Clarke RANGER 60 air Petunjuk Pengoperasian & Pemeliharaan - Halaman 7
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FAULT FINDING
PROBLEM
PROBABLE CAUSE
The compressor
Bad connections.
stops and will not
start again.
Blown fuse
Overload cutout
switch has tripped.
The compressor
Compressor head
does not reach
gasket blown or valve
the set pressure
broken.
and overheats
easily.
Compressor does
Air receiver charged
not start.
(see also item 1)
Air leaking from
Faulty non-return
the pressure switch
valve.
valve when the
compressor is not
running.
Air pressure from
The diaphragm within
the regulator will
the regulator body is
not adjust.
broken.
The compressor is
Compressor dam-
very noisy and
aged and needs
makes a metallic
overhaul.
knocking sound.
REMEDY
Check the electrical
connections.
Clean and tighten as
necessary.
Renew/Replace fuse
Switch off and wait 5 minutes
before pressing the reset button.
Wait for compressor to cool
down, disassemble the head
and replace any broken
components.
Carefully clean all sealing
surfaces before reassembling.
If in doubt contact Clarke
international
NOTE: It is also possible that
you are using more air than
the compressor is capable of
delivering.
Open drain cock to expel air.
Compressor should start again
when pressure reduces to
approx 95 psi.
First drain the receiver
completely of air. Remove the
valve end plug, carefully clean
the valve seat and the gasket
and reassemble. See Fig 8.
Replace Regulator
Return the machine to Clarke
international.
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NOTE: Should the motor fail to start immediately, it is probable that the air receiver
is already full of air. Check the tank pressure gauge (see fig. 2). If you release air,
by opening air outlet tap, the motor will start automatically once the cut-in pressure
is reached.
4.
Before connecting your airline to the compressor allow it to run with the air
outlet tap completely open for 10 - 15 seconds to permit a good distribution
of the lubricating oil.
5.
Close the outlet tap then connect one end of suitable air hose to the
compressor air outlet, and the other and to the equipment to be used.
Set the outlet pressure by adjusting the Output Pressure Regulator. To do this,
turn the knob clockwise to increase pressure, anti-clockwise to decrease.
The Ranger 60 requires that the Regulator Knob be pulled upwards before
it may be turned. Pushing the knob down again holds the pressure setting.
Read the operating pressure on the outlet pressure gauge.
NOTE: For most spraywork do not exceed 50 psi (unless following paint
manufacturers instructions).
For other airline equipment such as air tools, tyre gauges, staple guns, paraffin guns
etc., it may be necessary to set the operating pressure at a higher (or lower) level.
IMPORTANT:
Always refer to the accessory manufacturers' recommendations
for optimum operating pressures for their equipment.
6.
With operating pressure set, reopen the air outlet tap.
7.
The Pressure Switch, located within the plastic cover beneath the ON/OFF switch,
should not require adjustment. This is an automatic device and has been preset
at the factory to stop the motor when pressure in the receiver reaches its
maximum, and to start it again when the pressure falls to the minimum preset
value. This operation is completely automatic and does not affect the spraying
process in any way. However, should problems develop with the cut-in, cut out
settings, consult your local Clarke international Service Dep't.
NOTE:
a. If the machine pumps continuously without
cutting out then the compressor is too small
for the application/tool being used, and
damage may result. Consult your local
Clarke international outlet.
b. The motor is protected by a Thermal
Overload so that if the motor overheats
for any reason -the thermal overload
will trip, stopping the motor. To restart,
allow a period for the motor to cool
down (5 min), before pressing the Reset
Button, illustrated in fig. 3.
c.
DO NOT exceed the Duty Cycle for the
machine (see Specifications)
Fig. 3
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