Interpump T Serie Mode D'emploi page 24

TROUBLE
The pump is running but
maximum pressure is
not obtained
Fluctuating pressure
Pressure decreases
Excessive noise
Worn water and oil seals
Water leakage from manifold
Oil leakage
The motor hums but does not run
when turned on
The motor does not start when
switched on
The motor stops
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12 - TROUBLE SHOOTING
(FOR QUALIFIED PERSONNEL)
CAUSE
Air suction
Worn or dirty valves
Unloader packings worn
Nozzle worn or incorrect
Piston packings worn
Dirty filter
Damaged, dirty or clogged valves
Air is being sucked
Worn packings
Dirty filter
Worn nozzle
Dirty or stuck valves
Bypass packings worn
Piston packing worn
Dirty filter
Air suction
Damaged, dirty or stuck valves
Worn bearings
Water temperature too high
Dirty filter
Seals (water and oil) damaged
Excessively high ambient humidity
Piston-packings-worn
O-rings worn
Oil seal worn
System voltage is lower to the
minimum advised
The pump is stuck or fr ozen
Extension cord incorrect
The plug is not well connected
No power supply
The thermal protector has turned
the machine off for overheating
24
REMEDY
Check suction hose and fittings
Clean or substitute
Check and/or substitute
Check and/or substitute
Check and/or substitute
Check and/or clean
Check, clean and/or substitute
Check suction hose and fittings
Check and/or substitute
Check and/or clean
Substitute nozzle
Check, clean and/or substitute
Check and/or substitute
Check and/or substitute
Check and/or clean
Check suction hose and fittings
Check, clean and/or substitute
Check and/or substitute
Lower water temperature to
under 60°C
Check and/or clean
Check and/or substitute
Change oil twice as frequently
as advised
Replace washers
Replace O.R.
Replace oil seal
Check that your power source
is adequate
See page 21
Consult the extension cord
table on page 15
Check plug, cord and switch
Check that the voltage is corr ect.
Turn off and let cool down
for a few minutes
before turning on again