DAF LF45, LF55 Series. Manual - part 617
9
LF45/55 series
General
CHASSIS
1-5
1.3 REPLACING THE RIVETS BY BOLTS
Note:
A rivet may either be replaced by a flange bolt
M14 x 2, property class 8.8 (DIN 6921), or a
flange bolt M16 x 2, property class 10.9.
Removing the rivet
1.
Remove the rivet head. Make sure not to
damage the chassis during this procedure.
2.
Use a 10 mm drill to drill a hole in the rivet.
Remove the rivet from the chassis.
Installing flange bolt M14
1.
Ream the rivet hole to fit 14 H7 (14 + .000 -
14 + .018 mm). Make sure not to damage
any lines running behind the rivet hole.
Deburr the edges.
2.
Repair the chassis lacquer coating. The
new paintwork should be no thicker than
50 microns.
3.
It is important that part of the bolt shank is
not threaded. Determine the length (L) of
the non-threaded shank part using the
formula below.
L = T1 + T3, in which T3 must be
>
1
/
2
T2.
L = shank length without thread
T1 = part to be clamped
T2 = part to be clamped
4.
Tighten the flange bolt to the standard
tightening torque for bolts, property class
8.8.
L
T3
T1
T2
C9 00 295
2
ǹ 0207