Pump Rotor - Master BH150CE Owner's Manual

12. Replace nozzle into burner
head and tighten firmly
(9.1-12.4 n-m/80-110
inch-pounds).
13. Attach burner head to
combustion chamber.
14. Install spark plug in burner
head.
15. Attach spark plug wire to
spark plug.
16. Attach fuel tube and
airline hose 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 (11.3-14.7 n-
m/100-130 inch-pounds).
17. Replace fan (see page 14).
18. Replace fan guard and
upper shell.

Pump Rotor

(Procedure if rotor is binding)
1. Remove upper shell (see
page 10).
2. Remove filter end cover
screws using 5/16" nut-
driver.
3. Remove filter end cover
and air filters.
4. Remove pump plate
screws using 5/16" nut-
driver.
5. Remove pump plate.
6. Remove rotor, insert, and
blades.
7. Check for debris in pump.
If debris is found, blow
out with compressed air.
8. Install insert and rotor.
9. Check gap on rotor.
Adjust to .076/.101 mm
(.003"/.004") if needed
(see Figure 15).
Note: Rotate rotor one
full turn to insure the gap is
.003"/.004" (.076/.101 mm) at
tightest position. Adjust if
needed.
101487
Nozzle
Face
Nozzle
Burner
Head
Insert
Nozzle
Seal
Figure 13 - Removing Nozzle
Blade
Rotor
Air
Output
Filter
Figure 14 - Rotor Location
Pump
Plate
Air
Intake
Filter
Filter End
Cover
Fan Guard
(Not Shown)
13