Braun Corporation FMVSS No. 403 Quick Reference Installation Sheet 33675 Rev. A
3
Electrical, Hydraulic and Interlock
Pump
Mounting
Bracket
Min.
1-3/4”
to
Wall
Pump
must
face
Out
Mount
Pump
Vertical
1/4-20 x 3/8"
Hex Screws
Lock
Washer
Reinforcement
“L” Bracket
Cable-activated
Manual Release
(from lift)
7/8" Diameter
Mounting Hole
Through-Floor
Cable and Hose
Grommet
(3" Diameter
Mounting Hole)
Figure K
Note:
Remove
plug from
vent tube.
Connect red positive
(+) power cable here
(from Circuit Sentry).
Beeper/Strobe Alarm
and Platform Lights:
Connect harnesses to
mating harnesses at
pump (labeled). Detailed
installation instructions
supplied with kits.
Chassis
5/16"
External Tooth
Star Washer
9/32"
Diameter
Pilot Hole
Thread
Cutting
Screw
Figure L
Ground Cable Mounting
Pump Ground Cable:
One ground cable is pump
mounted. Route this ground cable
through the �oor grommet and con-
nect to a vehicle framing member
(see Figure L).
Vehicle Battery Ground Cable:
A ground cable (minimum 2 gauge)
must be connected from vehicle
battery negative post to the same
vehicle framing member the pump
ground cable is attached to.
Ground Cable Corrosion:
When mounting ground
cables, remove undercoat-
ing, dirt, rust, etc. from
framing member around
mounting holes. Apply
protective coating to mount-
ing holes to prevent corro-
sion. Failure to do so will
void warranty of certain
electrical components.
Housing/Carriage Har-
nesses:
Route two main wiring
harnesses from lift through
�oor grommet to pump
module. Connect to mat-
ing harnesses at pump.
5/16"
Lag Bolts
(typical - 4)
Note: Seal the
floor cable and
hose grommet
following installa-
tion procedures
(fill with silicone).
Pump Module Mounting
Mount reinforcement “L” bracket
to pump mounting bracket as
shown in Figure K. Secure
pump mounting bracket to floor
using four 5/16" lag bolts.
Check under vehicle for
obstructions before drilling,
cutting holes or installing
�oor mounting hardware.
Note: Locate and drill pump
module mounting holes, floor
grommet 3" diameter hole and
manual release 7/8" diameter
hole before mounting pump.
Cable-activated Manual
Release: The T-handle must
be mounted inside the vehicle.
The cable must operate freely
(no kinks or bends). Warning
tag 81823 must remain attached
to the handle. Remove handle
for installation.
Figure N
Note: All
wiring harness
connections
must be
inside the
vehicle.
Vehicle and Lift Interlocks
The pump module is equipped
with a lift interface 9-circuit
connector (female socket).
A mating 9-circuit connector
(male plug) is supplied.
To meet minimum
NHTSA requirements,
connect to vehicle inter-
lock harness as outlined
in Figure N (Steps 1-4).
Optional Interlock Kits
Optional interlock kits are
available. Contact The
Braun Corporation for ap-
propriate applications.
Power Cable
Aux.
Bat.
Pos.
Neg.
1/8" x 4" x 4"
Plastic
12"
Max.
Circuit
Sentry
Lead
Cable
Hydraulics:
Remove the plug
from 1/4" diameter
clear vent tube.
See Figure N.
Route hydraulic
hose assembly
through floor
grommet to quick-
disconnect fitting at
lift. Connect hose.
Circuit Sentry:
Install Circuit
Sentry as shown
in Figure M. At-
tach power cable
and lead cable as
detailed.
Figure M
Calibration and Floor
Level Adjustment
Following electrical,
hyrdaulic and interlock
installation, check
calibration and floor level
adjustments as defined
in Panel 4.
Threshold Warning Sensor:
Connect harness to mating har-
ness at pump module (labeled).
Mat must be installed on a flat
rigid surface. Inboard edge of mat
must be minimum 18" from edge
of finished floor or stepwell.
Disconnect
2
1
Disconnect
and remove
eye terminal
Main Lift Wiring
Harnesses
To Lift
Strobe Alarm
Platform Lights
(wires labeled)
Threshold Mat
4
Connect
3
Connect vehicle
interlock signal wires
LIFT STOWED
SIGNAL
(Yellow/Light Blue)
VEHICLE SECURE
SIGNAL
(Grey/Red)
To Interlock
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