DAF LF45, LF55 Series. Manual - part 241

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 200508

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Inspection and adjustment

ZF S5-42 GEARBOX

ΛΦ45/55 series

3

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3. INSPECTION AND ADJUSTMENT

3.1 CHECKING GEARBOX OIL LEVEL

To prevent skin injury, avoid 

unnecessary contact with the 

drained oil.

1.

Place the vehicle on a flat and level surface.

2.

Wait for some minutes to allow the oil to flow 

back.

3.

Remove the level check/filler plug (2) and 

check the oil level.

4.

The oil level must reach the rim of the level 

check/filler opening.

5.

After checking the oil level, tighten the level 

check plug to the specified torque. See 

"Technical data".

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ZF S5-42 GEARBOX

3-2

©

 200508

Inspection and adjustment

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ΛΦ45/55 series

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3.2 INSPECTING AND ADJUSTING INPUT SHAFT PRE-LOAD

Inspecting and adjusting input shaft pre-load
1.

Remove the gearbox. See "Removal and 

installation".

2.

Remove the gearbox front cover from the 

input shaft. See "Removal and installation".

3.

Uniformly press the outer bearing race (4), 

so that the bearing is free of play. Constantly 

rotate the input shaft while applying pressure 

so that the bearing is set.

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©

 200508

3-3

Inspection and adjustment

ZF S5-42 GEARBOX

ΛΦ45/55 series

3

4

4.

Use a depth gauge to measure the depth 

from the front of the housing down to the 

outer bearing race, distance A.

5.

Use a depth gauge to determine the height 

the ball bearing protrudes from the gearbox 

front cover to the attachment surface, 

distance B.

6.

For the pre-load tolerance, see "Technical 

data".

7.

Using a micrometer, measure the thickness 

of the oil baffle (6).

8.

Calculate the thickness of the adjusting ring 

(5) according to the following example:

9.

Compare the value of the adjusting ring with 

the calculated value and replace the ring if 

necessary.

10. Fit a new gasket (2) in the gearbox front 

cover (1) and fit it on the gearbox. See 

"Removal and installation".

11. Fit the gearbox. See "Removal and 

installation".

V301011

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Distance A

17.5 mm

Distance B

15.7 mm

Thickness of oil baffle

0.3 mm

Pre-load tolerance

+ 0.5 mm

Adjusting ring thickness

1.55 mm

ZF S5-42 GEARBOX

3-4

©

 200508

Inspection and adjustment

4

ΛΦ45/55 series

3