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ADJUSTING THE LOWER WHEEL BRUSH
The lower wheel of both 90-270 and 90-270HD models are equipped with a cleaning brush that prevents pitch and saw-
dust build up on the lower tire.
Any pitch and sawdust that builds up on the upper wheel tire should be removed with a stiff brush or scraped off with
a piece of wood.
NOTE: To avoid damaging the tire do not use a sharp knife or any kind of solvent to remove pitch build up.
Verify that the brush keeps the lower wheel surface clean at all times. With use and normal wear over time, the brush
hairs will soften and will not clean the surface of the wheel as well. You then must lower the brush slightly. Proceed
as follows:
1. Loosen the bolt with a 12 mm open end wrench.
2. Slide the brush slightly down along the mounting hole
, so that a fresh, stiffer part of the hairs touches the
wheel tire.
Tip: Cut the dull ends of the brush if they are too worn out to
properly clean the wheel.
3. Tighten the bolt to lock the brush in position.
REPLACING LOWER WHEEL MOTOR BELT(S*)
*The lower wheel on Model 90-270 is driven by one belt while the lower wheel on Model 90-270HD is driven by two belts
The lower wheel is driven by (a) belt
(s*)
mounted on pulley powered by the motor. The belt(s*) tension s
hould be
verified upon reception of the machine, then every 6 months. Slighlty push on the belt(s*) with your finger. The belt(s*)
must not move more than 1/8" .
If the belt
(s*)
becomes too loose due to wear or if a breakage occurs, you must
replace it (them*) as follows:
1/8” Max.
1.
Loosen (but do not remove) the nut
located at
the back of the motor plate. This will loosen the motor
belt(s*).
2. Loosen the bolt
located in the middle of the lower
wheel, using a 12 mm open end wrench, then remove
the wheel.
3. Install (a) new belt(s*).
4. Reinstall the wheel.
5. Tighten the bolt.
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