Fayat Group BOMAG BW 213 D-5, Operating Instruction, Maintenance Instruction

Page: 157 / 222

3. Actuate the push button (b) evenly with a
finger under a right angle to the belt, until
the pressure spring disengages audibly
and noticeably.
ð
The indicator arm remains in the meas-
ured position.
4. Take the measuring unit carefully off,
without moving the indicating arm.
5. Read the belt tension where the upper
edge of the indicating arm intersects with
the measuring scale.
Tab. 6: Belt tension nominal value
during initial
assembly (new belt)
650 ± 50 N
(145 ± 10 lbf) (cold)
after a running in-
time, with reas-
sembly
400 ± 50 N
(90 ± 10 lbf)
6. Tighten the belt, if necessary.
8.7.2.3 Tensioning the fan V-belt
1. Slightly loosen the fastening screws belt
tensioning device.
2. Tension the V-belt with the tensioning
device, until the correct tension is reached.
3. Tighten the fastening screws again.
Fig. 109
Fig. 110
Fig. 111
Maintenance – Every 250 operating hours
BW 213 D-5 157