L.B. White Tradesman K70, Руководство пользователя

Страница: 13 / 24

114278-01C 13
SERVICE PROCEDURES
Continued
Figure 24 - Air Hose to Barb Fitting
Air Hose
Pump End Cover
Barb
Fitting
165,000 Btu
Models
70,000 Btu
Models
Barb Fitting
FUEL AND AIR LINE REPLACEMENT
AND PROPER ROUTING
1. Remove upper shell (see Upper Shell Re-
moval , page 9).
2. Remove side cover screws using 5/16" nut
driver (see Figure 16 or 17, page 10).
3. Remove side cover.
4. Inspect fuel and air line hoses for cracks and/or
holes. If fuel line hose is damaged, disconnect
from nozzle adapter (see Figure 20 or 21, page
12) and from fuel filter (see Fuel Filter , page
10). If air line hose is damaged, disconnect
from nozzle adapter (see Figure 20 or 21, page
12) and from barb fitting on pump end cover
(see Figure 24).
5. Install new air and/or fuel line. Attach one end
of air line hose to barb fitting on pump end cover
(see Figure 24) and the other end to nozzle
adapter (see Figure 20 or 21, page 12). Attach
one end of fuel line hose to fuel filter (see Fuel
Filter , page 10) and the other end to nozzle
adapter (see Figure 20 or 21, page 12).
Note:
Route hoses as shown in see Figure 20
or 21, page 12, according to model. Hoses are
not to touch photocell bracket.
6. Replace side cover.
7. Replace upper shell and fan guard (see
Upper
Shell Removal , page 9).
PUMP ROTOR
(Procedure if Rotor is Binding)
1. Remove upper shell (see Upper Shell Re-
moval
, page 9).
2. Remove filter end cover screws using 5/16"
nut driver (see Figure 25 or 26).
3. Remove filter end cover and air filters.
4. Remove pump plate screws using 5/16"
nut-driver.
Figure 25 - Rotor Location, 70,000 Btu
Models
Pump
Plate
Insert
Rotor
Blade
Filter
End
Cover
Air Intake
Filter
Air Output Filter
Figure 26 - Rotor Location, 165,000 Btu
Models
Insert
Blade
Rotor
Pump Plate
Air
Intake
Filter
Air Output Filter
Filter End Cover
5. Remove pump plate.
6. Remove rotor, insert, and blades (see Figure
25 or 26).
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 0.076/0.101 mm
(0.003"/0.004") if needed (see Figure 27).
Note:
Rotate rotor one full turn to ensure the
gap is 0.076/0.101 mm (0.003"/0.004") at
tightest position. Adjust if needed.
10. Install blades, pump plate, air filters, and filter
end cover.
Gap Adjusting Screw
Rotor
Blade
0.003"/0.004"
(0.076-0.101
mm) Gap
Measured With
Feeler Gauge
Gap Adjusting Screw
Figure 27 - Gap Adjusting Screw