lavina 25-X User Manual

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lavina 25-X User Manual Manual pdf 21 page image

Superabrasive User Manual Original Language Lavina® 25‐X 3/2015218.8 REPLACING THE PLANETARY DRIVEN CHAIN WHEELDismount the planetary chain and the tensioner and see Fig.8.5(MONTING NEW PLANETARY CHAIN).Dismount the tool holders, sealers and bottom cover see Fig.8.7(TENSIONING AND REPLACING THE BELTS). Unscrewthe cap that gives access to the fastening bolts of the driven chain wheel (Fig.8.8.1)(Fig.8.8.2). Roll the main head tothe position when from the hole of the cap you see a fastening bolt of the driven chain wheel (Fig.8.8.3).You will need magnetic deep metric socket 10mm with outside diameter not more than 11/16 in to unscrew the sixbolts (Fig.8.8.3)(Fig.8.8.4) (Fig.8.8.5).Driven Chain Wheel is composed by two symmetrical halfs(Fig.8.8.6). Mount on the reverse order.8.9 REPLACING THE PULLEY UNITSDismount guard, top cover, maintenance window chain tensioner, driven chain wheel, bottom cover and belts as previousdescribed.Unscrew the four bolts of each pulley between the base plate and the motor basedisc (Fig.8.9.1)(Fig.8.9.2) and dismount the pulley (Fig.8.9.3).A seal (Fig.8.9.4) should be placed on top of the pulley before mounting.Figure 8.8.1 Figure 8.8.2 Figure 8.8.3Figure 8.8.4 Figure 8.8.5 Figure 8.8.6Figure 8.9.1 Figure 8.9.2 Figure 8.9.3Figure 8.9.4