The work lights may impair the vision of drivers of
approaching vehicles, which may cause injury or
public roads or accesses, ensure that the work
light switch is in the OFF position. Refer to
Operation Section, Monitoring Systems and Cab
Features, Work Light Switch in this manual.
Travel at moderate speeds. Do not exceed the speed
limit on public roads.
NOTE: The maximum travel speed of the machine is
48 kph (30 mph). Maximum attainable speed is
dependent on ambient temperature, oil level, and oil
weight. The fluids must be at normal operating
temperature, and the machine must be operated on
level terrain to reach 48 kph (30 mph).
Reduce travel speed if directional stability is
noticeably diminished. Always use the seat belt
when operating the machine. Loss of machine
control can result in injury or death.
General Ripping Technique
When the back rippers are used, the machine should
be operated in the EARTHMOVING mode with the
transmission in FIRST SPEED REVERSE. If additional
production is required, use additional shanks instead
of increasing the ripping speed.
When ripping is performed, the machine must be driven
in a straight line. Also, all four rippers must be used at the
same time or rippers must be used in symmetrical pairs.
Do not turn the machine while the ripper shanks are in
the ground. The shanks may fail if they are twisted.
Use the accelerator pedal to match the drawbar pull
to the underfoot conditions. Do not allow the drive belt
Rip the ground as deep as the underfoot conditions
will allow. Partial depth ripping may be required.
Remove the material in natural layers.
The depth and width of the pass control the sizing of
the ripped material.
The back rippers are not intended for use in rock or in
deep ripping applications. Only use the ripper shanks
which are specified in Parts Manual, Deployable
Universal Combat Earthmover (DEUCE).
Ripping Technique for Packed Soil,
Hardpan, or Clay
Follow the recommendations given in General Ripping
Use the greatest possible number of shanks to break
the material to the desired size. The number of shanks
used should not cause the machine to stall or hang
NOTE: Four shanks usually work well in these
Operation in High Ambient
Temperatures (Above 380C [1000F1)
In high ambient temperatures, the gauges must be
checked more often. If a system is overheating,
reduce the load, and allow the system to cool to
normal operating temperature.
To prevent the fuel from overheating, the fuel level should
be maintained above one-half of a tank. Overheated fuel
can cause reduced power and possibly damage the fuel
The operators preventative maintenance checks and
services should be performed more often than normal.
Refer to Appendix A, Operators Preventive Maintenance
Checks and Services (OPMCS) - DEUCE. Contact Unit
Maintenance for assistance in determining new