Hofmann ATC 900 - Page 79

CTC-CEN Service Manual 07-13 Rev.E
79
 If they are completely compressed, turn the screws back until to see
some light in between of the every wire of the spring.
 Check if the machine works fine.
 Install the protection.
TO ADJUST THE HORIZONTAL TOOL CLEARANCE:
 Block a 17” rim diameter rim in good condition to the centerpost.
 Unlock the horizontal arm.
 Unlock the rear screws and tighten them all way in. Then turn them
backward of two turns each one.
 Lock the counter nuts.
 Place the tool on the rim, as normal operation, and then lock it.
 Make sure that the clearance between plastic protection and rim is
2mm.
 If the clearance is higher, release the arm, unlock the screws and
tighten them accordingly. Then lock the screws again.
 If the clearance is lower, release the arm, unlock the screws and
loosen them accordingly. Then lock the screws again.
 Check if the machine works fine
TO ADJUST THE HORIZONTAL ARM BLOCKING PLATE:
 Unlock the horizontal arm.
 Unlock the 6mm counter nuts
 Tighten as much as possible the horizontal blocking cylinder
adjustment set screws in order to block the arm.
 Turn counter clockwise both set screws at ½ turn every step until
the horizontal arm will move smoothly again.
 Block the counter nuts again.
 Mount the protection.
 Check if the machine works fine.