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S4S Unit
Installation Instructions

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.

Important Facts

PLEASE READ THIS ENTIRE GUIDE BEFORE STARTING TO
INSTALL S4S SYSTEM.
1. T he S4S is to be used in a specific vehicle application and seating
position, and only with a specific model seat.
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 inter-
fere 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.
DO NOT APPLY HEAT
Temperatures over 85° C (185° F) could cause the
unit to deploy. The deploying S4S could cause
injury.
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.

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.
Before
1
18881 IMMI Way
Westfield, IN 46074
U.S.A
imminet.com
After

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Summary of Contents for IMMI S4S

  • Page 1 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.
  • Page 2 ICP (InterConnect Point Bar)/Tether Connection Figure 4 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.

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