Maintenance; General; Daily; Periodic - ESAB A2 Multitrac Instruction Manual

5 MAINTENANCE

5 MAINTENANCE
5.1

General

CAUTION!
All warranty undertakings from the supplier cease to apply if the customer attempts
any work to rectify any faults in the product during the warranty period.
NOTE!
Before doing any kind of maintenance work, make sure the mains cable is
disconnected.
5.2

Daily

• Clean flux and dirt off moving parts.
• Check that the contact tip and all electrical cables are connected.
• Make sure all screwed joints are tightened.
• Check that guides and drive rollers are not worn or damaged.
• Check the brake hub braking torque. Tighten if the wire reel continues to rotate when
the wire feed is stopped. Loosen if the feed rollers slip. As a guide, the braking torque
for a 30 kg wire reel should be 1.5 Nm.
To adjust the braking torque, see section "Adjusting the brake hub".
5.3

Periodic

• Inspect the wire guides, drive rollers and contact tip on the wire feed unit.
• Replace any worn or damaged components, see section "WEAR PARTS".
• Inspect the slides, lubricate them if they are binding.
• Lubricate the chain.
• Tensioning the chain between the trolley's front and back axles.
○ Dismantle the trolley wheels and blanks. Remove the Y flange bearing bolts.
○ Tension the chain by moving the trolley's rear axle parallel in relation to the front
axle.
○ Reassemble in the reverse order.
• Tensioning the chain from the trolley's front axle to the drive motor and gearbox.
○ Tension the chain by moving the drive motor and gearbox.
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