Trumpf Laser Cutting Machine Trumatic L3030

Position belt with a link pin directly below the conveyor drive shaft.

Hold a straightedge across the bottom of the conveyor discharge at the very rear.

Measure vertically from the straightedge up to the underside of the belt.

Push up on the underside of the belt.

Repeat the measurement from the straightedge up to the underside of the belt.

Is the measurement in step 5 approximately 1/16 inch (1.5mm) greater than the measurement in step 3?

Sign off on the conveyor belt tension check

Power to the conveyor disconnected

Bolt-on tail flange removed from each side of the conveyor

Bearing mounting bolts removed from each bearing on both sides

Tail shaft/sprocket weldment slid from the frame

Bearings and collars transferred to replacement tail shaft/sprocket weldment

Tail shaft/sprocket weldment properly centered in the conveyor frame

Belt reinstalled back into the conveyor

Belt located in the center of the frame

Disconnect power to the conveyor before performing any work on the belt.

Remove the inspection plates located directly under the two pillow block bearings.

Run the conveyor until the master link reaches the inspection slot.

Remove the dust cover from the end of the gearmotor.

Remove the 10-mm. bolt from the end of the drive shaft.

Remove the 4 mounting bolts attaching the gearmotor to the mounting bracket and remove the gearmotor.

Loosen the lock nuts on the belt tension adjusting screws and back off the adjusting screws.

Loosen the two bolts holding each pillow block bearing.

Slide the drive shaft toward the tail of the conveyor.

Power to the conveyor disconnected

Inspection plates under the two pillow block bearings removed

Master link reached the inspection slot

Dust cover from the end of the gearmotor removed

10-mm. bolt from the end of the drive shaft removed

4 mounting bolts attaching the gearmotor to the mounting bracket removed

Lock nuts on the belt tension adjusting screws loosened

Two bolts holding each pillow block bearing loosened

Drive shaft slid toward the tail of the conveyor

CAUTION: ALWAYS DISCONNECT POWER TO CONVEYOR BEFORE ATTEMPTING ANY MAINTENANCE PROCEDURES.

Install belt as stated in Parts and Service Manual, except do not tension belt.

Tighten pillow block bearing bolts, and then loosen five (5) 1⁄4 turns.

Set torque wrench to 25 inch pounds.

Manually rotate belt back and forth.

Repeat steps (3) and (4) until belt rotation no longer results in decreased torque setting.

Run machine for (2) hour break-in period.

Loosen adjusting bolt locknuts. Loosen bearing bolts as noted in step (2). Repeat steps (3), (4) and (5).

NOTE: Belts with discharge heights in excess of 50” or load length in excess of 8 ft. may require higher torque settings.