DAF LF45, LF55 Series. Manual — part 612
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LF45/55 series
Shock absorbers, stabilisers, torque rods and leaf suspension
TECHNICAL DATA
2-1
2. SHOCK ABSORBERS, STABILISERS, TORQUE RODS AND LEAF
SUSPENSION
2.1 GENERAL
Fixing the attachment bolts for the leaf
spring
Ensure that when fixing the attachment bolts (1)
for the leaf spring that the leaf spring is at the
prescribed height (A). The height (A) is to be
measured above the axle, between the top edge
of the chassis cross member and the underside
of the leaf spring.
2
A
1
1
C9 00 409
Front axle
MODEL
HEIGHT (A)
frontmost attachment point (1)
rearmost attachment point (2)
LF45 All models
404 mm
459 mm
LF45 All models
502 mm
566 mm
Rear axle
MODEL
HEIGHT (A)
LF45 7.5T GVW
295 mm
LF45 7.5T GVW A-symmetric
295 mm
LF45 10-12T GVW
327 mm
LF45 10-12T GVW A-symmetric
295 mm
LF55 13-15T GVW
391 mm
LF55 13-15T GVW A-symmetric
362 mm
LF55 16-18T GVW
414 mm
LF55 16-18T GVW type Kipper
391 mm
LF55 16-18T GVW A-symmetric
362 mm
Note:
With the rear axle height (A) applies to both
the frontmost (1) and the rearmost attachment
point (2) of the leaf spring.
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TECHNICAL DATA
Shock absorbers, stabilisers, torque rods and leaf suspension
LF45/55 series
2-2
Transverse guide torque rod, air sprung
rear axle LF45
Fitting angle (A) for mounting rubber on rear
axle side
8 - 12
°
A
C9 00 408
Torque rods stabiliser length (A)
A is the centre-to-centre-distance between the
attachment points.
Front axle
LF45 all models
342 - 344 mm
LF55 all models
348 - 352 mm
Rear axle
LF55 FAN steered rear axle
598 - 602 mm
A
C9 00 413
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LF45/55 series
Shock absorbers, stabilisers, torque rods and leaf suspension
TECHNICAL DATA
2-3
2.2 TIGHTENING TORQUES
The tightening torques stated in this paragraph
are different from the standard tightening
torques stated in the overview of the standard
tightening torques. The other threaded
connections which are not stated must therefore
be tightened to the tightening torque stated in
the overview of standard tightening torques.
When attachment bolts and nuts are to be
replaced, it is important - unless stated
otherwise - that these bolts and nuts are of
exactly the same length and property class as
the removed ones.
U-bolt nuts
MODEL
FRONT AXLE
REAR AXLE
LF45 all models
215 Nm*
468 Nm*
LF55 13 - 15 ton GVW
468 Nm*
468 Nm*
LF55 16-18 ton GVW Leaf suspension
537 Nm*
537 Nm*
LF55 16-18 ton GVW Air suspension
537 Nm*
880 Nm*
LF55 FAN steered rear axle
468 Nm*
*
Tighten the U-bolt nuts evenly and
alternately.
Shock absorbers
If using self-locking nut M14x2
52 Nm
Front axle torque rod locking nut
LF45
135 Nm
LF55
80 Nm
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TECHNICAL DATA
Shock absorbers, stabilisers, torque rods and leaf suspension
LF45/55 series
2-4
LF45 rear axle, air suspension
C9 00 323
A
B
C
D
E
A
M14 shock absorber attachment nut
52 Nm
B
M12 air bellows attachment nut
31 Nm
C
M20 bolt
525 Nm
D
M12 air bellows attachment nut
60 Nm
E
M20 shock absorber attachment bolt
525 Nm
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