CAUTION: Disconnect heater
from propane supply tank(s).
1. Store propane tank(s) in safe manner. See
Chapter 5 of Standard for Storage and
Handling of Liquefied Petroleum Gases,
ANSI/NFPA 58. Follow all local codes.
Always store propane tanks outdoors.
2. Place plastic cover caps over brass fittings
on inlet connector and hose/regulator as-
sembly.
WARNINGS
• Never service heater while it
is plugged in, connected to
propane supply, operating or
hot. Severe burns and electri-
cal shock can occur.
• Keep heater clear and free
from combustible materials,
gasoline and other flammable
vapors and liquids.
• Do not block the flow of com-
bustion or ventilation air.
1. Keep heater clean. Clean heater annually
or as needed to remove dust and debris. If
heater is dirty or dusty, clean heater with
WARNING: Never service
heater while it is plugged in,
connected to propane supply,
operating or hot. Severe burns
and electrical shock can occur.
ELECTRICAL SYSTEM
The entire electrical system for this heater is
contained within the top cover. If any part of
the electrical system is damaged, you must
replace with OEM parts (see page 13).
MOTOR
1. Remove screws on top cover using a
Phillips head screw driver.
2. Remove top cover.
8
STORAGE
MAINTENANCE
SERVICE PROCEDURES
www.usaprocom.com
3. Store in dry, clean and safe place. Do
not store hose/regulator assembly inside
heater combustion chamber.
4. When taking heater out of storage, always
check inside of heater. Insects and small
animals may place foreign objects in
heater. Keep inside of heater free from
combustible and foreign objects.
a damp cloth. Use household cleaners on
difficult spots.
2. Inspect heater before each use. Check
connections for leaks. Apply noncorro-
sive leak detection fluid to connections.
Bubbles forming show a leak. Correct all
leaks at once.
3. Inspect hose/regulator assembly before
each use. If hose is highly worn or cut, re-
place with hose specified by manufacturer.
4. Have heater inspected yearly by a quali-
fied service agency.
5. Keep inside of heater free from combustible
and foreign objects.
6. Clean fan blades each season or as
needed.
3. Detach the motor and fan wires from ter-
minal block under top cover (see Figure
6, page 9).
4. Remove fan guard from rear of heater.
Fan guard will snap out of shell.
5. Reach into rear of heater shell. Carefully
pull wires through hole in the bracket.
Note: Pull wires through hole one at a time.
6. Remove screws holding motor mount to
shell. Use 5/16" nut driver or Phillips head
screw driver.
7. Carefully pull motor and fan out of shell.
IMPORTANT: Be careful not to damage
fan. Do not set motor and fan down with
the weight resting on fan. This could dam-
age fan pitch.
160495-02A