center of gravity of the load. Both the vertical and horizontal
load centers are specified on the Nameplate.
Loads should be transported while centered on the centerline
of the lift truck. The operator must know whether or not a load
is within the maximum capacity of the lift truck before the load
is handled.
Impact Sensor
The lift trucks covered in this Operating Manual may be
equipped with an optional impact sensor that can be enabled
or disabled by a service technician. The impact sensor will
sense when the lift truck has hit an object, and will cause the
lift truck to shutdown. There are two types of impact that the
Vehicle System Manager (VSM) recognizes: soft impact and
hard impact.
The data parameters that determine whether an impact is a
soft or hard one are entered into the lift truck's VSM by per-
sonnel with a service password (see Operator Passwords in
this section).
If the impact sensor option is enabled and an impact has
been detected, then lift truck will shut down once the Impact
Shutdown Timer has expired (range is from 0 to 30 seconds).
During this time an alarm will sound and the Impact Detection
icon will be displayed on the LCD screen. If the time is set to
0 seconds, the lift truck will shut down right after the impact
is detected and no alarm will sound.
The Impact Shutdown Timer and other Impact related setup
parameters can be set by either a service technician or
supervisor.
The truck can be configured to completely shut down after an
impact, which will include the electro-hydraulic functions. If a
load is in the raised position and needs to be lowered, see
Load Handling, Emergency Load Lowering and Fig-
ure 14.
Once shutdown, the lift truck cannot move until the impact
sensor is reset by a supervisor or service technician. A mes-
sage will display on the LCD screen any time the accelerator
pedal is depressed (or hydraulic lever is moved, if configured
to shut the truck completely down) while the truck is shut
down.
To clear messages and reset truck to normal operation, an
Impact reset must be performed by either a service techni-
cian or supervisor. See User Interface, Supervisor 2200
YRM 1130 or User Interface, Service 2200 YRM 1131 for
procedures.
Operating Procedures
63
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