Drive chain
Check the belts every 100 work hours for slackening and wear.
If necessary, tighten chain 2 as follows:
•
Slacken screw 1 and nut 6;
•
Push drive wheel 7 upward and re-tighten screw 1 and nut 6.
!
Caution!
After this adjustment, check and adjust as necessary the gap between the wheel 2 and the drive roller 3 (see
Fig. 4). Do not tighten the chain excessively so as not to place to much stress on the bearings.
Drive belts
Check the tension of the drive belts every 100 hours work. Belts 3, 4, and 5 are elastic and are kept tight automatically.
SWEEPER DRIVE SYSTEM (FIG.7)
7
1
2
3
4
33
6
5