Braun RA500 Bedienungsanleitung Seite 38

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Seitenansicht 37
Page 36
Electrical
Improper microswitch
adjustment may
result in serious
bodily injury and/or
property damage.
W
A
RNING
Microswitches: Three micro-
switches (limit switches) are in-
corporated in the RA500 electrical
system (IN-Limit, OUT-Limit and
Manual Release signal). Details
and illustrations of the micro-
switches are provided. Adjust
microswitch (es) as detailed.
Microswitch Sequence
Stowed Position: When the
ramp is in the stowed posi-
tion, the IN-Limit microswitch is
activated (common and normally
open terminals have continuity).
In contrast, the OUT-LImit micro-
switch is deactivated.
Deploy Sequence: When the
ramp is in the stowed position,
the OUT-Limit microswitch is de-
activated, and thus allows current
to pass from the vehicle’s Deploy
switch circuit and energize the
ramp’s Bidirectional motor in the
deploy direction (motor drives
chains to deploy ramp).
Deployed Position: When the
ramp is in the deployed position,
the OUT-Limit microswitch is ac-
tivated. In contrast, the IN-Limit
microswitch is deactivated.
Stow Sequence: When the ramp
is in the deployed position, the IN-
Limit microswitch is deactivated ,
allowing current to pass from the
vehicle’s Stow switch circuit and
energize the ramp’s Bidirectional
motor in the stow direction (motor
drives chains to stow ramp).
Manual Release State: When
the ramp’s manual release is
engaged the manual release
microswitch signals the control-
ler that the manual release state
of the ramp has been engaged.
This signals the controller to dis-
able the power functions of the
RA500.
SYSTEMS DESCRIPTIONS
OUT-Limit Microswitch
The OUT-Limit microswitch is located in the out-
board mounting position of the platform carrier plate.
To adjust:
1. Power or manually move the ramp to the full out
position.
2. With the ramp in the deployed position loosen
the OUT-Limit microswitch mounting screws.
3. Slide the switch body outward until resistance is
felt from the switch being fully depressed.
4. Tighten the mounting screws in this position.
Note: Under normal circum-
stances the RA500 microswitches
should not need adjustment. If
adjustment or replacement is
required, follow the procedures
provide on the next page.
Figure L
Ramp in Full-Out Position
(As viewed from under the carrier plate)
OUT-Limit
Microswitch
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