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sectioN 3
3.1 General
Proper installation can contribute materially to the satis-
factory and trouble-free operation of the Prest-O-Lite
Cutter. It is suggested that each step in this section be
studied carefully and followed as closely as possible.
3.2 eQuIpmenT reQuIreD
A source of clean, prefiltered dry air that supplies 250 cfh
at 80 psig is required for the cutting operation. The air
supply should not exceed 150 psig (the maximum inlet
pressure rating of the air filter-regulator supplied with the
package).
3.3 locaTIon
Adequate ventilation is necessary to provide proper cool-
ing of the Prest-O-Lite
®
550 and the amount of dirt, dust,
and excessive heat to which the equipment is exposed,
should be minimized. There should be at least one foot
of clearance between the Prest-O-Lite
and wall or any other obstruction to allow freedom of air
movement through the power source.
Installing or placing any type of filtering device will restrict
the volume of intake air, thereby subjecting the power
source internal components to overheating. The warranty
is void if any type of filter device is used.
3.4 InspecTIon
A.
Remove the shipping container and all packing ma-
terial and inspect for evidence of concealed damage
which may not have been apparent upon receipt of
the Prest-O-Lite
®
550. Notify the carrier of any defects
or damage at once.
B.
Check container for any loose parts prior to disposing
of shipping materials.
C.
Check air louvers and any other openings to ensure
that any obstruction is removed.
®
550
550 power source
®
21
3.5 prImary elecTrIcal InpuT
connecTIons (fIGure 3-1)
elecTrIc sHocK can KIll! precautionary measures
should be taken to provide maximum protection
against electrical shock. Be sure that all power is off
by opening the line (wall) disconnect switch and by
unplugging the power cord to the unit when connec-
tions are made inside of the power source.
Be sure that the power source is properly configured
for your input power supply. Damage to the machine
may occur otherwise.
The Prest-O-Lite
550 power source operating on 230 V,
®
1-phase input power is equipped with a 8-ft, 3-conductor
cable with plug. An optional mating receptacle (P/N 674540)
is available. A line (wall) disconnect switch with a 40-ampere
fuse or circuit breaker should be provided at the main power
panel. The cable connecting the disconnect switch to the
receptacle should include three (two power and one ground)
No. 10 AWG insulated conductors.
The chassis must be connected to an approved electrical
ground. failure to do so may result in electrical shock,
severe burns or death.
A line (wall) disconnect switch, with proper sized fuse or
circuit breaker (see Table 3.1), should be provided at the
main power panel.
iNstallatioN
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