Pump Troubleshooting - Lavorwash PWR4000 Mode D'emploi

Electric Motor Troubleshooting Continued

Pump Troubleshooting

Problem
No low pressure
detergent delivery
Unit does not reach
required pressure
Pressure Washer Operation Manual
2. Extension cord is too
long or of improper gauge,
causing voltage drop
3. Pump is stuck due to dirt,
mineral build up, or ice
4. Motor malfunction
Possible Cause
1. Nozzles set on high
pressure
2. Siphon hose or filter is
plugged
3. Incorrect nozzle size
1. Restricted or insufficient
water supply
2. Unsuitable or worn out
nozzle
3. Regulator set too low
2. See section on extension
cords
3. Unplug unit. If temp. is
below freezing do not use.
Thaw in warm area.
4. Take it to your closest
Baldor dealer for servicing
* All motor servicing to be
taken to manufacturer's
authorized service outlets
Remedy
1. Push nozzle forward for
variable nozzle units, or
replace with brass soaper
nozzle
2. Unplug siphon hose
3. Install correct brass soaper
nozzle
1. Check supply hose, faucet
and inlet water filter. Must be
connected to water source
which provides 6GPM
2. Replace nozzle
3. Reset unloader by turning
knob (clockwise increases
pressure)
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