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.

NOTE: After installing, readjust and check brake system.

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

Installation:

Use new self-locking nuts.

Tightening Torque: 86 10 10AZ, see 86 10 PLATFORM .

Fig 1: Identifying Round Head Screws & Running Board

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

Fig 2: Identifying Tension Spring & Tension Spring Mount

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CAUTION: Once nut (1) of pull rod (2) has been released, do not move handbrake lever. Handbrake lever can flick upwards.

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, Screw & Rod

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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), 86 10 311AZ, see 86 10 PLATFORM .

Tightening Torque for wiring harness mount (2), 86 10 12AZ, see 86 10 PLATFORM .

Fig 4: Identifying Wiring Harness Mount & Screws

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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: 86 10 13AZ, see 86 10 PLATFORM .

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: 86 10 14AZ, see 86 10 PLATFORM .

Fig 7: Identifying Self-Locking 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: Sliding Out Top 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: Removing Overrunning Equipment

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

Fig 11: Identifying Spacer Tubes, Threaded Pins & 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 Pins, Counter Support & Guide Bush

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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, Threaded Pins & 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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