Master Lock B150CEH, B70CEH Service Procedures, Portable Forced Air Heaters, Upper Shell Removal

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PORTABLE FORCED AIR HEATERS

SERVICE

PROCEDURES

WARNING: Never service heater while it is plugged in, op- erating, 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.

FUEL FILTER

(B35CEH and B70CEH 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 re- place in tank.

6.Attach rubber fuel line to fuel filter neck.

7.Replace side cover.

Upper Shell	Upper
	Shell
	Fan
	Guard

Fan

Guard

Figure 7 - Upper Shell Removal, B35CEH	Figure 8 - Upper Shell Removal, B100CEH
and B70CEH Models	and B150CEH Models
Fuel Filter

Side Cover

Fuel Line

Figure 9 - Fuel Filter Removal, B35CEH and B70CEH Models

FUEL FILTER

(B100CEH and B150CEH 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 re- place in tank.

6.Attach upper fuel line to fuel filter neck.

7.Replace side cover.

Fuel Filter, Bushing, and Lower Fuel Line

Upper Fuel Line

Side Cover

Figure 10 - Fuel Filter Removal, B100CEH and B150CEH Models

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