ESA 125T, Руководство пользователя

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113170-01E 17
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SERVICE PROCEDURES
Continued
Note: Route hoses as shown in Figure 17, page
12 or Figure 20 according to model. Hoses are
not to touch photocell bracket.
6. Replace control cover.
7. Replace upper shell (see Upper Shell Removal ,
page 10).
Pump End
Insert
Rotor
Air Output Filter
Pump Plate
Blade
Air
Intake
Filter
Filter End
Cover
Cover
Air Hose
Barb
Fitting
Figure 23 - Rotor Location
Gap Adjusting Screw
.003"/.004"
(.076-.101 mm)
Gap Measured
Figure 22 - Air Hose to Barb Fitting
PUMP ROTOR
(Procedure if Rotor is Binding)
1. Remove upper shell (see Upper Shell Re-
moval , page 10).
2. Remove fan guard.
3. Remove filter end cover screws using 5/16"
nut driver (see Figure 23).
4.
Remove filter end cover and air filters.
5. Remove pump plate screws using 5/16" nut-
driver.
6. Remove pump plate.
7. Remove rotor, insert and blades (see
Figure 23).
8. Check for debris in pump. If debris is found,
blow out with compressed air.
9. Install insert and rotor.
10. Check gap on rotor. Adjust to .076/.101 mm
(.003"/.004") if needed (see Figure 24).
Note:
Rotate rotor one full turn to ensure the
gap is .076/.101 mm (.003"/.004") at tightest
position. Adjust if needed.
11. Install blades, pump plate, air filters and filter
end cover.
12. Replace fan guard and upper shell (see Upper
Shell Removal , page 10).
13. Adjust pump pressure (see Pump Pressure
Adjustment , page 10).
With Feeler
Gauge
Rotor
Blade
Gap Adjusting Screw
Figure 24 - Gap Adjusting Screw
Locations
Sandpaper
Figure 25 - Sanding Rotor
IGNITION CONTROL ASSEMBLY
WARNING: High voltage!
1. Unplug heater.
2. Remove control cover screws (2) using phil-
lips screwdriver to expose ignition control
assembly (see Figure 11, page 10).
3. Remove fuse from fuse holder.
4. Replace with new fuse (DESA Heating
Prod- ucts part number 113752-01). Do not
substitute a fuse with a higher current
rating. Use an equivalent 6.3 amp time lag, 5
x 20 mm fuse.
5. Replace control cover (see Figure 11,
page 10).
Fuse Holder
Note:
If rotor is still binding, proceed as follows.
14. Perform steps 1 through 6.
15. Place fine grade sandpaper (600 grit) on flat
surface. Sand rotor lightly in “figure 8”
motion four times (see Figure 25).
16. Reinstall insert and rotor.
17. Perform steps 10 through 12.
Fuse
Figure 26- Replacing Fuse