Sharp R-450E Instrucciones de operaciones descargar pdf (Pagina 12)

12 Performance Series 450e

Remedy in case of faults

Type of malfunction

 A. Unitdoesnotstart

 B. Unitdoesnotdrawinmaterial

 C. Unitdrawsinmaterial,butthe

pressure does not build up

Possible cause

 1. Novoltageapplied.

2. Pressure setting too low.

 3. ON/OFFswitchdefective.

 1. ReliefvalveissettoSPRAY(p

spray).

 2. Filterprojectsovertheuidlevel

and sucks air.

3. Filter clogged.

4. Suction hose/suction tube is loose,

i.e. the unit is sucking in outside air.

1. Tip heavily worn.

2. Tip too large.

3. Pressure setting too low.

4. Filter clogged.

 5. Coatingmaterialowsthroughthe

return hose when the relief valve is

intheSPRAY(pspray)position.

6. Packings sticky or worn.

 7. Valveballsworn.

 8. Valveseatsworn.

Measures for eliminating the malfunction

1. Check voltage supply.

2. Turn up pressure control knob.

3. Replace.

 1. SetreliefvalvetoPRIME(kcirculation).

 2. Rellthecoatingmaterial.

 3. Cleanorreplacethelter.

4. Clean connecting points. Replace O-rings if

necessary. Secure suction hose with retaining clip.

1. Replace

2. Replace tip.

3. Turn pressure control knob clockwise to increase.

 4. Cleanorreplacethelter.

5. Remove and clean or replace relief valve.

6. Remove and clean or replace packings.

7. Remove and replace valve balls.

8. Remove and replace valve seats.

9. Remedy in case of faults

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Sharp R-450E Instrucciones de operaciones Pagina 12

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