Superabrasive
User Manual Original Language
Lavina® 30GEB
1/2021
35
8.13 REPLACING THE PLANETARY DRIVEN CHAIN WHEEL
Dismount the planetary chain and the tensioner and see Fig.8.9(MONTING NEW PLANETARY CHAIN).
Dismount the tool holders, sealers and bottom cover see Fig.8.11(TENSIONING AND REPLACING THE BELTS).
Unscrew the cap that gives access to the fastening bolts of the driven chain wheel (Fig.8.12.1)(Fig.8.12.2). Roll
the main head to the position when from the hole of the cap you see a fastening bolt of the driven chain wheel
(Fig.8.12.3).
You will need magnetic deep metric socket 10mm with outside diameter not more than 11/16 in to unscrew the
six bolts (Fig.8.12.3)(Fig.8.12.4) (Fig.8.12.5).
Driven Chain Wheel is composed by two symmetrical halfs(Fig.8.12.6). Mount on the reverse order.
8.14 REPLACING THE PULLEY UNITS
Dismount guard, top cover, maintenance window chain tensioner, driven chain wheel, bottom cover and belts as previous
described.
Unscrew the four bolts of each pulley between the base plate and the motor base
disc (Fig.8.13.1)(Fig.8.13.2) and dismount the pulley (Fig.8.13.3).
A seal (Fig.8.13.4) should be placed on top of the pulley before mounting.
Figure 9.8.6
Figure 8.12.1
Figure 8.12.2
Figure 8.12.3
Figure 8.12.4
Figure 8.12.5
Figure 8.12.6
Figure 8.13.1
Figure 8.13.2
Figure 8.13.3
Figure 8.13.4
