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Page 5
Ramp Components
Refer to the Terminology Illustra-
tions on pages 2 and 3.
Pan Weldment (Housing):
The pan is the stainless steel
(casing) mounted in the vehicle
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hydraulic pump and electrical
components that power the ramp
electric/hydraulic systems. The
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components from above. The
cover is easily removed for ac-
cess to drive components. The
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surface for entry and exit when
the ramp is deployed. The
RA300 stows (folds) onto the sub
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antiskid surface for entry and exit
when the ramp is not in use.
Ramp Assembly: The ramp
assembly is made of an inboard
ramp section (stage one) and an
outboard ramp section (stage
two). Each aluminum ramp sec-
tion features vertical side plates
and full antiskid surface.
Drive Arm Assembly:
The cylinder driven three stage
drive arm assembly deploys and
stows the ramp assembly.
Ramp Actions and Functions
Deploy: Deploy is the action of
the ramp assembly extending and
unfolding to ground level when
the DEPLOY (OUT) switch* is
activated (*installer supplied).
Stow: Stow is the action of the
ramp assembly raising and fold-
ing inward to stow position when
the STOW (IN) switch* is acti-
vated (*installer supplied).
Stow Position: Stow position
is achieved when the two stage
ramp assembly is fully retracted
and folded (resting fully on the
pan weldment).
Manual Override: Manual
operation is achieved without the
use of any mechanical release or
complicated procedures. Simply
use the Hand Holds provided on
the ramp assembly to manually
deploy or stow the ramp. Mini-
mal physical effort is required to
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the system. Slow steady motion
results in the least resistance and
easy operation. The faster you
attempt to manually operate the
ramp, the greater the resistance.
See Ramp Manual Operation on
page 11 for further details.
RAMP TERMINOLOGY