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14-5 POWER TRANSMISSION TO DRIVE MACHINES
14-5-1 BELT DRIVE
Note the following:
• Use a V-belt rather than a flat belt.
• The drive shaft of the engine must be parallel to the drive shaft of the driven machine.
• The drive pulley of the engine must be in line with the driven pulley of the machine.
• Install the engine pulley as close to the engine as possible.
• If possible, span the belt horizontally.
• Disengage the load when starting the engine.
A belt tensioner or similar should be installed if no clutch is used.
14-5-2 FLEXIBLE COUPLING
When using a flexible coupling, run-out and misalignment between the driven shaft and the engine shaft
should be minimized.
The permissible margin of run-out and misalignment is specified by the flexible coupling manufacturer.