Hofmann ATC 900, Руководство по обслуживанию

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CTC-CEN Service Manual 07-13 Rev.E
70
CHAPTER 8
MECHANICAL SECTION
8.0 MECHANICAL SECTION
The mechanical section is connected to the centerpost, the tool and to the bead breakers adjustments. Usually this
parts do not require the replacement and in any case their replacement is required after years of intensive working.
8.1 OPENING ARM BUSHINGS # 1-10065A: CHECK AND REPLACEMENT

: 4h

: End keys 10, 17, 19, 24 , 30 and 32mm, allen keys 3, 4, 5 and 8mm, 10, 17, 20 and 25mm ring nut socket
keys.

: Defective bushings may cause the following malfunctions:
1. Excessive play on the operating arm assembly.
2. The opening arm touch against the end stroke screw during the closing.
3. The operating arm moves downward whenever it is opened.
TO CHECK THE OPENING ARM BUSHINGS:

Close the swing arm.

Release the end stroke screws. Please take good note to release that one in the bottom of one turn only, that
correspond to about 1mm.

Block the operating arm by pressing the yellow button.

Move upward the operating arm assembly to verify the play of the bushings.

If the arm will touch the screw, there will be excessive play.
TO REPLACE THE SWING ARM BUSHINGS:

Remove the horizontal and vertical arms protection.

Unlock the operating arm.