Demco Stay-In-Play Duo Operator's Manual
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Demco Stay-In-Play Duo Operator's Manual

Supplemental braking system
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10/17
TB20051 Rev 0
1

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Summary of Contents for Demco Stay-In-Play Duo

  • Page 1 10/17 TB20051 Rev 0...

  • Page 2: Product Definition

    WARRANTY POLICY, OPERATOR MANUALS & REGISTRATION Go online to www.demco-products.com to review Demco warranty policies, operator manuals and register your Demco product. Demco Stay-In-Play Duo Supplemental Braking System Thank you for purchasing Stay-IN-Play Duo: the most advanced inertia-based braking system. When installed correctly, this system will provide years of maintenance-free service.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS Product Definition ................... Page 2 Parts Breakdown ..................Page 4-5 Things to Know ....................Page 6 Towed-Vehicle Installation ................. Page 7-17 Testing the Installation ................Page 17-18 Troubleshooting ..................Page 19 - 20 Wiring Diagram ..................... Page 21 Plumbing Diagram ..................

  • Page 4: Parts Breakdown

    Inventory of Parts Stay-In-Play Duo Installation 2, 13, & 3 6255 STAY-IN-PLAY DUO INSTALL KIT ITEM PART # QTY DESCRIPTION 01883 CONNECTOR TAP IN 02772 NUT, .25NC LOCK NYLON INSERT 04055 .25-20NC X 1 GR5 HEX 05744 TERMINAL RING .25 18-20GA BLUE...
  • Page 5 TERMINAL MALE SPADE .25 16144 LED LIGHT 16146 WIRE BLACK 16147 WIRE RED Please order replacement parts by PART NO. and DESCRIPTION 7 & 8 6215 STAY-IN-PLAY DUO AIR CYLINDER KIT ITEM PART # QTY DESCRIPTION 16175 AIR CYLINDER 16127 CABLE ANCHOR 16151 SCREW 14 X 1.00 HEX HD WASHER DRILL TAP...

  • Page 6: Things To Know

    Stay-IN-Play Duo is designed to provide progressive braking effort based on the brake lights of the coach AND inertia (stopping G-force). Stay-IN-Play Duo should not activate while the coach is not moving. If you find that Stay-IN-Play Duo does activate while stationary, adjust the G-Force Controller II accordingly.

  • Page 7: Towed-Vehicle Installation

    Mounts & Connections Step 1: Check the Towed Vehicle’s Wiring Note: Improper tow wiring will result in problems with the Stay-IN-Play Duo System. Place the car in tow position behind the motor home. Connect the tow-wiring umbilical cord to the towed vehicle. Do NOT connect the tow bar.
  • Page 8 Keep in mind, the G-Force Controller is not weather proof, and it MUST be mounted in a specific orientation and level. The Demco logo must face towards the passenger side of the vehicle, and the toggle switch must face toward the rear of the vehicle.
  • Page 9 Step 4: Install the Monitor Light Note: If the vehicle has a “dead” brake-light switch when in the towed position (the brake lights are inoperable with the key in the tow position) or the vehicle’s battery is disconnected while in tow, the Red wire below should be attached to the blue wire that goes between the breakaway switch and the operating unit.
  • Page 10 Step 5: Go Through the Firewall Concerns: • Exercise extreme care if you make an additional hole in the firewall. • Stay clear of any existing wiring, heat source, sharp edges, etc. • Any openings made in the firewall must be plugged with an appropriate sealant to ensure that no fuel or exhaust fumes can enter the passenger area of the towed vehicle.
  • Page 11 Step 6: Mount the Cylinder Special attention must be given to vehicles with adjustable pedals. Check for proper clearance in all positions. When adjusting the cable, be sure that the pedals are positioned closest to the driver’s seat. This will allow normal operation of the adjustable pedals.
  • Page 12 This will “lock” the nuts and keep them from loosening Figures 14.3 & 14.4 & Fig 14.5 on the following page. 6. Route a length of 1/4” DOT air line from the cylinder to the Stay-IN-Play Duo Unit and connect it to the pushlock connector labeled “Air Out”.
  • Page 13 Fig 14.3 Fig 14.4 Fig 14.5 *Cable breakage can only occur if there is an improper angle or if the cable is overtightened in the anchor. Review this step carefully after the cylinder is mounted to ensure proper installation. The actuator cable is a standard stainless steel aviation cable with a tensile strength of 270lbs.
  • Page 14 Step 7: Mount the Breakaway Switch Mount the breakaway switch to the front of the towed vehicle as close to the center of the towed vehicle as possible using the provided hardware. In many cases it can be mounted to the front fascia in a manner that allows it to turn 90º when not in tow. NOTE: Use 1/2”...
  • Page 15 Demco Help Line 800.543.3626 for assistance. Some newer Ford products incorporate two vacuum lines from the booster and require an addition check valve. Contact the Demco Help Line for details. SPECIAL CONCERNS Special care must be given to installing the engine check valve in the proper orientation.
  • Page 16 Route the hose coming from the operating unit to the location where the tee will be installed. (Stay away from sharp edges, heat sources and kinks). Cut the hose coming from the Demco unit to the proper length and slide onto the tee. Make sure enough excess is left to avoid kinks.

  • Page 17: Testing The Installation

    Make sure the black end of the check valve is toward the motor. Cut the hose coming from the Demco unit to the proper length and slide onto the tee. Make sure enough excess is left to avoid kinks.
  • Page 18 If while traveling the system doesn’t activate often enough, lower the knob 1/16”. Repeat step 2. *The Stay-IN-Play Duo system operates the brakes of the vehicle in the same manner as you would. The more often it comes on, the more quickly the brakes of the vehicle will wear.

  • Page 19: Troubleshooting

    Troubleshooting Stay-In-Play Stay-IN-Play Duo Installation At Demco we exercise great care in building and packaging your unit. All operating units are thoroughly bench tested before being shipped. We encourage you to contact our Help Line any time you have questions about the installation or operation of your Demco Vacuum- Assisted Brake.
  • Page 20 4. With the RV brakes applied check for 12v (+) between the Demco GREEN wire and the Demco BLACK wire. If no or low voltage is present, check the scotch lock connection to the towed vehicle’s tow wiring. Remember the 12v (+) for this is coming from the coach. Check to see that the coach is grounded properly to the car in the tow wiring.

  • Page 23: Warranty Information

    Warranty Information Refund Policy Demco has a 30 day return policy on the original date of purchase. Items must have an Demco invoice with corresponding part number to be eligible for refund and are subject to the return authorization policy. All returns are subject to a variable restocking fee not to exceed 20% (not including missing components).
  • Page 24 Warranty Information Cont. 4th - 5th Year Extended Warranty In order to receive 4th and 5th years of warranty, the Demco product must be registered within 30 days of purchase. Consideration for special cases may be addressed on a case-by-case basis at Demco’s discretion. If, during the 4th and 5th years of the warranty period, the Demco product should be found defective, Demco will, upon receipt of post prepaid product, repair or replace the product at its discretion.

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