Troubleshooting
3A9099A Operation, Repair, Parts
61
Displacement pump
operates but output is low on
down stroke and/or on both
strokes.
Strainer is clogged.
Clean strainer.
O-ring in pump is worn or damaged.
Replace o-ring. See Pump manual.
Intake valve ball is packed with material or is
not seating properly.
Clean intake valve. See Pump manual.
Engine speed is too low.
Increase throttle setting.
Suction tube air leak.
Tighten suction tube.
Pressure setting is too low.
Increase pressure.
Fluid filter, tip filter or tip is clogged or dirty.
Clean filter.
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 (22 ft minimum).
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. See Pump manual.
Paint is too thick.
Thin the paint according to the supplier’s
recommendations.
Engine speed is too high.
Decrease throttle setting before priming
pump.
High engine speed at no
load.
Mis-adjusted throttle setting.
Reset throttle to 3700 - 3800 engine rpm at no
load.
Worn engine governor.
Replace or service engine governor.
Low stall or run pressure
shown on display.
New pump or new packings.
Pump break-in period takes up to 100 gallons
of material.
Faulty transducer.
Replace transducer.
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. See Pump manual.
Displacement rod is worn or damaged.
Replace rod. See Pump manual.
Fluid is spitting from gun.
Air in pump or hose.
Check and tighten all fluid connections.
Re-prime pump.
Tip is partially clogged.
Clear tip.
Fluid supply is low or empty.
Refill fluid supply. Prime pump. Check fluid
supply often to prevent running pump dry.
Insufficient air pressure
Increase motor speed, check spray tip
adapter, check air connections.
Problem
Cause
Solution
Содержание LineLazer V 200MMA
Страница 77: ...Notes 3A9099A Operation Repair Parts 77 Notes ...
Страница 80: ...Parts Drawing Filters A B 80 3A9099A Operation Repair Parts Parts Drawing Filters A B B SIDE A SIDE ...
Страница 82: ...Parts Drawing Fluid Pumps A B 82 3A9099A Operation Repair Parts Parts Drawing Fluid Pumps A B A SIDE B SIDE ...
Страница 84: ...Parts Drawing Engine Compressor 84 3A9099A Operation Repair Parts Parts Drawing Engine Compressor ...
Страница 88: ...Parts Drawing Pressure Tank 88 3A9099A Operation Repair Parts Parts Drawing Pressure Tank ...