Durapac PAT-1114, Инструкция по эксплуатации

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Instruction Manual
PAT-1114 Power Units - V1.1 www.durapac.com Page 9 of 15
7.0 Troubleshooting
Problem Cause Solution
Power unit cannot be started Unsuitable air source

Ensure the air supply meets
the power unit’s
specifications
Air source is not connected

Connect air source
Power unit has no pressure Loose couplers

Tighten couplers
Faulty couplers

Replace couplers
Oil level too low

Refer to 6.1 – Adding
Hydraulic Fluid
Faulty pressure gauge

Replace gauge
Hydraulic couplers have a
vacuum lock

Check hydraulic couplers to
hydraulic torque wrench

Inspect couplers to ensure
they are completely
coupled

Replace couplers if
damaged
Leaking couplers O-ring is worn or missing in
the female couplers

Replace the couplers
Power unit cannot reach the
rated pressure Pressure is adjusted too low
for the high-pressure valve

Check the gauge

Adjust to rated value
Oil is mixed with water

Refer to 6.3 – Changing
Hydraulic Fluid
Malfunctioning pressure relief
valve

Replace pressure relief
valve
Loose high-pressure valve

Tighten valve
Air in system

Refer to 6.2 – Bleeding Air
from the System
Power unit emits a loud noise
while operating
Bearings worn or broken

Replace bearing(s)
Air in system

Refer to 6.2 – Bleeding Air
from the System
High pressure flow is reduced Piston or springs may be
broken

Replace piston assembly
Loose couplers

Tighten couplers
Oil level too low

Refer to 6.1 – Adding
Hydraulic Fluid
Oil too cold

Control the temperature to
at least -10°C
Dirt in pump or filter is
clogged

Replace filter and clean tank