Multiquip SP303526, SP303516, SP303530 manual Replacing the Jack Shaft Belt, Rotary Belt Tensioner

MQ SP-3035 CONCRETE SAW

Replacing the Jack Shaft Belt

WARNING

NEVER attempt to check or adjust the V-belt tension with the engine running. Severe injury can occur. Keep fingers, hands, hair, and clothing away from all moving parts.

1.Remove the Belt Guards (see Figs. 26 & 29).

2.Loosen the Rotary Tensioner.

3.Remove the Spindle Belt (see above).

4.Remove and replace the Jack Shaft Belt.

5.Replace the Spindle Belt (see above).

6.Adjust the Rotary Tensioner.

Rotary Belt Tensioner

The Rotary Belt Tensioner system uses a 3/4”-headed bolt and either a 15/16” or 1” nut to set belt tension. Adjust Tension Nut to apply tension to the belt. Ridges on the Tensioner Arm gauge the amount of tension applied.

1.Loosen the Tensioner Lock Bolt Head.

2.Adjust the Tensioner Nut for proper belt tension. (This will be achieved at approximately 1-1/2 ridges on the gauge.)

3.Tighten the Tensioner Lock Bolt Head.

Jack Shaft Pulley

The Tensioner Nut is

on opposite sideTensioner Lock Bolt Head

Tensioner Base

Tensioner Pulley

Fig. 30 — Jack Shaft Belt and Rotary Belt Tensioner System

MQ SP-3035 CONCRETE SAW — OPERATION AND PARTS MANUAL — REV. #3 (09/29/06) — PAGE 44