5-28 OM ET18/20/24 us 1.3 * et18_20_24b510.fm
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Proportionally controlled additional control circuit – AUX I (option)
1. Changeover to the dual-circuit function. The ball-type cock is located
on the right in traveling direction on the upper carriage.
2. Turn the rotary switch on the left-hand control lever base to the
required position.
Operating the additional control circuit
Oil flow to left-hand line:
Push slide switch 24 on the left-hand control lever to the left.
Oil flow to right-hand line:
Push slide switch 24 on the left-hand control lever to the right.
Fig. 161: Ball-type cock
Hammer
operation (sin-
gle-circuit
function)
Grab opera-
tion (dual-cir-
cuit function)
Fig. 162: Setting the oil flow
Fig. 163: Operating the additional control circuit
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