hestan GVP Série Manuel D'installation, D'utilisation Et D'entretien page 12

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CLEANING AND MAINTENANCE
BLOWER WHEEL REMOVAL
For instances where the blower wheel must be removed, follow the instructions below.
EN
Removing the blower wheel requires a 1/8" hex wrench. This may be obtained from your local
hardware store or tool supply.
The wheel is retained by a set screw on the side of the hub of the wheel that tightens up against a
"flat" spot on the motor shaft.
1. Locate the set screw on the side of the hub of the wheel.
2. Insert wrench through the blades of the blower wheel and into the set screw.
3. Loosen the set screw 1/2 turn counterclockwise.
If the wheel is difficult to remove, the area where the motor shaft makes contact with the blower
wheel hub may need to be sprayed with a common penetrating oil such as WD-40
After allowing the penetrating oil to soak for a few minutes, push the blower wheel forward
slightly, then gently pull the blower wheel off the motor shaft.
Use caution to avoid bending or distorting the blower wheel and take care not to move or lose
the metal balancing clips that may be affixed to the wheel.
A soft bristle toothbrush with warm soapy water may be used to clean the blades, or soak the blower
wheel in warm soapy water.
BLOWER WHEEL INSTALLATION
When reinstalling the wheel onto the motor shaft, make sure the set screw makes direct contact
with the "flat spot" on the motor shaft.
1. Slide the blower wheel onto the motor shaft as far as it will go, making sure the back of the
blower wheel does not touch the motor mount screws protruding from the motor.
If the motor is too far back, it will rub the motor mount screws, and if it is too far forward, it will
rub the inside of the blower housing.
2. Adjust the blower wheel slightly to find the correct front-to-rear location.
3. Tighten the set screw (clockwise) to lock the blower wheel in the correct position.
The hood will not perform properly if blower wheels and motors are mismatched.
MOTOR REPLACEMENT
MOTOR IDENTIFICATION AND POSITIONING
Motors are color-coded; black and white motors have different rotations and must be installed in the
correct positions.
Housings with a single blower use a white blower and wheel.
Housings with two blowers use a white blower on the right and black on the left.
Make sure you have the correct motor in each housing position.
8
©2019 Hestan Commercial Corporation
For hoods that have more than one blower wheel, make sure that white blower
wheels are matched up with white motor rings, and black blower wheels are
matched up with black motor rings.
To reduce the risk of personal injury, turn off power to the hood at
the breaker or the circuit disconnect before attempting to remove the
blower motor.
(CONT.)
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