13
MAINTENANCE (cont.)
PUMP SERVICING (CONT.)
•ROTOR GAPPING
FAN BLADES
•END FILTER COVER & GASKET(LEAKING)
•AIR LINE (LEAKING)
IMPORTANT:
The newly inserted rotor must be gapped
properly before you reinstall the end pump cover.
REPLACE IF SPLIT,CRACKED OR AS NEEDED.
- Replace End filter cover.(See Air output filter,page 12)
- Replace Air ouput filter.(See Air output filter,page 12)
CLEAN EVERY SEASON OR AS NEEDED
- Remove upper shell (See Air Intake Filter Figure 10).
- Use M6 Allen wrench to loosen set screw which holds
fan blade to motor shaft.
- Slip fan blade off motor shaft.
- Clean fan blade using soft cloth moistened with
kerosene or solvent.
- Dry fan blade thoroughly.
- Reinstall fan blade to motor shaft.
- Place fan blade hub flush with end of motor shaft.
- Place set screw on flat of shaft.
- Tighten screw firmly (40-50 inch-pounds/4.5-5.6 N-m
Reinstall upper shell.
- Slightly loosen the pump body screws using a medium
screw driver.
- Position pump body to set rotor gap to .003’’~.004’’ at top
dead center and retighten pump body screws.
- Verify the gap using calipers, a micrometer or a dollar bill.
- Reinstall the end pump cover.
- Reinstall air output filter and lint filter.
- Reinstall end filter cover and air pressure gauge.
- Reinstall fan guard and upper shell.
REPLACE IF SPLIT,CRACKED OR AS NEEDED.
- Remove air line from air line fitting (See Figure 14) and from
nozzle adaptor.(See Nozzle, page 14)
- Reinstall Air line to air line fitting and nozzle adaptor.
Figure 13 - Rotor Gapping
Figure 15 - Fan Assembly
Figure 14 - Check Air leaks around Pump.
Rotor Gap
Rotor
Air Line Fitting
Air Line
Air Line
Gasket
Air Output Filter
End Filter Cover
Pump Body Screw
Flush
Set Screw
Motor Shaft
Fan Blade
Motor
Pump Body