6
Maintenance
NOTE: Disconnect The Power Before Performing Any Of The
Following
CLEANING INSTRUCTIONS:
Read complete Instructions before proceeding. Under normal
use, cleaning the Dryer once a year will keep it in good operating
condition. If the washroom traffic is heavier than normal, the
cleaning should be done every 6 months. Lint and dust build
up inside the dryer can result in damage to motor and heating
element as well as hot emissions that could injure the user.
1. Remove two cover mounting screws from dryer cover using
security Allen wrench provided. Support cover while removing
screws.
2. Remove three (3) side screws holding blower housing
together. Note position of heating element and protective
screen. The lead wires are directed through the clearance
hole in the blower housing halves. Carefully remove the
heating element however, do not disconnect the wires.
3. Clean blower wheel halves using a 1/2“ diameter radial bristle
brush. Insert brush through space between individual blades
and dislodge dirt. Do not bend or damage blades.
4. Vacuum out dirt from blower and housing, reposition heating
element, protective screen and housing half and replace
three (3) side screws. Tighten gently making sure that mica
heating element pieces are positioned in housing slots with
connecting wires passing through blower housing hole.
5. Use soft-medium bristle 1/2“ paint brush to clean dust and dirt
from motor and switch timer. Do not bend switch blade when
cleaning.
6. Use a stiff brush to clean dirt from inside of nozzle grill and
inlet grill. Water may be necessary to flush dirt from inlet grill.
Dry inside of cover before replacing if water is used.
7. Inspect motor brushes. To inspect brushes insert tooth pick
in hole in end of brush assembly. If tooth pick is inserted
more than one inch, replace brushes. (See replacement
instructions.)
8. Replace cover. Place cover squarely over base and push flush
to wall. Insert 2 cover mounting screws and tighten until snug.
Do not over-tighten.
Wiring Diagram
Wiring Diagram - Model RA5
Wiring Diagram - Model RA54/RA548
REPLACEMENT OF MOTOR BRUSHES
1. Remove locking spring clip securing brush holder.
2. Draw brush cap out of motor slowly until wire connector
appears.
3. Detach wire connector and remove brush and holder
assembly.
NOTE: When unpacking brush assembly from carton it is
important to hold carbon brush in brush holder securely. P/N
206NL
4. Insert new assembly to point where wire quick connect
connection can be made.
5. Push brush quick-connects on motor and brush sleeve
together.
6. Push brush assembly back in place and insert locking spring clip.
REPLACEMENT OF HEATING ELEMENT
1. Remove three screws holding blower housing (#211P and
#112P) together, and remove #112P side of housing.
2. Disconnect the white wires of the heating element at the
terminal block and switch terminal. Replace with the new
heating element of proper voltage and wattage, being careful
to connect it identically to the old one.
3. Hold element in position on stationary side of blower housing
and slip removable side in place, making sure element frames
fit into grooves in blower housing and both wires run through
notch at top of air outlet. Reinstall the protective screen and
replace three screws fastening blower housing together.
4. Reconnect wires to terminal block and switch. Make certain all
wires are properly reconnected and match the wiring diagram.
REPLACEMENT OF SWITCH TIMER MODELS RA
1. Remove screws from each of the two terminals on switch timer,
marking wires for correct reconnection to switch terminals.
2. Replace defective timer with new one. (Specify Dryer Model
when ordering Timer.)
3. Reconnect wires to terminals.
4. Replace cover (be sure cover fits squarely over base unit)
and push in until cover is flush with wall and insert two cover
mounting screws. Do not over-tighten the mounting screws.
5. Turn on power to dryer.