SAF-HOLLAND CBX-14, Installation And Operation Manual

Page 1: ...XL AS11406OM en US Rev E CBX CB Series Fixed Frame Top Mount Trailer Air Suspension For Disc and Drum Brake Applications Installation and Operation Manual ...

Page 2: ......

Page 3: ...ymbol indicates a potentially hazardous situation which if not avoided could result in property damage Indicates a potentially hazardous situation which if not avoided could result in minor or moderate injury Indicates a potentially hazardous situation which if not avoided could result in death or serious injury Introduction This manual provides information necessary for the installation and opera...

Page 4: ... can cause 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 prec...

Page 5: ...on lift feature 2 INCH 50 8 mm MINIMUM LATERAL tire clearance is required between the sides of the tire and the nearest point of contact through total travel of the air suspension This includes when the wheels are fully turned in either direction if equipped with an SAF Self Steer Axle www safholland us Copyright 2011 SAF HOLLAND Inc Figure 2 ALIGNMENT BOLT IS ON THE FRONT OF THE ROADSIDE FRAME BR...

Page 6: ...sion model will have a cast beam with a lower air spring mounting plate welded to it mounted on a 5 75 round axle Figure 6 NOTE The CBX Fusion models come in four 4 different beam lengths Equalizing beam lengths are measured from the centerline of the pivot to the centerline of the air spring mounting plate Figure 6 4 CBX Fusion Model Nomenclature The sample tag illustrated will help interpret the...

Page 7: ... mounted to a 5 75 round axle Figure 9 NOTE The CBX models come in three 3 different beam lengths Equalizing beam lengths are measured from the centerline of the pivot to the centerline of the air spring mounting plate Figure 9 6 CBX Model Nomenclature The sample tag illustrated will help interpret the information on the SAF HOLLAND Inc serial number tag The model number is on the first line along...

Page 8: ...pplies to the suspension models listed on the front cover However determine the specific model number write that information below and refer to it when obtaining information or replacement parts Figure 11 8 CB 2300 Model Nomenclature The sample tag illustrated will help interpret the information on the SAF HOLLAND Inc serial number tag The model number is on the first line along with the suspensio...

Page 9: ... metal specification AWS A5 18 filler metal classification ER 70S 3 ER 70S 6 or equivalent unless specified on the installation drawing NOTE Any substitution for filler material from the above standard must comply as a minimum with the following mechanical properties Tensile Strength 72k psi 496 MPa Yield Strength 60k psi 414 MPa Charpy V Notch 20 ft lbs 27 N m at 0o F 17 7o C Elongation 22 The re...

Page 10: ... operating properly IMPORTANT Make certain that all air lines and valves are free from obstruction through the full operational range of the suspension IMPORTANT A pressure protection valve PPV MUST be attached to the air reservoir in order to maintain proper air pressure Figure 13 IMPORTANT The air pressure protection valve maintains safe brake pressure Approximately 85 psig 5 9 bars opens the va...

Page 11: ...nsion is installed properly Figure 14 3 Install the service and emergency lines to the suspension and allow the suspension to air up 6 Measure the ride height of the suspension with a tape measure Figure 15 7 Compare the measured suspension ride height value to the appropriate value Table 1 Ensure the measured ride height value is within 1 4 6 mm IMPORTANT If the measured ride height value is NOT ...

Page 12: ...d be necessary to shim the jack stands to achieve specified ride height Failure to properly support the suspension during maintenance could create a crush hazard which if not avoided could result in death or serious injury 4 Exhaust all air from the suspension set the parking brakes and chock the wheels Failure to exhaust the suspension air and chock the tires prior to beginning maintenance could ...

Page 13: ...ve the ride height and remove the jack stands 10 Slowly lower the trailer so that the trailer suspension is fully collapsed 11 Pull the pin and apply air to the trailer allowing the suspension to return to ride height 12 With the suspension at rest measure the ride height Ride height MUST be within 1 4 6 mm of the suspensions specified ride height 13 Spray a soapy water mix on all air line connect...

Page 14: ... Align by rotating the alignment bolt head using a 1 3 8 socket wrench on the front face of the road side frame bracket clockwise to move axle forward A arrows counterclockwise to move axle rearward B arrows Figure 21 Approximately 250 ft lbs 339 N m will be required IMPORTANT DO NOT loosen the pivot bolts IMPORTANT Two 2 scribe lines on the side of the frame bracket indicate maximum adjustment fo...

Page 15: ...for proper installation and make sure that the upper and lower 3 4 shock absorber nuts are torqued to 140 175 ft lbs 190 237 N m Figure 23 4 Verify that the 1 2 air spring mounting nuts are torqued to 30 40 ft lbs 41 54 N m and the 3 4 air spring mounting nuts are torqued to 40 45 ft lbs 54 61 N m Figure 23 5 With the suspension at full capacity check that there is a 1 25 mm minimum clearance arou...

Page 16: ...t Check all other nuts and bolts for proper torque refer to the specifications listed in Section 17 Re torque as necessary thereafter 3 With the vehicle on a level surface and air pressure above 85 psig 5 9 bars verify that all the air springs are of sufficient and equal firmness NOTE Check all air control system fittings for air leaks by applying a soapy water solution and checking for bubbles at...

Page 17: ...ade markings refer to Figure 24 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 of fasteners or other component issues General Information 1 The torque specifications are applied to the nut and NOT the bolt Failure to use the proper fasteners whe...

Page 18: ...18 XL AS11406OM en US Rev E 2018 04 17 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 19: ...19 XL AS11406OM en US Rev E 2018 04 17 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: ...inal 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 INC 1950 Industrial Blvd Muskegon M...