valutazioni - 3, GPA: 4.7
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Facilità d'uso
10. Leaking around throat packing nut which may indicate worn or damaged packings. 10. Replace packings; see pump manual. Also check piston valve seat for hardened paint or nicks and replace if necessary. Tighten packing nut/wet-cup. 11. Pump rod damage 11. Repair pump. See pump manual 310643 or 310894. 12. Low stall pressure 12. Turn pressure knob fully clockwise. Make sure pressure control knob is properly installed to allow full clockwise position. If problem persists, replace pressure transducer. 13. Piston packings are worn or damaged 13. Replace packings; see pump manual 310643 or 310894. 14. O-ring in pump is worn or damaged 14. Replace o-ring; see pump manual 310643 or 310894. 15. Intake valve ball is packed with material 15. Clean intake valve; see pump manual 310643 or 310894. 16. Pressure setting is too low 16. Increase pressure; see pump manual 310643 or 310894. 17. Large pressure drop in hose with heavy materials 17. Use larger diameter hose and/or reduce overall length of hose. Use of more than 100 ft of 1/4 in. hose significantly reduces performance of sprayer. Use 3/8 in. hose for optimum performance (50 ft minimum). 3A0157A 11 Troubleshooting TYPE OF PROBLEM WHAT TO CHECK If check is OK, go to next check WHAT TO DO When check is not OK, refer to this column Motor runs but pump does not stroke 1. Displacement pump pin (32) damaged or missing; see pump manual 310643 or 310894. 1. Replace pump pin if missing. Be sure retainer spring (31) is fully in groove all around connecting rod; see pump manual 310643 or 310894. 2. Connecting rod assembly (43) damaged; see pump manual 310643 or 310894. 2. Replace connecting rod assembly; see pump manual 310643 or 310894. 3. Gears or drive housing damaged, page 28. 3. Inspect drive housing assembly and gears for damage and replace if necessary; see pump manual 310643 or 310894. Excessive paint leakage into throat packing nut 1. Throat packing nut is loose 1. Remove throat packing nut spacer. Tighten throat packing nut just enough to stop leakage. 2. Throat packings are worn or damaged 2. Replace packings; see pump manual 310643 or 310894. 3. Displacement rod is worn or damaged 3. Replace rod; see pump manual 310643 or 310894. Fluid is spitting from gun 1. Air in pump or hose 1. Check and tighten all fluid connections. Cycle pump as slowly as possible during priming. 2. Tip is partially clogged 2. Clear tip; see tip guard manual 309640. 3. Fluid supply is low or empty 3. Refill fluid supply. Prime pump; see pump manual 310643 or 310894. Check fluid supply often to prevent running pump dry. Pump is difficult to prime 1. Air in pump or hose 1. Check and tighten all fluid connections. Cycle pump as slowly as possible during priming. 2. Intake valve is leaking 2. Clean intake valve. Be sure ball seat is not nicked or worn and that ball seats well. Reassemble valve. 3. Pump packings are worn 3. Replace pump packings; see pump manual 310643 or 310894. 4. Paint is too thick 4. Thin the paint according to supplier recommendations. No display, sprayer operates 1. Display is damaged or has bad connection 1. Check connections. Replace display. 12 3A0157A Troubleshooting Electrical Symptom: Sprayer does not run or stops running. Perform Pressure Relief Procedure; page 8. • Plug sprayer into correct voltage, grounded outlet • Set power switch OFF for 30 seconds and then ON again (this ensures sprayer is in normal run mode). • Turn pressure control knob clockwise 1/2 turn • View digital display To avoid electrical shock or moving parts hazards when covers are removed for troubleshooting, wait 30 seconds after unplugging power cord for stored electricity to dissipate. Keep clear of electrical and moving parts during troubleshooting procedures. If no digital display is available, use control board status light to troubleshoot problems: Turn ON/OFF switch OFF, remove control cover and then turn power back ON. Observe status light. Blinking LED total count equals digital error code i.e., two blinks equals E=02. TYPE OF PROBLEM WHAT TO CHECK HOW TO CHECK Sprayer does not run at all See flow chart, page 19. Digital display is blank Control board status light never lights Sprayer does not run at all Check transducer or transducer connections 1. Make sure there is no pressure in the system (see Pressure Relief Procedure, page 8). Check fluid path for clogs, such as clogged filter. 2. Use airless paint spray hose with no metal braid 1/4 in. x 50 ft minimum. Smaller hose or metal braid hose may result in high-pressure spikes. 3. Set sprayer to OFF and disconnect power to Digital display shows E=02 Control board status light blinks 2 times repeatedly sprayer. 4. Check transducer and connections to control board. 5. Disconnect transducer from control board socket. Check that transducer and control board contacts are clean and secure. 6. Reconnect transducer to control board socket. Connect power, set sprayer ON and control knob 1/2 turn clockwise. If sprayer does not run properly, se...
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