Trumpf Laser Cutting Machine TRUMATIC L 3050

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. Tighten each bearing-adjusting bolt alternately until 25 inch pounds is obtained.

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).

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 into the conveyor

Belt located in the center of the frame

Warning: This maintenance check requires trained personnel with PPE!

Inspect conveyor belt parts for excessive wear

If excessive wear is noted, belt should be removed and repaired. (Refer to service section for belt removal instructions)

Change oil in speed reducer (if applicable)

Refer to gearbox maintenance for proper gear oil

Grease pillow block bearings, using grease gun

Do not over grease or the bearing seals could be damaged

Sign off on the machine maintenance

Power to the conveyor disconnected

Inspection plates under the two pillow block bearings removed

Conveyor run until the master link reaches 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 and gearmotor removed

Lock nuts on the belt tension adjusting screws loosened and adjusting screws backed off

Two bolts holding each pillow block bearing loosened

Drive shaft slid toward the tail of the conveyor for maximum slack in the belt

Power to the conveyor disconnected

Master link reached the inspection slot

Dust cover removed from the end of the gearmotor

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

Lock nuts on the belt tension adjusting screws loosened

Pillow block bearing bolts loosened

Drive shaft slid towards the tail of the conveyor