SAF-HOLLAND CBX 4215.5, Installation And Operation Manual

Page 1: ...XL AS20016BM en US Rev A Installation and Operation Manual CBX Slider Suspension System with Auto PosiLift For Disc and Drum Brake Applications ...

Page 2: ...ction 2 Warranty 2 Notes Cautions and Warnings 2 Section 1 General Safety Instructions 3 Section 2 Standard Decal Requirements 4 Section 3 CBX Slider Suspension with Auto PosiLift Model Identification 6 Section 4 Welding Standards 7 Section 5 Standard Air Control System Installation 8 Contents Page Section 6 Slider Assembly Installation 9 Section 7 SwingAlign Axle Alignment 10 Section 8 Brake Adju...

Page 3: ...se tire failure fire or loss of vehicle control which if not avoided could result in death or serious injury 1 Safety Instructions General and Servicing Safety Instructions Read and observe all Warning and Caution hazard alert messages The alerts provide information that can help prevent serious personal injury damage to components or both Failure to follow the instructions and safety precautions ...

Page 4: ... retract 3 Carefully move trailer until contacting stop bar 4 Push manual switch to engaged position and visually check all lock pins for proper engagement 5 Locate stop bar directly behind slider 6 Before using trailer the manual air release lock switch must be in engaged position and all lock pins must extend through the rails or beams AIR RELEASE SWITCH PUSH TO ENGAGE LOCK PINS PULL TO DISENGAG...

Page 5: ...ble SWINGALIGN NON WELDED AXLE ALIGNMENT PROCEDURES www safholland us Copyright 2011 SAF HOLLAND Inc XL AR418 01 Torques are with clean lubricated threads Always apply torque to nut if possible REQUIRED RE TORQUING SCHEDULE miles maintenance relining Fastener Size Pivot Connection Shock Air Spring SwingAlign 1 1 8 3 4 1 2 3 4 1 2 Torque ft lbs 550 600 746 81 140 175 190 30 40 41 40 45 54 50 60 68 ...

Page 6: ...racket on the front axle Figure 8 NOTE This manual applies to the suspension models listed on the front cover When the specific model number is determined it is strongly recommended that the information is written below and referred to when obtaining information or replacement parts Figure 9 The sample tag illustrated will help you interpret the information on the SAF HOLLAND Inc serial number tag...

Page 7: ... Strength 60k psi 414 MPa IBSQZ 7 OPUDI GU MCT tN BU o F 17 7o C Elongation 22 The recommended welding gas for gas metal arc welding GMAW is 90 Argon 10 CO2 If a different gas is used welds MUST comply with penetration requirements as illustrated below Figure 10 Where the installation drawing specifies different than above the drawing shall prevail 4 3 Procedures Tack welds used for positioning com...

Page 8: ...lve maintains safe brake pressure Approximately 85 psig 5 9 bars opens the valve and 65 psig 4 5 bars closes the valve NOTE When installing pressure protection valve use a drop of oil or loctite to lubricate threaded connections DO NOT use a pipe compound or teflon tape as they could clog the valve A height control valve HCV is used to regulate the air pressure required for varying load capacities...

Page 9: ...service and emergency lines to the slider and allow the suspension to air up 6 Measure the ride height of the suspension Figure 13 with a tape measure 7 Compare the measured suspension ride height value to the appropriate value Table 1 Ensure your measured ride height value is within 1 4 6 mm LOWER LINKAGE CONNECTION 15 LINKAGE LENGTH 18 RIDE HEIGHT REQUIRES 16 LINKAGE HEIGHT CONTROL VALVE ARM A R...

Page 10: ... trailer straight forward so the locking pins rest against the rear of the holes in the body rails 3 Disengage the trailer parking brakes and ensure the trailer is empty 4 Manually measure or use an optical device specifically designed for alignment measuring to determine the following Measure the distance from the king pin to the centerline of the front axle spindles It is recommended that spindl...

Page 11: ...he side of the frame bracket indicate maximum adjustment for axle alignment If the edge of the visible washer touches either scribe line the SwingAlign axle alignment adjustment is out of stroke Figure 17 Inspect and repair trailer components as necessary and realign IMPORTANT The SwingAlign design maintains proper alignment without welding and without loosening of the pivot connection DO NOT weld...

Page 12: ...apacity check that there is a 1 25 mm minimum clearance around the air springs 7 The suspension s ride height should be within 1 4 6 mm of the recommended design height For proper height refer to Slider Assembly Section 7 8 Verify that the 1 1 8 pivot nut are torqued to 550 600 ft lbs tN Figure 19 IMPORTANT The SwingAlign design maintains proper alignment under correct torque without welding DO NO...

Page 13: ...ck to ensure the lock pins are in the disengaged position and that the QWIK RELEASE pull arm handle is locked Notch 2 Figure 22 When lock pins have properly disengaged proceed to Step 6 If lock pins fail to disengage proceed to Step 5 5 If the QWIK RELEASE pull handle is in the notch 2 position but the lock pins fail to retract and are still in the engaged position the QWIK RELEASE pull arm is in ...

Page 14: ...y engaged and extend through the holes in the upper rail Figure 25 An unsecured slider box can cause loss of vehicle control which if not avoided could result in death or serious inury 10 Visually check that the manual stop bar is properly installed directly behind slide box Figure 25 Failure to properly install or position the manual stop bar could result in improper trailer load distribution whi...

Page 15: ...gure 26 The Auto PosiLift tractor power is engaged With the power on the trailer parking brakes released no vehicle motion required the system s pressure sensor in the air valve system reads the air spring pressure and determines to automatically raise an axle or leave all axles in the down position Figure 27 The Auto PosiLift tractor power is disengaged With the tractor power off or the trailer p...

Page 16: ...verloading or other operational issues to protect the trailer sub frame The PosiLok is engaged when the flipper plates are in the down position Release air pressure from the trailer brake system or disconnect the glad hand This engages the parking brakes and causes the PosiLok actuator to engage which rotates the rod so the flipper plates swing down into an engaged position Figure 28 The PosiLok is...

Page 17: ...cking for bubbles at all air connections and fittings IMPORTANT It is the responsibility of the air system installer to secure all air lines and check for any air leaks If air leaks are detected repair is required Failure to eliminate air leaks could compromise suspension s performance which if not avoided could result in component or property damage 13 2 Routine Physical Inspections Every 100 000...

Page 18: ...rque specifications listed above are with clean lubricated coated threads Table 3 All new SAF HOLLAND fasteners come precoated from the factory For bolt and lock nut grade markings refer to Figure 31 IMPORTANT The use of special lubricants with friction modifiers such as Anti Seize or Never Seez without written approval from SAF HOLLAND Engineering will void warranty and could lead to over torquing...

Page 19: ...19 XL AS20016BM en US Rev A 2015 05 28 Amendments and Errors Reserved SAF HOLLAND Inc SAF HOLLAND HOLLAND SAF and logos are trademarks of SAF HOLLAND S A SAF HOLLAND GmbH and SAF HOLLAND Inc Notes ...

Page 20: ...al component assembly SAF HOLLAND Original Parts are tested and designed to provide maximum performance and durability Will fits look alikes or worse yet counterfeit parts will only limit the performance potential and could possibly void SAF HOLLAND s warranty Always be sure to spec SAF HOLLAND Original Parts when servicing your SAF HOLLAND product SAF HOLLAND USA INC 1950 Industrial Blvd Muskegon...