Desa BY70CEH, BY100CEH, BY150CEH, BY35CEH Service Procedures, Upper Shell Removal, Fuel Filter

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SERVICE PROCEDURES

SERVICE PROCEDURES

WARNING: Never service heater while it is plugged in, operating, or hot. Severe burns and electrical shock can occur.

UPPER SHELL REMOVAL

1.Remove screws and lock washers along each side of heater using 5/16" nut-driver. These screws attach upper and lower shells together.

2.Lift upper shell off.

3.Remove fan guard.

Upper

Shell

Upper Shell

Fan

Guard

Fan

Guard

Figure 7 - Upper Shell	Figure 8	- Upper Shell
Removal, BY35CEH and	Removal,	BY100CEH and
BY70CEH Models	BY150CEH Models

FUEL FILTER

(BY35CEH and BY70CEH Models)

1.Remove side cover screws using 5/16" nut-driver.

2.Remove side cover.

3.Pull rubber fuel line off fuel filter neck.

4.Carefully pry bushing and fuel filter out of fuel tank.

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

6.Attach rubber fuel line to fuel filter neck.

7.Replace side cover.

FUEL FILTER

(BY100CEH and BY150CEH Models)

1.Remove side cover screws using 5/16" nut-driver.

2.Remove side cover.

3.Pull upper fuel line off fuel filter neck.

4.Carefully pry bushing, lower fuel line, and fuel filter out of fuel tank.

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

6.Attach upper fuel line to fuel filter neck.

7.Replace side cover.

Fuel Filter

Fuel Line

Side Cover

Figure 9 - Fuel Filter Removal, BY35CEH and BY70CEH Models

Fuel Filter, Bushing,

and Lower Fuel Line

Upper

Fuel Line

Side Cover

Figure 10 - Fuel Filter Removal, BY100CEH and BY150CEH Models

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