Desa RV125EDI owner manual Fuel Filter, Spark Plug

Fuel Filter

1.Remove upper shell (see page 10).

2.Remove fan (see page 10).

3.Loosen flare nut using 3/4" open-end wrench. Push fuel tube down, away from burner head. Fuel filter is located inside of fuel tube.

4.Lift out fuel filter.

5.Wash fuel filter with clean fuel and replace in fuel tube.

6.Connect fuel tube to burner head. Attach flare nut until nut seats against fuel tube and fitting. Tighten 1/4 turn more using 3/4" open-end wrench (100-130 inch- pounds/11.3-14.7 n-m).

7.Replace fan (see page 10).

8.Replace fan guard and upper shell.

Spark Plug

1.Remove upper shell (see page 10).

2.Remove fan (see page 10).

3.Remove spark plug wire from spark plug.

4.Remove spark plug from burner head using 13/16" open-end wrench.

5.Clean and regap spark plug electrodes to .055" (1.4mm) gap.

6.Install spark plug in burner head.

7.Attach spark plug wire to spark plug.

8.Replace fan (see page 10).

9.Replace fan guard and upper shell.

12

Fuel Filter	Combustion
	Chamber

Burner

Head

Fuel Tube

Flare Nut

Figure 12 - Fuel Filter Removal

Burner	Spark Plug Wire
Head

Spark

Plug

SPARK PLUG REMOVAL 70, 100 &150 PFA/P 031B

Figure 13 - Spark Plug Removal

Bend Here to Adjust Gap

.055"

(1.4mm) Gap

Figure 14 - Spark Plug Gap