MASTER LOCK B100 User Manual

100743

Nozzle

(30,000 BTU/Hr Model)

1. Remove upper shell (see

page 10).

2. Remove fan (see page 19).
3. Remove fuel and air line

hoses from nozzle assem-
bly.

4. Turn nozzle assembly 1/4

turn to left and pull toward
motor to remove.

5. Place plastic hex-body into

vise and lightly tighten.

6. Carefully remove nozzle

from the nozzle adapter
using 5/8" socket wrench.

7. Blow compressed air

through face of nozzle.
This will free any dirt in
nozzle area.

8. Inspect nozzle seal for

damage.

9. Replace nozzle into nozzle

adapter until nozzle seats.
Tighten 1/3 turn more
using 5/8" socket wrench
(40-45 inch-pounds/4.5-
5.1 n-m).

10. Attach nozzle assembly to

burner strap.

11. Attach fuel and airline

hoses to nozzle assembly.

12. Replace fan (see page 19).
13. Replace fan guard and

upper shell.

Combustion
Chamber

Fuel Line Hose

Air Line Hose

Figure 24 - Removing Air and Fuel Line Hoses, 30,000 BTU/Hr Model

Nozzle
Assembly

Burner
Strap

Figure 25 - Removing Nozzle Assembly, 30,000 BTU/Hr Model

Figure 26 - Nozzle and Nozzle Adapter, 30,000 BTU/Hr Model

Air line
Fitting

Fuel line
Fitting

Nozzle

Nozzle
Face

Nozzle
Seal

Nozzle
Adapter

Nozzle
Assembly