Desa KEROSENE HIGH PRESSURE PORTABLE FORCED AIR HEATERS owner manual Service Procedures, Continued

Models: KEROSENE HIGH PRESSURE PORTABLE FORCED AIR HEATERS

1 24
Download 24 pages 60.7 Kb
Page 12
Image 12
PUMP (Procedure if Pump is Binding)

SERVICE PROCEDURES

Continued

PUMP (Procedure if Pump is Binding)

1.Remove upper shell (see Upper Shell Re- moval, page 10).

2.Loosen hex screw on flange clamp at rear of motor with 5/16" nut-driver (see Figure 13).

3.Turn fan with hand (see Figure 14).

4.If fan turns freely, tighten screw on flange clamp.

5.If fan does not turn freely, replace pump.

6.Replace upper shell.

Hex Screw

On Flange

Clamp

Figure 13 - Location of Screw on Flange Clamp

FUEL LINES

(Procedure for Tightening Fuel Lines)

1.Remove upper shell (see Upper Shell Re- moval, page 10).

2.Use an adjustable wrench as a backup on fittings.

3.Use 7/16" wrench and tighten fuel lines at solenoid valve, pump and fuel filter canister (if equipped) (see Figures 15 and 16).

Burner Head

Fuel

Line

Solenoid Valve

Figure 15 - Fuel Line at Solenoid Valve

Fuel

Figure 13 - Location of Screw on Flange Clamp Pump

FUEL LINES Fuel Lines

Figure 16 - Fuel Lines at Pump
Figure 14 - Turning Fan with Hand

12

www.desatech.com

110098-01F

Page 12
Image 12
Desa KEROSENE HIGH PRESSURE PORTABLE FORCED AIR HEATERS Service Procedures, Continued, PUMP Procedure if Pump is Binding

FAQ

What should I do if the pump is binding?

If the pump is binding, you can follow the procedure outlined in the manual, which involves removing the upper shell, loosening the hex screw on the flange clamp, and turning the fan with your hand to diagnose and fix the issue.

How do I tighten fuel lines on the heater?

To tighten fuel lines, you will need to remove the upper shell and use an adjustable wrench as a backup on fittings. Then, use a 7/16" wrench to tighten the fuel lines at the solenoid valve, pump, and fuel filter canister if equipped.

Where can I find more service procedures for the Desa KEROSENE HIGH PRESSURE PORTABLE FORCED AIR HEATERS?

You can find more service procedures and detailed instructions in the official manual available on the Desa website.