Perkins — GENERAL INFORMATION

A Perkins service procedure — check it applies to your exact model before use.

Procedure

Turn the bypass valve 90_ from the normal position before winching the machine onto the truck or trailer. See PUSHING OR TOWING THE MACHINE section of this manual. Make sure the machine is centered. FOR SAFETY: When loading machine onto truck or trailer, use winch. Do not drive the machine onto the truck or trailer unless the loading surface is horizontal AND is 380 mm (15 in) or less from the ground.
Position the machine onto the truck or trailer as far as possible. If the machine starts to veer off the centerline of the truck or trailer, stop and turn the steering wheel to center the machine.
Set the parking brake and block the machine tires. Tie down the machine to the truck or trailer before transporting. The two front tie--down locations are through the U--bolt section of the main frame in front of the wheels. The two rear tie--down locations are through the U--bolt section of the main frame under the side bumpers toward the rear.
If the loading surface is not horizontal or is higher than 380 mm (15 in) from the ground, use a winch to unload machine. If the loading surface is horizontal AND is 380 mm (15 in) or less from the ground, the machine may be driven off the truck or trailer. FOR SAFETY: When unloading machine off truck or trailer, use winch. Do not drive the machine off the truck or trailer unless the loading surface is horizontal AND 380 mm (15 in) or less from the ground. 08576

Source: manual:tennant-800-810-rider-floor-sweeper-service-manual.pdf. Figures and steps are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.