Évaluations - 3, GPA: 3.7
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Facilité d'utilisation
. . Troubleshooting WARNING INJECTION HAZARD To reduce risk of serious injury, including fluid injection or splashing in eyes or on skin, or injury from moving parts, always follow Pressure Relief Procedure Warning, page 4, before checking, adjusting, cleaning or shutting down sprayer. PROBLEM CAUSE SOLUTION Engine won’t start Engine switch is OFF Turn engine switch ON Engine is out of gas Refill gas tank. Honda Engines Owner’s Manual. Engine oil level is low Try to start engine. Replenish oil, if necessary. Honda Engines Owner’s Manual. Spark plug cable is disconnected or damaged Connect spark plug cable or replace spark plug Cold engine Use choke Fuel shutoff lever is OFF Move lever to ON position Oil is seeping into combustion chamber Remove spark plug. Pull starter rope 3 or 4 times. Clean or replace spark plug. Try to start engine. Keep sprayer upright to avoid oil seepage. Engine operates, but displacement pump does not operate Pressure control switch is OFF Turn pressure control switch ON. Pressure setting is too low Turn pressure adjusting knob clockwise to increase pressure. Fluid filter (318) is dirty Clean filter. Page 22. Tip or tip filter is clogged Clean tip or tip filter. Manual 309091. Displacement pump piston rod is stuck due to dried paint Repair pump. Manual 308798. Roller bearings are worn or damaged Replace connecting rod. Page 7. Drive housing is worn or damaged Replace drive housing. Page 7. Electrical power is not energizing clutch field Check wiring connections. Page 11. Reference control board diagnostics. Page 14. With pressure control switch ON and pressure turned to MAXIMUM, use a test light to check for power between clutch terminals on control board. Remove black clutch wires from control board and measure resistance across wires. At 70. F, the resistance must be between 1.7 ±0.2.; if not, replace clutch coil 241121. Have pressure control checked by authorized Graco dealer. Clutch is worn or damaged Replace clutch. Page 9. Pinion assembly is worn or damaged Repair or replace pinion assembly. Page 9. . . PROBLEM CAUSE SOLUTION Pump output is low Strainer (31) is clogged Clean strainer Piston ball (25) is not seating Service piston ball. Manual 308798. Piston packings are worn or damaged Replace packings. Manual 308798. O-ring (227) in displacement pump is worn or damaged Replace o-ring. Manual 308798. Intake valve ball is not seating properly Clean intake valve. manual 308798. Engine speed is too low Increase throttle setting. Manual 308867. Clutch is worn or damaged Replace clutch. Page 9. Pressure setting is too low Increase pressure. Manual 308867. Fluid filter (318), tip filter or tip is clogged or dirty Clean filter. Manual 308867 or 309091. Large pressure drop in hose with heavy materials 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). Excessive paint leakage into throat packing nut Throat packing nut is loose Remove throat packing nut spacer. Tighten throat packing nut just enough to stop leakage. Throat packings are worn or damaged Replace packings. Manual 308798. Displacement rod is worn or damaged Replace rod. Manual 308798. Fluid is spitting from gun Air in pump or hose Check and tighten all fluid connections. Reprime pump. Manual 308867. Tip is partially clogged Clear tip. Manual 309091. Fluid supply is low or empty Refill fluid supply. Prime pump. Manual 308867. Check fluid supply often to prevent running pump dry. Pump is difficult to prime Air in pump or hose Check and tighten all fluid connections. Reduce engine speed and cycle pump as slowly as possible during priming. Intake valve is leaking Clean intake valve. Be sure ball seat is not nicked or worn and that ball seats well. Reassemble valve. Pump packings are worn Replace pump packings. Manual 308798. Paint is too thick Thin the paint according to the supplier’s recommendations Engine speed is too high Decrease throttle setting before priming pump. Manual 308867. Clutch squeaks each time clutch engages Clutch surfaces are not matched to each other when new and may cause noise Clutch surfaces need to wear into each other. Noise will dissipate after a day of run time Engine stalls Engine speed is to slow . Increase throttle setting . Adjust engine speed at no load to 3750 – 3850 rpm Fluid filter is clogged Relieve pressure and clean filter Too much pump friction (new pump) Reduce pressure to 3000 psi until pump wears in Spark plug wire is loose Reconnect wire . . Rollers Removal 1. Relieve pressure; page 4. 2. Fig. 2. Remove six cap screws (10) lock washers (9) and cover assembly (24). Note: A screw driver may be needed to pry off cover assembly. 3. Remove dowel pins (97) and rollers (98) Installation 1. Install rollers (98) and dowel pins (97) 2. Install cover assembly (24) with six lock washers (9) and cap screws (10). Fig. 2 9033A 10 9 97 98 20 9 99...
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