IMMI S4S User manual

S4S Unit
Installation Instructions
Important Facts
PLEASE READ THIS ENTIRE GUIDE BEFORE STARTING
TO INSTALL S4S SYSTEM.
1. The S4S is to be used in a specific vehicle application and seating position,
and only with a specific model sent.
2. Always follow the vehicle manufacturer's installation guide. Use this
installation guide in addition to the vehicle manufacturer's guide.
3. Always disconnect vehicle batteries and turn off vehicle switch before
accessing electrical connection.
4. DO NOT PUNCTURE DRILL OR APPLY HEAT TO S4S.
5. DO NOT MOUNT ANYTHING NEAR THE S4S that could interfere with
travel path of the device.
6. The S4S is only designed to activate once. If the system is activated or is damaged,
unit must be replaced by authorized personnel.
What is the S4S?
S4S stands for Suspension Seat Safety System.
How does it work?
In the event of a side roll, the S4S unit is deployed by the
master roll sensor, pretensioning the seat belt, then pulling
the seat to its lowest position. The S4S is only effective when
you wear your seat belt. ALWAYS WEAR YOUR SEAT BELT.
Please Note
This information is not all inclusive and will not cover every seat, pedestal and vehicle configuration. Installers shall have sole
responsibility for proper selection, application, installation and testing of the seat belt in accordance with FMVSS207, 208 and
210 as amended, or any other applicable or additional specification such as for use outside the U.S., and for providing
instructions to the ultimate user concerning proper use and periodic maintenance of the seat belts.
WARNING
DO NOT APPLY HEAT
Temperatures over 85° C (185° F)
could cause the unit to deploy. The
deploying S4S could cause injury.
1
18881 IMMI Way
Westfield, IN 46074
U.S.A.
imminet.com
WARNING
HAZARDOUS OPERATION
Applying power prematurely could deploy occupant
protective devices, causing serious injury to installer.
Disconnect and tag out power. Always make connections
to Roll Sensor last. Keep clear of protective devices when
first applying power.
Before After

INSTALLATION
Unpacking the S4S Unit (FIGURE 1)
1. Remove unit from the main carton. There are 2 units per carton.
2. If parts need to be returned, they must be returned in the original
packaging.
Product Identification
1. Locate product identification label. This is located on the top
surface of the unit. See FIGURE 2
2. Verify your unit is the proper system for your configuration.
Mounting the S4S Unit to Vehicle Floor
1. Use only pre-drilled mounting holes.
2. Metal to metal contact is mandatory on all mounting points.
3. Position the unit in place. See FIGURE 3
4. Make sure wiring harness is free and not pinched. DO NOT MAKE
WIRING HARNESS CONNECTION TO UNIT AT THIS TIME.
5. Position the unit on the cab floor and align the holes in the floor
with the 4 mounting holes on the unit. Use only the bolts provided.
6. Hand start all 4 bolts into their mounting holes.
Use a Torx T-50, tighten bolts.
7. Torque each mounting bolt (4) on S4S to 35 to 40 ft.-lbs.
ICP (InterConnect Point Bar)/Tether Connection
1. Make sure web tethers are routed per diagram on S4S, and not
twisted, pinched or damaged before unit is torqued. See FIGURE 4
2. Remove rubber band from tether-hook assembly and pull tether taut
to check for twists, pinches or damage. Make sure hook is oriented as
shown.
3. Make sure seat is fully lowered.
4. Connect hook into ICP cable as shown. See FIGURE 5.
5. Place two tie wraps (supplied) around hook and cable as shown in
detail in Figure 5 and pull tightly. The tie-wraps assures hook
maintains engagement with the cable.
6. Install seat belt. Reference the Belt & ADM Installation Instructions.
Seat Tether
1. Position SEAT in lowest position. See FIGURE 6.
2. Pull tether tight and position end bracket over pre-drilled
holes behind seat.
3. Make sure tethers are not twisted.
4. Hand thread bolts into holes.
5. Torque bolts to 35-40 lb.-ft.
Electrical Connection and Test
1. Ensure battery switch is OFF.
2. Make connection between cab wiring harness and S4S.
3. Verify that plug and connector are latched together.
Important Final System Inspection
1. Check ICP mounting on both sides of the seat.
2. Check for proper buckle angle. Buckle's cable should
not droop or be kinked.
3. Check shoulder loop and/or seat belt height adjuster (optional)
for full range of adjustment.
4. Inspect for twisting of seat belt.
5. Check buckle for proper latching.
6. Check for interferences. Seat belt must fully retract.
Figure 2
Figure 1
Figure 3
Figure 6
Figure 5
2
S/N
F12345-123
S4S
Figure 4
(Seat not shown for clarity.)
Mounting
Locations
ICP
Tie Wraps
PN80193 rev. 01_ 2081P
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