86 10... Removing overrunning equipment/maintaining or replacing guide bush/installing overrunning equipment

After installing overrunning equipment, readjust brake system,

REFER TO 86 10... ADJUSTING BRAKE SYSTEM 

Check the guide bush while installed to ascertain whether it needs to be replaced. Raise ball end area and replace guide bush if play is detected in ball end area.

Release round head screws (1) and remove running board (2) towards top.

Installation 

Use new self-locking nuts.

Tightening Torque,

Refer to TIGHTENING TORQUE 86 10 10AZ.

Fig 1: Identifying Running Board With Round Head Screws

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Unhook tension spring (1) from tension spring mount (2).

Fig 2: Identifying Tension Spring With Mount

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Release screw (1) on pull rod (2) and remove hexagon nut. Slide brake compensator (3) towards rear.

Installation 

Use new self-locking nut.

Fig 3: Identifying Brake Compensator With Pull Rod And Screws

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Release screws (1) on jockey wheel mount and remove.

Release wiring harness mount (2) and remove.

Reinstall screw and tighten until hand-tight.

Installation 

Tightening Torque for jockey wheel mount (1),

Refer to TIGHTENING TORQUE 86 10 11AZ.

Tightening Torque for wiring harness mount (2),

Refer to TIGHTENING TORQUE 86 10 12AZ.

Fig 4: Identifying Screws On Jockey Wheel Mount And Wiring Harness Mount

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Release screw on socket holder (1) and remove. Cut through strap (2) and lay wiring harness to one side. Pull gaiter (3) in direction of arrow.

Installation 

Use new self-locking nut.

Tightening Torque,

Refer to TIGHTENING TORQUE 86 10 13AZ.

Fig 5: Pulling Gaiter

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Remove protective caps (1).

Fig 6: Identifying Protective Caps

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Release nuts (1) and remove.

Installation 

Use new self-locking nuts.

Tightening Torque,

Refer to TIGHTENING TORQUE 86 10 14AZ.

Fig 7: Identifying Hand Brake Lever Nuts

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Tilt top reversing housing (1) in direction of arrow towards rear. Slide out top reversing housing (1) and bottom reversing housing with handbrake lever unit (2) in direction of arrow towards rear.

Fig 8: Tilting Reversing Housing

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Remove holder (1) towards bottom.

Fig 9: Removing Holder

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Pull drawbar member (1) in direction of arrow and pull out overrunning equipment (2) in direction of arrow towards front.

Fig 10: Pulling Drawbar Member And Overrunning Equipment

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Remove spacer tubes (1) and threaded pins (2) from guide bush (3).

Fig 11: Identifying Spacer Tubes And Threaded Pins Of Guide Bush

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Press pins (1) inwards. Detach counter support (2) and guide bush (3).

Maintenance 

Grease tow tube (4) and attach guide bush (3).

Installation 

Secure counter support (2) with new clamping sleeves to tow tube (4).

Fig 12: Identifying Guide Bush, Tow Tube And Counter Support With Pins

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Insert spacer tubes (1) and threaded pins (2) in guide bush (3).

Make sure spacer tubes (1) are correctly seated in guide bush (3).

Fig 13: Identifying Spacer Tubes And Threaded Pins With Guide Bush

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Using a screwdriver, link spacer tubes (1) and shock absorber located in tow tube. This ensures that the shock absorber remains in the correct installation position. Pull drawbar member (2) in direction of arrow and push in overrunning equipment (3) in direction of arrow towards rear.

Fig 14: Pulling Drawbar Member

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