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Braun Corporation FMVSS No. 403 Quick Reference Installation Sheet 34274 Rev. A
1
“DOT — Public Use Lift”
NHTSA Vehicle Physical Requirements
Figure A
Mounting Bracket
Requirements:
All four mounting brackets must be
connected to the vehicle chassis
floor members.
Door Opening Dimensions:
Vehicle lift access door opening
must meet specified dimensions.
Vehicle Requirements:
All vehicles with a GVW over 6000 lbs.
and with unmodified OEM framerails.
Clear Door Opening Width
Maximum Floor-to-Ground
B
A
C
Figure B
Minimum Clear Door
Opening Height
A
B
C
NUVL855RM24
NA
43½"
62½"
“DOT - Public Use Lift” verifies this platform lift meets the “public use lift” requirements of FMVSS No. 403.
This lift may be installed on all vehicles appropriate for the size and weight of the lift, but must be installed
on buses, school buses, and multi-purpose passenger vehicles other than motor homes with a gross ve-
hicle weight rating (GVWR) that exceeds 4,536 kg (10,000 lb).
W
A
RNING
Engage manual
release before
attempting to install
(raise, tilt or move)
lift. Failure to do so
may result in serious
bodily injury and/or
property damage.
Figure C
Locate Lift Mounting Brackets
Braun Corporation FMVSS No. 403
Alternative
floor structures
are allowed
providing the
installed lift
system passes
all FMVSS 403
requirements.
Lift Mounting Brackets
(typical both sides)
Right
Left
Inboard
Outboard
Quick Reference Installation Sheet 34274
Rev: A
Vehicle Floor
Chassis Members
DOOR OPENING
90
CENTER IN
DOOR OPENING
CENTER
ACROSS
VEHICLE FRAME
L
C
22-3/8"
22-3/8"
44-3/4"
All-Thread
Mounting Studs
Locate Lift Mounting Brackets
1. Open door(s) fully (min. 90°).
2. Locate center of door opening.
Mark the center point.
3. Transfer center point to the
vehicle frame. Using a front-
to-rear framing member as a
guide, transfer the center point
across chassis to opposite side
front-to-rear framing member
(must be 90° to door opening).
Lift mounting bracket positions
are based on this center line.
4. Measure 22-3/8" to left and
right of the center line to
achieve the 44-3/4" center-to-
center spacing of all-thread
mounting studs.
5. Clamp the mounting brackets
securely in place (all-thread
studs must be vertical).
Engage Platform Manual
Release System: The lift
cable-activated platform
manual release is disengaged
during shipment to prevent
potential drive chain stretch.
Handle the lift with
care. Engage manual
release before at-
tempting to install
(raise, tilt or move)
the lift.