STORAGE
CAUTION: Disconnect heater from natural gas supply.
1.Place plastic cover cap over brass fitting on inlet connector.
2.Store in dry, clean, and safe place. Do not store hose inside heater combustion chamber.
3.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 for- eign objects.
MAINTENANCE
WARNING: Never service heater while it is plugged in, connected to gas supply, operating, or hot. Severe burns and electrical shock can occur.
1.Keep heater clean. Clean heater annually or as needed to re- move dust and debris. If heater is dirty or dusty, clean heater with a damp cloth.
2.Inspect heater before each use. Check connections for leaks. Apply mixture of liquid soap and water to connections. Bubbles forming show a leak. Correct all leaks at once.
3.Have heater inspected yearly by a qualified service agency.
4.Keep inside of heater free from combustible and foreign objects.
STORAGE | 5 |
MAINTENANCE | |
SERVICE PROCEDURES |
|
Upper Shell Removal
Fan
Ignitor
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.
1.Remove upper shell (see column 1).
2.Use 1/8" hex wrench to loosen setscrew which holds fan to motor shaft.
3.Slip fan off motor shaft.
4.Clean fan using soft cloth moistened with kerosene or solvent.
5.Dry fan thoroughly.
6.Replace fan on motor shaft. Make sure setscrew is touching back of flat surface on motor shaft (see Figure 6).
7.Place setscrew on flat of shaft. Tighten setscrew firmly
8.Replace fan guard and upper shell.
Setscrew
Fan
Motor
Shaft
Figure 5 - Fan, Motor Shaft, and Setscrew Location
SERVICE PROCEDURES
WARNING: Never service heater while it is plugged in, connected to gas supply, operating, or hot. Severe burns and electrical shock can occur.
UPPER SHELL REMOVAL
1.Remove screws along each side of heater using 5/16"
2.Lift or slide upper shell off.
3.Remove fan guard.
| Fan |
Hub | Motor |
| |
| Shaft |
| Setscrew |
FAN CROSS SECTION |
Figure 6 - Fan Cross Section
IGNITOR
1.Make sure gap between ignitor electrode and burner nozzle is
.13⁄.15". Access ignitor electrode from inside combustion cham- ber. No other maintenance is needed for ignitor.
Figure 4 - Upper Shell Removal
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