Dynapac DTR75, Operating Instruction

Page: 96 / 120

3. Loosen the fastening screws (1) and push the coupling down.
4. Remove and replace the toothed belt (2).
5. Mark the position of the exciter shafts (1) with a downward
arrow.
6. Turn the left exciter shaft (2) by 180° and hold it in this posi-
tion.
7. Install the new toothed belt (1).
8. Use a suitable tool (e.g. spring balance) with a tensile force
of 90 – 120 N (66 – 89 lbs) to pull the coupling upwards until
the required compression measurement is reached.
ð
Compression measurement: 10 – 25 mm
(0.59 – 0.98 in).
9. Tighten the fastening screws (1).
10. Attach the cover.
Replacing the toothed belt
1
1
2
B-834-0275
Fig. 92
1
1
B-834-0276
Fig. 93
2
1
B-834-0277
Fig. 94
Tensioning the toothed belt
90 – 120 N
66 – 89 lbs
1 1
B-834-0273
Fig. 95
Maintenance – Annually
DTR75 96