Dayton Operating Instructions and Parts Manual | 3VG81 |
Dayton® Propane
Construction Heater
Operation (Continued)
TO STOP HEATER
1.Tightly close propane supply valve on propane tank(s).
2.Wait a few seconds. Heater will burn gas left in supply hoses.
3.Turn on/off switch to the OFF position.
4.Unplug heater.
Storage
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.
2.Place plastic cover caps over brass fittings on inlet connector and hose/regulator assembly.
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.
1.Keep heater clean. Clean heater annually or as needed to remove 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.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.
Service Procedures
Never service heater while it is
plugged in, connected to propane supply, operating, or hot. Severe burns and electrical shock can occur.
UPPER SHELL REMOVAL
1.Remove screws along each side of heater. These screws attach upper and lower shells together.
2.Lift or slide upper shell off.
3.Remove fan guard.
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 Upper Shell Removal).
2.Use 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 8).
7.Place setscrew on flat of shaft. Tighten setscrew firmly
8.Replace fan guard and upper shell.
Setscrew
Fan
Motor shaft
Figure 7 - Fan, Motor Shaft, and Setscrew Location
Maintenance
Never service heater while it is
plugged in, connected to propane supply, operating, or hot. Severe burns and electrical shock can occur.
Figure 6 - Upper Shell Removal
Hub Fan
Motor Shaft
Setscrew
Figure 8 - Fan Cross Section
6
