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Desa RC165CT Benutzerhandbuch

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9
111168-01A
SERVICE PROCEDURES
 WARNING: To avoid risk of 
burn and electrical shock, never 
attempt to service heater while it 
is plugged in, operating, or hot.
UPPER SHELL REMOVAL
1.  Remove screws along each side of heater using 
5/16" nut-driver. These screws attach upper 
and lower shells together. See Figure 7 or 8.
2.  Lift upper shell off.
3.  Remove fan guard. 
Screw
Upper Shell
Fan Guard
Figure 7 - Upper Shell Removal 
(40/55T/70T Models Only)
Screw
Upper Shell
Fan Guard
Figure 8 - Upper Shell Removal 
(115T/165T Models Only)
Figure 9 - Fan, Motor Shaft, and 
Setscrew Location
Flush
Fan
Setscrew
Motor Shaft
Motor
Figure 10 - Fan Cross Section
Setscrew 
Motor Shaft
Fan
FAN
IMPORTANT:
  Remove  fan  from  motor  shaft 
before removing motor from heater. The weight 
of the motor resting on the fan could damage the 
fan pitch (see Figure 9).
1.  Remove upper shell (see Figure 7 or 8).
2.  Use  1/8"  allen  wrench  to  loosen  setscrew 
which holds fan to motor shaft.
3.  Slip fan off motor shaft. 
4.  Clean fan using a soft cloth moistened with 
kerosene or solvent.
5.  Dry fan thoroughly.
6.  Replace fan on motor shaft. Place fan hub flush 
with end of motor shaft (see Figure 10).
7.  Place  setscrew  on  flat  of  shaft. Tighten 
setscrew  firmly  (40-50  inch-pounds/4.5-
5.6 n-m).
8.  Replace fan guard and upper shell.