Trumpf Laser Cutting Machine TRUMATIC L 3050

Warning: This maintenance check requires trained personnel with PPE!

In hostile operating conditions, such as high humidity, corrosive environment, or large temperature changes, the lubricant should be changed at more frequent intervals.

Grease packed bearings cleaned and regreased?

Input (high speed) bearings should not be over greased. They should be filled with grease not to exceed 1/3 of the bearing’s free volume. For output bearings and bearings with replacement grease shields, fill to 2/3 of their free volume.

Was the recommended lubricant used?

If the recommended lubricant is not available, it is permissible to use a lubricant having equivalent characteristics but we do not recommend that lubricants of different brands be mixed. Under no circumstances should synthetic lubricants be mixed with one another or with one having mineral base.

Alignment, belt tension and mounting bolt torque checked?

Keep the drive relatively free of dust and dirt.

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).

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

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

WARNING: Always ensure equipment is secure and electrical power is off before removing or performing maintenance on the drive assembly.

Power to the conveyor disconnected

Electrical disconnection plug at the gearmotor terminal box unplugged

Dust cover removed from the end of the gearmotor

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

4 mounting bolts removed and gearmotor slid off of the shaft

Note: When installing the gearmotor it is advised to apply a high quality mounting paste to the keyed drive shaft.

Gearmotor installed and mounting paste applied

Black rubber seal on the breather removed