Replacing deflection roller crosshead for reeving 4/2 or 8/2

 

If the deflection roller crosshead is damaged, it must be replaced.

A deflection roller crosshead is installed on the trolley frame for reeving 4/2. This hangs on bearing bushes and is secured with bolts and SL safety clips

Two deflection roller crossheads are also installed in the trolley frame for reeving 8/2.

 

 

Disassembling the deflection roller crosshead

SL safety clip

Bolt

Deflection roller crosshead

*   Pull the SL safety clips from the bolts.

 

 

Bolt

 

Deflection roller crosshead

*   Pull the bolts (2x) out of the deflection roller crosshead.

 

 

 

Deflection roller crosshead

Bearing bush

*   Lift the deflection roller crosshead from the bearing bushes.

 

 

Only with wire rope hoist with reeving 8/2

On a wire rope hoist with a reeving 8/2, two deflection roller crossheads are also installed in the trolley frame.

 

Metal plate

Rib screws M10x16

*   Release the rib screws M10x16 (4x) on the plate.

*   Lift the plate off the trolley frame.

 

 

Deflection roller crosshead

 

*   Lift the deflection roller crosshead out of the trolley frame.

 

 

Second deflection roller crosshead

 

*   Lift the second deflection roller crosshead out of the trolley frame.

 

 

 

 

Disassembling the deflection roller

 

Deflection roller crosshead

Rib screw

Mount

*   Release the rib screws (2x).

*   Pull the mount of the measurement bolt.

 

 

Bush

Deflection roller crosshead

Deflection roller

Measurement bolt

*   Pull the measurement bolt out of the bush in the deflection roller crosshead and deflection roller.

*   Pull the deflection roller out of the deflection roller crosshead.

 

 

Only with wire rope hoist with reeving 8/2

On a wire rope hoist with a reeving 8/2, the deflection rollers are secured on the deflection roller crosshead using a bolt with a cover.

 

Rib screws M10x20

Deflection roller crosshead

 

Cover

*   Release the rib screws (2x) on the cover.

*   Take the cover off the deflection roller crosshead.

 

 

Deflection roller crosshead

Bolt

Deflection roller

 

*   Pull the bolt out of the deflection roller crosshead and deflection roller.

*   Pull the deflection roller out of the deflection roller crosshead.

 

 

 

 

Assembling the deflection roller

Deflection roller crosshead

 

Deflection roller

 

*   Push the deflection roller into the deflection roller crosshead.

 

 

Bush

Deflection roller crosshead

Deflection roller

Measurement bolt

*   Push the measurement bolt through the bush and the deflection roller in the deflection roller crosshead.

 

 

 

Deflection roller crosshead

Rib screw

Mount

*   Slide the mount onto the measurement bolt.

*   Screw on the mount with the rib screws (2x) M6x12. 19 Nm.

 

 

Only with wire rope hoist with reeving 8/2

 

Deflection roller crosshead

Bolt

Deflection roller

 

*   Push the deflection roller into the deflection roller crosshead.

*   Push the bolt through the deflection roller crosshead and deflection roller.

 

 

Rib screw M10x20

Deflection roller crosshead

 

Cover

*   Screw on the cover from the other side at the bolt with rib screws M10x20 (2x). 75 Nm.

 

 

 

 

Mounting the deflection roller crosshead

 

Deflection roller crosshead

Bearing bush

*   Mount the deflection roller crosshead on the bearing bushes.

When doing this, ensure that the deflection roller points in the direction of the hoist drive.

 

 

Bolt

*   Push the bolts (2x) into the deflection roller crosshead.

 

 

SL safety clip

Bolt

Deflection roller crosshead

*   Push the SL safety clips (2x) onto the bolts.

 

 

Only with wire rope hoist with reeving 8/2

On a wire rope hoist with a reeving 8/2, two deflection rollers are installed in the trolley frame.

 

Deflection roller crosshead

 

Suspension

*   Lift the deflection roller crosshead into the trolley frame.

 

 

Second deflection roller crosshead

 

*   Lift the second deflection roller crosshead into the trolley frame.

 

 

Metal plate

Rib screws M10x16

*   Place the plate on the trolley frame over the deflection roller crossheads and screw in with rib screws M10x16 (4x). 75 Nm.