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SP7060 PAVEMENT SAW • OPERATION MANUAL — REV. #0 (02/13/09) — PAGE 45
MAINTENANCE
BELTS AND PULLEYS
This saw uses a pair of Blade Shaft Drive Belts (5G 3VX
530) and a Hydrostatic Pump Belt (AX-35).
V-Belt Tension
The V-belt tension on this saw is automatically controlled
by the hydraulic system that actuates the blade shaft
engage/disengage system. Hydraulic pressure exerted on
the engine tilt cylinder applies force on the belt drive system
to engage blade shaft rotation.
Figure 48. Belt Locations
1. Blade Shaft Drive Belt
2. Pump Drive Belt
3. Belt Tensioner Pulley
1
2
3
CAUTION — Keep belts clean
Keep belts clean of foreign material that may cause
slippage. Never dress belts as this can cause premature
failure.
Engine must be at idle when engaging or disengaging blade
shaft drive:
To STOP Blade shaft Rotation:
Push rocker switch labeled BLADE SHAFT forward. Engine
will tilt forward, disengaging the drive belt.
To START Blade shaft Rotation:
Push rocker switch lableled BLADE SHAFT backward.
Engine will tilt back, engaging the belt drive.
Figure 49. Belt Drive System
1. Engine Sheave
2. Tensioner Nut
3. Tensioner Base
4. Jackshaft Pulley
5. Tensioner Pulley
1
2
4
3
5