Main Components

25 m (82′) basic jib with hoist drive. Extensions up to 55 m (180′) radius in 5 m (16′) steps. Connection frame with hydraulic cylinder for luffing of the jib. Slewing frame with driver’s cabin, control cabinet, slewing gear, slewing bearing with central lubrication unit and slipring system. Counterjib with platform and counterweights.

Drive Technique

Luffing drive with hydraulic cylinder incl. power pack and squirrel cage motors, fully thermal protected. Other drives frequency controlled squirrel cage motors, fully thermal protected.
Hoisting winch Hw1260FU. Slewing gear with electrically operated weather vaning device.
Automatic wind force compensation controls.

Electrical Equipment

Multivoltage equipment for supplies of 480 V Y / 277 V 60 Hz. Electronic safety crane controls with bus technology. Incremental absolute encoders for all operating movements. Electronic load measuring device. Colour display as touch screen showing information to operator, both operational and diagnostics.

Safety Devices

Electronic overload protection system. Increased load moment limitation by automatically
hoisting speed reduction. Menu guided setting of overload protection system and of all limiters from operators cabin. Working space limiter. Anti collision interface. Electronic controlled level luffing.

Tower Elements, Climbing Device

Tower configuration of WOLFF system tower elements. WOLFF slug bolt connection. Detachable hydraulic WOLFF external climber KWH 20.3 resp. internal climbing gear KSH 20 M.

Crane Base

As travelling version on WOLFF sytem mobile crossframe KRF with gauge of 6.0 m up to 10.0 m (20′ - 33′) or stationary on crossframe KR or alternative on foundation anchors. WOLFF cross frames KR can be modified to KRF.

Power Requirements and hook paths (Slewing part)

91 kVA (Hw1260FU), hook path 250 m (820′) in 2-fall operation