DUMP BODY (Cont).
A grease fitting on each body prop pivot point allows for lubrication.
Lubrication-Free Bearings. There are composite, lubrication-free bearings with removable pins
at the rear hinge and at the hydraulic cylinder pivot points.
e. Transport Lock.
A manually-operated transport lock is mounted on the left side of the dump body, near the
front; it locks and unlocks the dump body from the truck frame. For normal operation, it is unlocked.
The transport lock is placed in the locked position when the dump truck is being lifted and
transported. This actuates a transport lock switch, which disengages the PTO, thereby preventing the PTO from
operating to power the hydraulic cylinder.
Cargo Coverw. A cargo cover helps prevent the load from spilling out. It is extended or retracted
using the control handle or the removable crank handle.
Tailgate Configuration. The M917A1 and M917A1 w/MCS differ in tailgate configuration:
(a) The M917A1 uses a nine-panel conventional tailgate that opens from the bottom to
dump the load. Adjustment chains, mounted to the tailgate, control the tailgate opening for spreading operations.
A tailgate release control valve lever, located on the instrument panel inside the cab,
controls the tailgate release air cylinder mounted under the dump body to unlock and lock the tailgate at the bot-