Steering and Braking
Circuit/Mechanical Descriptions
Four casters support the 9800 C-Arm. The front two casters are offset; the rear two casters are not (An offset caster is one that
trails to the rear as the supported device moves forward, much like a wheel on a grocery cart.) There are two smaller casters at
the front of the C-Arm and two larger casters at the rear. The larger rear casters are steerable and have internal brakes that keep
the C-arm from rolling on inclines. A balance wheel at the rear of the C-arm is a safety feature that prevents the C-arm from
tipping backwards on inclines or during maintenance.
Front Casters
The front casters rotate freely about the vertical axis, and automatically trail to the rear as you push the generator forward. The
front casters have no brakes and are not steerable. The front casters are simple devices that support the front end of the C-Arm.
They have sealed bearings and usually require no maintenance unless they are damaged. Refer to the Replacement section of
this manual for instructions on how to install new front casters.
Front Casters
2
Service
Periodic Maintenance
Contents
Schematics
Illustrated Parts
Installation
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