Desa RCLP50-F owner manual Maintenance, Service Procedures, Continued, Electrical System, Motor

MAINTENANCE

Continued

2.Inspect heater before each use. Check connec- tions for leaks. Apply mixture of liquid soap and water 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, replace.

4.Have heater inspected yearly by a qualified service agency.

5.Keep inside of heater free from combustible and foreign objects. Remove motor and other internal parts if needed to clean inside of heater (see Service Procedures, page 7).

6.Clean fan blades each season or as needed (see Fan, page 8).

SERVICE PROCEDURES

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 con- tained within the motor. If any part of the electrical system is damaged, you must replace motor.

MOTOR

1.Remove three screws that attach fan guard to heater shell.

2.Remove motor and fan guard from heater shell (see Figure 10).

3.Use hex wrench to loosen set screw which holds fan to motor shaft (see Figure 11). Re- move fan. Be careful not to damage the fan blade pitch.

4.Remove two nuts and two screws that attach fan guard to motor using nut-driver. Remove fan guard from motor (see Figure 12).

5.Disconnect the green power cord wire from motor and remove black and white wire ter- minals.

6.Discard old motor.

7.Attach green power cord wire to motor.

8.Attach fan guard to new motor with two nuts and two screws.

9.Replace black and white terminals.

10.Place fan onto motor shaft of new motor. Make sure set screw contacts flat surface on motor shaft. Tighten set screw firmly (40-50 inch-pounds).

11.Place motor and fan guard into rear of heater shell. Make sure power cord is properly lo- cated (see Figure 13).

12.Insert three screws through heater shell and into fan guard. Tighten screws firmly.

Figure 10 - Removing Motor and Fan

Guard from Heater

Setscrew

Figure 11 - Setscrew Location

Figure 12 - Removing or Attaching Fan

Guard from Motor

Figure 13 - Replacing Motor and Fan Guard into Heater

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