DAF CF65, CF75, CF85 Series . Manual — part 958

©

200423

1

Contents

STEERING BOX

ΧΦ65/75/85 series

7

3

3 Steering box

CONTENTS

Page

Date

1.

SAFETY INSTRUCTIONS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 . . . . . 200423
1.1

Safety instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 . . . . . 200423

2.

GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1 . . . . . 200423
2.1

Overview drawing, steering box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1 . . . . . 200423

2.2

Operation of the steering box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2 . . . . . 200423

3.

INSPECTION AND ADJUSTMENT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1 . . . . . 200423
3.1

Inspection and adjustment, wheel deflection limiting valves . . . . . . . . . . . 3-1 . . . . . 200423

3.2

Inspection and adjustment, pressure point . . . . . . . . . . . . . . . . . . . . . . . . 3-7 . . . . . 200423

3.3

Inspection, sector shaft sealing ring leaks. . . . . . . . . . . . . . . . . . . . . . . . . 3-9 . . . . . 200423

3.4

Inspection, internal steering box resistance . . . . . . . . . . . . . . . . . . . . . . . 3-10 . . . . 200423

3.5

Inspection, pitman arm part number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-12 . . . . 200423

4.

REMOVAL AND INSTALLATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1 . . . . . 200423
4.1

Removal and installation, entire steering box . . . . . . . . . . . . . . . . . . . . . . 4-1 . . . . . 200423

4.2

Removal and installation, steering bracket . . . . . . . . . . . . . . . . . . . . . . . . 4-4 . . . . . 200423

4.3

Removal and installation, pitman arm . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-6 . . . . . 200423

4.4

Removal and installation, input shaft seal . . . . . . . . . . . . . . . . . . . . . . . . . 4-9 . . . . . 200423

4.5

Removal and installation, sector shaft oil seal in the side cover . . . . . . . . 4-12 . . . . 200423

4.6

Removal and installation, sector shaft oil seal on the pitman arm side . . . 4-14 . . . . 200423

4.7

Removal and installation, pressure-limiting valve . . . . . . . . . . . . . . . . . . . 4-18 . . . . 200423

STEERING BOX

2

©

200423

Contents

3

ΧΦ65/75/85 series

7

©

200423

1-1

Safety instructions

STEERING BOX

ΧΦ65/75/85 series

7

3

1. SAFETY INSTRUCTIONS

1.1 SAFETY INSTRUCTIONS

Be careful when tilting the cab or

when working under the tilted cab if

the steering bracket is to be

inspected or replaced because of a

collision. Vital parts of the cab

suspension may have been

damaged. Take the necessary

precautions.

If the vehicle has been involved in a collision in

which the steering box or other components of

the steering gear have (possibly) been damaged,

the steering box should always be sent to DAF for

inspection or be replaced. This instruction even

applies if no external damage is visible. In the

collision, the steering box may have sustained

internal damage, causing it to be unreliable.

If the pitman arm has been subjected to

extremely high loads (accident), it should be

magnaflux tested, even if no deviations can be

found with the naked eye.

If such a test is not possible, the pitman arm

should be replaced at all times.

The pitman arm should only be removed using

the prescribed special tools.

Under no circumstances should the pitman arm

be removed by dislodging it using a hammer or by

heating, if the prescribed tools are not available.

This would not only result in the pitman arm

becoming highly unreliable, it would also

permanently damage the sector shaft.

With steering boxes, only the input shaft oil seal,

the sector shaft seals, the dirt and water seals

and the side cover gasket may be replaced.

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STEERING BOX

1-2

©

200423

Safety instructions

3

ΧΦ65/75/85 series

7