Installing the slewing drive

Only with a slewing drive

The slewing gear unit with slewing drive is installed AFTER aligning the jib arm.

 

High-tensile bolts with washers and hexagonal nuts	Wall mount
Toothed segment

   Screw the toothed segment and wall mounts together with the corresponding high-tensile bolts (4x), washers (8x) and hexagonal nuts (4x) using the required tightening torque.

Size	High-tensile bolt	Tightening torque
WL 35/WL 50	M12x60	120 Nm
WL 60/WL 70	M16x70	284 Nm

 

 

Slewing drive	Slewing gear unit

   Place the slewing drive on the slewing gear unit.

   For WL 35, WL 60 and WL 70 only: Tighten the slewing gear with hexagon head screws (4x) and washers (4x).

Size	Hexagon head screw	Tightening torque
WL 35	M8x20	8 Nm
WL 60/WL 70	M12x30	35 Nm

   For WL 50 only: Tighten the slewing gear with rib screws M10x25 (4x). 35 Nm.

 

 

The figures show a coupler plug with a sprocket. This can vary depending on the type of motor. The installation does not differ significantly.

 

Slewing motor	Sprocket
	Slewing gear

   Place the sprocket on the output shaft of the slewing motor.

   Secure the sprocket using a stud.

   Place the slewing motor in the slewing gear.

   Screw the slewing motor in place using hexagon head screws M6x20 (4x). 10 Nm.

 

 

Slewing gear unit	Tensioner sleeves

   Drive the tensioner sleeves about halfway into the holes on the slewing gear unit.

 

 

Wall mount	Slewing motor
Toothed segment	Slewing gear unit

   Place the slewing drive on the toothed segment.

   Bolt the slewing gear unit to the jib arm with tensioner sleeves (4x), hexagon head screws (4x), washers (8x) and hexagonal nuts (4x). 45 Nm.

 

 

Slewing gear unit	Lock nuts

  Secure the screw connection with lock nuts (4x).

 

 

Bottom section of connector housing	Slewing motor
Cable bushing	Connector

   Open the housing cover.

   Push the cable bushing into the housing and plug in the connector.

 

 

Housing cover	Bottom section of connector housing

   Place the housing cover on the bottom section of the connector housing.