DAF LF45, LF55 Series. Manual — part 262

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200508

2-3

Description of components

ALLISON MD 3060 AUTOMATIC GEARBOX

ΛΦ45/55 series

3

8

Faults

If the oil level indicator cannot give the correct oil

level, one of the following codes will appear in the

display.

The oil level reading function can be left by

pressing "D", "N", or "R".

Note: the function cannot be left by pressing the

arrow keys again, as this prompts the diagnostic

code reading function. All diagnostic codes are

preceded by the letter D followed by a number

between 1 and 5. In this function, important fault

codes could be deleted from the memory by an

unqualified user.

OL - 50

Engine speed too low

OL - 59

Engine speed too high

OL - 65

Gearbox is not in neutral

OL - 70

Gearbox oil temperature too low

OL - 79

Gearbox oil temperature too high

OL - 89

Output shaft is not stationary

(handbrake)

OL - 95

Oil level indicator is defective

ALLISON MD 3060 AUTOMATIC GEARBOX

2-4

©

200508

Description of components

8

ΛΦ45/55 series

3

©

200508

3-1

Inspection and adjustment

ALLISON MD 3060 AUTOMATIC GEARBOX

ΛΦ45/55 series

3

8

3. INSPECTION AND ADJUSTMENT

3.1 CHECKING AUTOMATIC GEARBOX OIL LEVEL

Checking cold oil level
1.

Place the vehicle on a flat and level surface.

2.

Make sure that the gearbox is in neutral and

allow the engine to run for several minutes.

3.

Apply the service brake, switch the gearbox

to D, then to N and finally switch the gearbox

to R. The purpose of this is to fill the hydraulic

system.

4.

Switch the gearbox to the parking position

and release the service brake.

5.

Remove the dipstick when the engine is

idling and wipe it clean with a lint-free cloth.

Note:

To take the dipstick out of the holder, the

sealing cap must be held while the dipstick is

turned anti-clockwise.

6.

Put the dipstick back.

7.

Remove the dipstick and check the oil level.

The oil level should be between the "Cold

add" and "Cold full" marks.

8.

Clean the dipstick with a lint-free cloth and

put it back.

9.

Remove the dipstick and check the oil level

again.

10. Oil needs to be added when the oil level is

below the "Cold add" mark.

11. Check the oil level in the gearbox at

operating temperature.

HOT FULL

COLD FULL

HOT ADD

COLD ADD

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ALLISON MD 3060 AUTOMATIC GEARBOX

3-2

©

200508

Inspection and adjustment

8

ΛΦ45/55 series

3

Checking hot oil level
1.

Bring the gearbox up to operating

temperature (approx. 71

″C - 93″C).

2.

Remove the dipstick when the engine is

idling and wipe it clean with a lint-free cloth.

Note:

To take the dipstick out of the holder, the

sealing cap must be held while the dipstick is

turned anti-clockwise.

3.

Put the dipstick back.

4.

Remove the dipstick and check the oil level.

5.

The oil level should be between the "Hot

add" and "Hot full" marks.

6.

Clean the dipstick with a lint-free cloth and

put it back.

7.

Remove the dipstick and check the oil level

again.

8.

Oil needs to be added when the oil level is

below the "Hot add" mark.

9.

Oil needs to be drained when the oil level is

above the "Hot full" mark.

Note:

The oil level must be checked at least twice.

When there are differences between the

measurements, check the bleeder for

clogging.

HOT FULL

COLD FULL

HOT ADD

COLD ADD

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