Hofmann ATC 900, Руководство по обслуживанию

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CTC-CEN Service Manual 07-13 Rev.E
87

Please refer to par.8.2.

Check if the machine works fine

Mount the protection.
8.10 BEAD BREAKER CARRIAGE: CHECK AND ADJUSTMENT

: 30’ each one

: Allen keys 4, 5 and 6mm, 8 and 17mm end keys, 13mm tube type key.

: Incorrect bead breaker carriage adjustment may cause the following malfunctions:
1. Excessive play.
2. Bead breaker arms not synchronized.
3. Difficult Bead breaking operation.
TO CHECK THE BEAD BREAKER CARRIAGE:

Check if the rollers and the bronze pads are damaged or worn out.

If necessary loosen the setscrews and replace the damaged units.
TO ADJUST THE BEAD BREAKER CARRIAGE:

Tighten all setscrews unless lock rigidly the carriage on the squared bar.
Move the carriage up and down and make sure that will move
unless jerking.

In case the carriage will jerk, stop the movement and adjust the
screws. Then continue the control.

When the carriage will move smoothly without any significant play,
block all counter nuts.

Perform the bead breaker arm calibration.

Check if the machine works fine.
8.11 LEAD SCREW NUT # EAM0076G10A : CHECK AND REPLACEMENT

: 1h

: Allen keys 4, and 5, 8 and 13mm end keys, Loctite.

: Worn lead nut screw may cause the following malfunctions:
1. Bead breaker arms not synchronized.
2. Bead breaker arms beeper beeps when arms are locked.