DAF LF45, LF55 Series. Manual - part 262

©

 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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