DAF LF45, LF55 Series. Manual — part 155
©
200505
6-1
CE engine lubrication system
TECHNICAL DATA
ΛΦ45/55 series
2
0
6. CE ENGINE LUBRICATION SYSTEM
6.1 GENERAL
Oil pressure
Oil filter
Oil cooler
Lubricating oil pump
Lubricating oil pressure at engine idling speed
min. 0.69 bar
Lubricating oil pressure at full-load engine speed
min. 2.07 bar
Bypass pressure regulator opening pressure
3.52 bar
Type
disposable filter
Number
1
Location in the oil circuit
full flow
Oil cooler pressure test temperature
approx. 60
C
Oil section test pressure
4.5 - 5.0 bar
Opening pressure of bypass valve at a pressure
difference of
3.45 bar
M201077
Maximum clearance,
inner rotor - outer
rotor
0.178 mm
M201076
Maximum clearance,
outer rotor - pump
housing
0.381 mm
TECHNICAL DATA
6-2
©
200505
CE engine lubrication system
0
ΛΦ45/55 series
2
Lubricating oil pump gear backlash
Oil consumption
Example:
Average measured fuel consumption:
25 litres/100 km = 250 litres/1000 km
Maximum permissible engine oil consumption:
0.5% x 250 = 1.25 litres/1000 km
-
Engine oil consumption of 1.25 litres /
1000 km is permissible
-
Engine oil consumption > 1.25 litres /
1000 km; check the engine using the
diagnostics table. See "Diagnostics".
M201075
Maximum clearance
of inner and outer
rotor relative to the
pump housing,
measured with a
straight edge
0.127 mm
Lubricating oil pump idler gear - lubricating oil
pump gear
0.25 - 0.30 mm
Crankshaft gear - lubricating oil pump idler gear
0.15 - 0.25 mm
Crankshaft gear - lubricating oil pump gear
0.30 - 0.50 mm
Maximum permissible engine oil consumption
0.5% of the average fuel consumption
©
200505
6-3
CE engine lubrication system
TECHNICAL DATA
ΛΦ45/55 series
2
0
6.2 TIGHTENING TORQUES
The tightening torques stated in this section are
different from the standard tightening torques
stated in the overview of the standard tightening
torques. The other threaded connections not
specified must therefore be tightened to the
torque stated in the overview of standard
tightening torques.
When attachment bolts and nuts are replaced, it
is important that - unless stated otherwise - these
bolts and nuts are of exactly the same length and
property class as those removed.
Oil filter
Oil sump
(1) Tighten the attachment bolts in the order indicated
Oil cooler
(1) Tighten the attachment bolts in the order indicated
Attachment bolts to connect filter head to engine
block
24 Nm
11
1
3
9
12
4
2
10
M201079
16
14
13
15
5
7
6
8
Oil sump attachment
bolts
24 Nm
Oil drain plug
60 Nm
M201145
3
4
8
13
12
7
2
10
6
1
5
9
15
14
11
Attachment bolts
connecting oil cooler
to cylinder block
24 Nm
TECHNICAL DATA
6-4
©
200505
CE engine lubrication system
0
ΛΦ45/55 series
2
Oil pump
Turbocharger oil supply pipe
6.3 FILLING CAPACITIES
Lubrication system
Attachment bolts
24 Nm
Union on filter head
24 Nm
Union on turbocharger
28 Nm
Total capacity, including oil cooler and oil filter
19.5 litres
Oil sump capacity, maximum level
17.5 litres
Oil sump capacity, minimum level
15.5 litres
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