Yamaha YV-3710 Owner's Manual download pdf (Page 18)

Synchro Belt (Fan Belt)

* Slide belt over the pulley.

Part No. Part Name Specification

W5128092 Synchro Belt 18OTN15-3.0

. 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.

Driver Side

Fan Side

Pulley

Synchro Belt

(Fan Belt)

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.

Driver Positioning

Screws

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

ASSEMBLY: YV-3910/3710/3700

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Yamaha YV-3710 Owner's Manual Page 18