Hofmann ATC 900 - Bead Breaker Discs Clearance: Check and Adjustment

CTC-CEN Service Manual 07-13 Rev.E
85
TO ADJUST THE DISC INCLINATION:
 Remove the counter setscrews from the bead breaker holder.
 To adjust the inclination of the disc in rest position, turn the upper
set screw.
 To adjust the inclination of the disc in second stage turn the lower
setscrew.
 Secure the setscrews with the counter setscrews and Loctite.
 Mount the protection.
 Check if the machine works fine.
8.9 BEAD BREAKER DISCS CLEARANCE: CHECK AND ADJUSTMENT
 : 30’ each one
 : Allen keys 4, 5 and 6mm, 8 and 17mm end keys, 13mm tube type key.
 : Incorrect bead breaker discs clearance may cause the following malfunctions:
1. Bead breaker arms misalignment.
2. Bead breaker arms not synchronized.
3. Bead breaker arms beeper beeps when arms are blocked.
TO CHECK THE DISC CLEARANCE:
 Block a 17” rim in good condition to the center post.
 Position the bead breaker disc in contct to the rim and block it, as normal operation.
 Make sure that the clearance in between the disc and the rim will of 1mm.
TO ADJUST THE DISC CLEARANCE:
 Remove the rear protection.