Master Lock B100CEH, B70CEH, B35CEH, B150CEH Owner’S Manual, Service Procedures, Continued, Ignitor

OWNER’S MANUAL

SERVICE

PROCEDURES

Continued

IGNITOR

1.Remove upper shell and fan guard (see page 8).

2.Remove fan (see page 13).

3.Remove 4 side cover screws with a 5/16" nut driver. Remove side cover (see Figure 9 or 10, page 8).

4.Disconnect ignitor wires (black) from ignition control assembly (see Figure 11). Pull the ignitor wires up through the hole in the lower shell.

5.Disconnect fuel line hose and air line hose. Remove photocell from photocell bracket (see Figure 11).

Combustion	Nozzle
Chamber	Adapter
	Bracket
	Ignitor

6.Remove combustion chamber. Stand combustion chamber on end with nozzle adapter bracket on top (see Fig- ure 12).

7.Remove ignitor screw with a 1/4" nut driver. Carefully remove ignitor from nozzle adapter bracket.

CAUTION:Donotbendorstrike ignitor element. Handle with care.

8.Carefully remove replacement ignitor from styrofoam packing.

9.Carefully guide ignitor into opening in nozzle adapter bracket. Do not strike ignitor element. Attach ignitor to nozzle adapter bracket with screw us- ing a 1/4" nut driver (see Figure 12). Torque .90 to 1.69 N-m (8 to 15 in-lbs) Do not over torque.

Ignitor Screw/Washer

Assembly

10.Replace combustion chamber.

11.Route the ignitor wires back down through the hole in the lower shell. Connect wires to the ignition control assembly.

12.Replace side cover (see Figure 9 or 10, page 8).

13.Connect and route fuel line hose and air line hose to burner head. See Fuel and Air Line Replacement and Proper Routing, page 11.

14.Replace photocell in photocell bracket. Route wires as shown in either Figure 17, 18, or 19, page 11.

15.Replace fan (see page 13).

16.Replace fan guard and upper shell (see page 8).

Air	Ignitor
Line	Wires
Hose
Fuel
Line
Hose
Photocell	Ignition
	Control
Bracket
	Assembly
Photocell
Assembly
Side Cover

Figure 11 - Disconnecting Ignitor Wires from Ignition Control Assembly

Ignitor	Ignitor
Element	Nozzle
Photocell
	Adapter
Bracket
	Bracket

Combustion	Nozzle Adapter
	Bracket Opening
Chamber

Figure 12 - Ignitor Replacement

Continued

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