled).
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