Yamaha YV-520 Owner's Manual - Page 18

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ASSEMBLY: YV-3910/3710/3700

Set the synchro belts (fan belts)*.

9-1

First, wrap the synchro belt around the driver pulley and then carefully slide it over the

fan side pulley.

* Note For Service Personnel

If the belt cannot be mounted because the distance between pulleys is too wide,

or the belt slips due to a too narrow pulley distance, loosen the two driver

positioning screws (see illustration below) to adjust the pulley distance (belt

tension). Tighten the screws securely after adjustment.

Synchro Belt

(Fan Belt)

Driver Side

Pulley

Fan Side

Pulley

* In case the belt is misplaced or worn, the following spare part may be ordered:

Part No.

W5128092

Driver Positioning

Screws

Synchro Belt (Fan Belt)

* Slide belt over the pulley.

Part Name

Specification

Synchro Belt

18OTN15-3.0