Dynaset HPW 1200/100-390 Instrukcja obsługi - Strona 13
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13
SYMPTOM
1.1
HPW-PUMP DOES
NOT WORK
1.2
HPW-PUMP WORKS,
BUT DOES NOT
DELIVER WATER
FLOW.
Models with water
pressure unloader
valve.
1.3
HPW-PUMP DOES
NOT RECEIVE
PUMPING FLUID
1.4
WATER PRESSURE
LINE BLOCKED.
Models with water
pressure unloader
valve.
CAUSE
1.1.1
Too small hydraulic flow or
no hydraulic flow at all.
1.1.2
Hydraulic pressure too low.
1.1.3
Hydraulic flow reversed.
1.1.4
Hydraulic piston damaged
mechanically.
1.2.1
Water intake and pressure
valves are open (jammed
with debris) or damaged.
1.2.2
Regulator's unloader valve
opens from intake to
pressure.
1.3.1
Intake hose detached or
hose breathes.
1.3.2
Water supply line clogged.
1.3.3
Suction head to high.
1.4.1
Nozzle clogged.
1.4.2
Regulator's check valve
damaged, pressure line
blocked .
HPW - HIGH PRESSURE WATER PUMPS
HPW-PUMP DOES NOT PRODUCE WATER FLOW
ACTION
1.1.1
Enable or adjust the hydraulic flow.
1.1.2
Adjust the hydraulic pressure.
1.1.3
Check and reconnect hydraulic hoses. Pressure
hose should be connected to P-port and return
hose to T-port.
1.1.4
Replace damaged part.
1.2.1
Check water valves and clean them thoroughly
or replace when damaged.
1.2.2
Check the valve and repair failure.
1.3.1
Check and fix the hose and connectors.
1.3.2
Check strainer or water filter and clean
thoroughly.
1.3.3
Check the performance with pressurized
water supply when possible.
1.4.1
Check the nozzle and clean thoroughly.
1.4.2
Check the valve and repair failure.
May 2014