NuTone PM44 Lawn Mower User Manual


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REPLACEMENT PARTS LIST
Part No. Description
R561107 3-Pos. Rotary Light Switch
R567073 Motor, Speed Control
R730079 Blower Assembly
R610038 Filter
R566066 Lampholder
R520098 Motor
R531041 Blower Wheel CW
R531042 Blower Wheel CCW
JUNCTION
BOX
LIGHT SWITCH
MOTOR
CONTROL
BLOWER
ASSEMBLY
BLOWER
COVER
THUMB
SCREW
FILTER
3
BLOWER ORIENTATION
IMPORTANT: Be sure the blower is correctly orientated. Note ar-
row on the side of the blower housing indicating the correct air flow
direction (FIGURE 5).
CLEANING INFORMATION
FILTER
For greatest efficiency, the aluminum filters should be removed and
cleaned periodically.
To clean, the filter should be soaked in hot water and detergent
then thoroughly rinsed. The aluminum filter can be cleaned in a
dishwasher.
EXTERIOR SURFACE
To preserve its lasting beauty, clean with a mild detergent. DO NOT
use abrasive cleaners.
MOTOR SPEED
TROUBLESHOOTING
If you have a motor speed problem, please check the following list
for possible troubles.
1. Knockouts not removed from hood.
2. Blower assembly installed wrong – intended for vertical dis-
charge but installed for horizontal discharge and vice versa
(FIGURE 5).
3. Damper blade not opening.
4. Duct undersized – reduced airflow because duct too small or
too long.
5. Restriction in duct from foreign materials or debris.
6. Undersized or restrictive wall or roof cap.
7. Damper blade in wall or roof cap not opening.
8. Wait for 20 - 30 seconds between speed changes for RPM to
adjust.
By removing or correcting these adverse factors, the motor speed
control will be able to decrease from maximum RPM.
VERTICAL
DISCHARGE
VENT
(TOP OF HOOD)
BLOWER
DISCHARGE –
LOCATE AT
DISCHARGE
VENT IN TOP
OF HOOD
THIS
SURFACE
TO REAR
FIGURE 5 – VERTICAL DISCHARGE
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