High-strength aluminium alloy. HART-COAT® surface for wear-resistance and reduced adhesion of weld spatter. With thread for clamping screw No. 6880.
Fitting clamping arm:
1) Set up clamping arm with spring washer and screw without play.
2) Turn clamping arm into position.
3) Hold clamping arm fixed with wrench and tighten screw.
Clamping arm removal:
1) Hold clamping arm fixed with wrench and loosen screw.
2) With light blows from below (plastic hammer), separate clamping arm from the piston rod.
Caution! No side blows permitted!