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section 2
2.1
general
Warning
Maintenance work must be performed by an experienced person. Do not permit untrained persons to inspect, clean, or
lubricate this equipment.
On a regular basis, check solenoid valves, regulators, hoses, and gas connections for leaks using a soap solution or a leak
test solution.
Keep the flow control dry, free of oil and grease, and protected at all times from damage by hot metal and sparks.
Refer to 0558008059 (PMC-91 Plasmarc System) for operational details and process troubleshooting.
2.2
cleaning
Periodically, remove the cover from the plasma marking control box and, wearing proper eye protection, blow accumulated
dust and dirt from the air passages and the interior components using clean low-pressure air. It is imperative that the air
passages to the interior of the unit be kept free of dirt accumulation to ensure adequate circulation of cooling air.
The length of time between cleaning will depend on the location of the unit and the amount of dust in the atmosphere.
After cleaning with low-pressure air, check for and tighten any loose hardware, including all electrical connections. Check
for frayed and/or cracked insulation on all power cables and replace if necessary.
Warning
electric shocK can Kill! ensure the line (Wall) Disconnect
sWitch or circuit BreaKer is open Before atteMpting anY
inspection or WorK on the insiDe of the floW control. al-
WaYs Wear safetY goggles With siDe shielDs When BloW-
ing out the MarKing control Box With loW pressure air.
electric shocK can Kill! failure to replace Worn or DaM-
ageD caBles MaY result in a Bare caBle touching a grounD-
eD surface. the resulting electrical arc MaY DaMage the
unprotecteD eYes anD Will present a serious fire haZarD.
BoDilY contact With a Bare caBle, connector, or conDuc-
tor MaY ressult in seVere electrical shocK, causing seri-
ous Burns or Death.
17
Maintenance
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