SYMPTOM | CAUSE | SOLUTION |
Engine won't start
1,, Engine throttle is in "OFF" Position,
2.Choke lever has net been placed to choke,
3, Pressure buildup after initial use.
1, Slide throttle to "Rabblt" position,
2.Slide choke lever to choke position, 3, Depress trigger gun°
Won't Draw | 1. | Nozzle not in chemicar | draw position, | 1_ | Place | nozzle to | low | pressure, | |||
Chemical | 2_ | Chemical | screen | is | obstructed. | 2, | Check | chemical | screen; clean if obstructed | ||
| 3, | Chemical | screen | not | working, | 3. | Make | sure chemical | screen is submerged in | ||
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| chemical/water. |
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| 4o | Chemical | injector | orifice | obstructed | 4. | Check | end clean. |
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Pump running normally but pressure does not achieve rated values
or stuck,
5o Chemical injector closed.
1.Water supply restricted,
2.Nozzle is in low PSi position.
3, Nozzle incorrect or wom,, 4, Pump sucking air,
5o Nozzle blocked.
5.Open chemical injector by turning adjustment knob.
t, Check water supply and filter screen for, blockage. Check hoses for blockage, kinks, leaks, etc.
2- Twist nozzle at end of wand clockwise the hlgh pressure position.
3, Check and replace.
4.Check that hoses and fittings are airtJghL 5, Clean nozzle.
Fluctuating 1. Pump sucking air.
Pressure
2.Garden hose inlet strainer clogge&
3.Worn Seals or Packing.
4, inadequate water supply,
5.Fouled or dirty inlet or discharge valves.
6.Leaky discharge hose.
1.Check that hoses and fittings are air tighL Purge air from garden hose,
2.Clean. Check fitter frequently.
3., Check and replace. 4, Check hose for kinks,
5.Check flow available to pump,, Check for excessive heat, 145° F or above.
6, Clean inlet and discharge valve assemblies, Replace if damaged,
Pressure drops
after period of normal use
Pump noisy
Presence of
water in oil (oil
milky),
Water dripping from pump
Oil Dripping
1. Nozzle clogged, partially obs_ctedo
2o Nozzle worn,
3.Pump Valves worn, dirty or stuck. 4, Worn pump piston packing,
1, Water too hot,
2., Pump sucking air., 3, Valves dirty or womo 4. Worn bearings.
I, High humidity.
2, Piston packing and oil seal worn,
I, Thermal relief functioning normal,
2.Fittings Loose,
3.
4.Piston packing worn.,
1.Oilsealworn
2Loose drainplugorworn dra]n plug o-ring.
1, Use nozzle cleaning kit to clear obstruction. (See
Nozzle Maintenance under Service Adjustment,)
2. Clean or replace.
3, Check and replace.
44 Check and replace,
1, Reduce temperature below 630 C or 145 ° Fo 2, Check that hoses and fittings are airtighL
3.Check, ciean or replace,
4.Check and replace if necessary, 1, Change Oil,
2.Check and replace oilseals,
1.Protecting pump, if not using pressure washer for a tong period oftime, shutoff engine.
2.Tighten.
3.Check and replace,
4o Check and replace.,
1, Check and replace
2, Tighten drain plug or replace o,.ring Do not over torque,
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