Alltra Burn Table PM's

Daily PM Alltra Burn Table

• Make sure power is off and all electric cabinets are closed and sealed.

• Vacuum excess dirt off the machine.

• Wipe off main rails and make sure there are no foreign objects that could interfere with the wheels, pinions, or guide bearings.

• Check the cross-travel band and make sure it's tight.

• Make certain that all wheel air blasts (located behind the scrapers) are operational.

• Verify proper inlet plasma gas pressures and flow settings.

• Inspect each torch and replace consumables as needed.

Weekly PM Alltra Burn Table

• Perform daily PM.

• Ensure power is off and emergency stop is pressed. (Lock out, Tag out)

• Carefully inspect all hoses and hose connections for damage or looseness. Immediately replace any hose or connector showing damage. (Lock out, Tag out)

• Strip and clean all igniters.

• Check all rail and wheel scrapers for proper operation. The scraper should move up and down freely in its bracket. Excess material hanging down below the top surface of the rails should be trimmed or ground off, or the scraper can be rotated 180°.

• Check drove bracket tension on upper and lower drives.

• Clean the bearing surfaces on the heavy duty station lift assemblies with green Scotch pad. (DO NOT USE STEEL WOOL!!!)

• Clean out plasma power supplies with compressed air or vacuum and verify cooling fans are working properly. (Lock out, Tag out)

• Clean torch threads and current ring.

• Verify coolant levels in the plasma power supply reservoir.

Biweekly PM Alltra Burn Table

• Perform Daily and Weekly PM

• Disengage all slave (band clamped) carriages from the band and move by hand to make certain they travel freely.

• Clamp each station carriage to the band (both ways). Make certain that there is a positive detent action and that 10 to 20 lbs. of force are necessary before the clamp will slip on the band.

• Use the joystick and make certain that rail and cross travel is smooth and steady.

• Check the filter in the compressed air system.

• Check all control panel functions and lights. Replace any missing or damaged switch boots.

• Check ground leads to ensure complete grounding of machine and noise suppression. Ground leads should not be cut, nicked, frayed, or work hardened and if they are, should be replaced immediately.

• Check all punch markers and put serveral drops of oil into the air inlet. Use Thor general purpose oil or SAE 10. The punch marker oil reservoir should be maintained at 1/2 to 3/4 full. Replace punch marker tips as required. Check all oilers and fill as necessary.

• Check height settings and look for leaks.

• For extremely dirty or hot operation conditions, lubricate the linear way bearings. (See Lubrication of Linear Way Bearings)

Monthly PM Alltra Burn Table

• Perform biweekly PM

• Inspect the guide rollers on the machine and all carriages; adjust where necessary

• Open all electronic consoles and cabinets and remove any accumulation of dust and dirt by CAREFULLY vacuuming. DO NOT BLOW OUT THE CONSOLES!!! (Lock out, Tag out)

• Check all torch slides for smooth travel. Clean and adjust as needed. (See Dovetail Slide Maint. Procedure)

• Inspect drive rack and pinions. Replace any badly worn sections or pinions.

• Inspect engagement springs for proper tension and tighten if necessary.

• Inspect for loose wiring connections.

• Inspect power supply main contactor(s) and the pilot arc relay(s) for wear. (Lockout, Tag out)

• Inspect air filter on front panel of plasma system(s).

• Lubricate the linear way bearings. (See Lubrication of Linear Way Bearings)

Semiannual PM Alltra Burn Table

• Perform monthly PM

• Lubricate the truck wheel bearings.

Annual PM Alltra Burn Table

• Perform semiannual PM

• Test the reverse flow check valves located on each oxyfuel torch. Replace as needed or every 5 years.

• Check the straightness of the main guide rail by stretching a piano wire along the track with spacer blocks. Overall deviation from straightness cannot exceed the acceptable tolerance of parts produced by this machin and should only occur gradually. (See Rail Alignment)

• Replace plasma system pilot arc relay. (Lock out, Tag out)