Hofmann ATC 900 - Opening Arm Bushings # 1-10065 A Check and Adjustment

CTC-CEN Service Manual 07-13 Rev.E
74
8.1.1 OPENING ARM BUSHINGS LINKAGE: CHECK AND ADJUSTMENT
 : 1h
 : End keys 32mm, allen key 5 and 8mm, 10, 17, 20 and 25mm ring nut socket keys.
 : Incorrect adjustment may cause the following malfunctions:
1. Excessive play on the operating arm assembly.
2. The operating would not open.
3. The operating arm remains unlocked in working position.
TO CHECK THE OPENING ARM LINKAGE:
 Close the operating arm, as normal condition.
 Looking the two linkage arms from the top and bottom, it should not be possible to see the short connecting rod.
UPPER OK UPPER NOT OK
LOWER OK LOWER NOT OK
TO ADJUST THE OPENING ARM LINKAGE:
 Remove the anti-rotational plates.
 Turn both eccentrics of steps of 1/6 of a turn to correct the adjustment.