Maintenance And Upkeep - Car-O-Liner CTR12000 Instruction Manual

Car-O-Liner Group AB

7 Maintenance and upkeep

GENERAL WARNINGS
WARNING
ELEKTRODES
PNEUMATIC CONTROL
41643, ENG - rev. 2, 2016-10
This chapter describes required maintenance work that is obligatory:

For ensuring trouble free, safe and efficient performance of the spot
welder.

For avoiding the causes, mostly quite simple, that lead to impaired
welding results.
Always disconnect the machine from the mains and the air supply prior to
any maintenance:

Ensure that all the screws on gun arms, electrode holders, plates, and
rigid and flexible junctions are well-tightened.

Remove possible oxidation with fine sandpaper since it may cause
contact resistance in the welding current circuit. If need be, slightly
grease the electrode arms and shank with very conducting grease.

Grease shafts and bearings with a few drops of oil at regular
intervals (not later than every six months).

Clean the spot welder and remove dirt and particles of metal that
might be attracted by the machine's magnetic field.

Clean the inside of the power source and the cooling unit at least
every six months. In particular dusty environment, suck off the dust.

Never use a water jet for washing the machine neither use strong
detergents, solvents, thinners or benzene since those could damage
the coat of varnish or the plastic components of the machine. Keep
the coolant level to approximately ¾. Once a year, completely drain
off and replace the coolant.

For machine storage in winter season in rooms without heating,
sufficient antifreeze agent must replace the coolant.
Disconnect the machine from the mains and the air supply before maintain-
ing electrodes.

Keep electrodes clean during the welding process and ensure that the
electrode tip diameter suits the welding task. Strongly worn
electrodes or caps must be replaced.
Maintenance work on the pneumatic control system may be exclusively per-
formed by qualified and trained persons being familiar with the safety regu-
lations and rules. If possible, switch off the machine prior to this work, cut
off the air supply and release the residual air pressure.
CTR12000
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