SAF HOLLAND TS Series Maintenance Manual Download

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XL-MS196 Rev E

TS and USR Series Mechanical Suspensions



Trailer Tandem Spring Suspension

Capacity 44,000, 55,000 and 60,000 Lbs. GAWR

Maintenance Manual

Summary of Contents for HOLLAND TS Series

Page 1: ...XL MS196 Rev E TS and USR Series Mechanical Suspensions Trailer Tandem Spring Suspension Capacity 44 000 55 000 and 60 000 Lbs GAWR Maintenance Manual ...

Page 2: ... USR Series Mechanical Suspension Parts List 11 Service Repair Kits 12 Section 7 Trunnion Bushing Replacement and Installation 14 Section 8 Trunnion Clamp Replacement and Installation 15 Section 9 Axle alignment Procedures 18 Section 10 Axle alignment Tips 18 Section 11 Spring End Pad Replacement 19 Section 12 Pre Operation Check List 20 Section 13 Torque Specifications 21 Section 14 Routine Maint...

Page 3: ...s in this manual require pre positioning of the brake chamber slack adjuster and or ABS system Consult the manufacturer s manual for procedures on the proper operation of brake chamber slack adjuster and or ABS system IMPORTANT Key components on each axle s braking system including friction material rotors and drums are intended to wear over time Worn parts should be replaced in sets on both the d...

Page 4: ...ning information or replacement parts NOTE Refer to the serial number tag attached to the spring saddle 3 TS and USR Series Nomenclature The sample tag will help interpret the information on the SAF HOLLAND Inc serial number tag The model number is on the first line along with the suspension capacity The second line contains the part number and the serial number Figure 2 Record the tag numbers bel...

Page 5: ...ensile 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 Figure 3 LACK OF FUSION OF ANY KIND IN THIS AREA IS NOT ACCEPTABLE AT ANY TIME PENETRATION AS MEASURED THROUGH SEAM TARGET PENETRATION TO BE 10 OF THINNEST MATERIAL FROM INTERSECTION OF FILLET AS ILLUSTRATED TARGET PENETRATION The recommended welding gas for gas metal arc we...

Page 6: ...ly in the proper position 2 The axle tube and pad assembly MUST be 70 F minimum and free from dirt scale and grease 3 The electrode or wire selected MUST conform to one of the following specifications a Electrode AWS E 7018 Oven Dried b Wire AWS E 70S 3 AWS E 70T 1 Gas C 25 CO2 Volts 19 20 21 23 Amps 180 200 200 220 Wire Diameter 045 062 Flux Cored Figure 4 13 25 38 2 88 2 2 75 START START 1ST PAS...

Page 7: ...ssembly MUST be 70 F minimum and free from dirt scale and grease 3 The electrode or wire selected MUST conform to one of the following specifications a Electrode AWS E 7018 Oven Dried 5 32 Dia 120 190 Amps D C 135 225 Amps A C 3 16 Dia 170 280 Amps D C 200 300 Amps A C b Wire AWS E 70S 3 AWS E 70T 1 Gas C 25 CO2 Volts 19 20 21 23 Amps 180 200 200 220 Wire Diameter 045 062 Flux Cored Figure 5 1ST P...

Page 8: ...F and logos are trademarks of SAF HOLLAND S A SAF HOLLAND GmbH and SAF HOLLAND Inc TS Series Mechanical Suspension Exploded View C L C C L 14 1 1 21 26 22 21 7 17 13 18 4 5 3 15 9 19 23 20 17 14 2 17 14 10 12 11 9 15 3 5 4 16 16 14 17 20 23 24 23 23 25 8 6 C DIM 19 18 17 13 14 TS TANDEM SUSPENSION ...

Page 9: ...5 Trunnion Rubber Bushing 2 6 Trunnion Clamp Casting 2 1 2 C DIM Model 1 2 Trunnion Clamp Casting 4 1 2 C DIM Model 2 Trunnion Clamp Casting 6 1 2 C DIM Model 3 Trunnion Clamp Casting 8 1 2 C DIM Model 4 7 Spring Saddle Casting 2 8 U Bolt 4 9 Locknut 8 10 Cap Screw 4 11 Locknut 4 12 Washer 4 13 Cap Screw 16 14 Locknut 40 15 Washer 8 16 U Bolt 8 17 Washer Heat Treated 56 18 Spring End Cap 4 19 Spri...

Page 10: ...AF HOLLAND Inc SAF HOLLAND HOLLAND SAF and logos are trademarks of SAF HOLLAND S A SAF HOLLAND GmbH and SAF HOLLAND Inc USR Series Mechanical Suspension Exploded View USR TANDEM SUSPENSION 11 12 16 17 21 18 20 19 1 3 1 5 14 5 3 4 2 6 11 12 4 7 8 9 10 13 C DIM 15 ...

Page 11: ...nnion Tube 1 3 Trunnion Rubber Cap 2 4 Trunnion Spring Seat 2 5 Trunnion Rubber Bushing 2 6 Trunnion Clamp Casting 2 1 2 C Dimension 2 Trunnion Clamp Casting 4 1 2 C Dimension Trunnion Clamp Casting 6 1 2 C Dimension Trunnion Clamp Casting 8 1 2 C Dimension 7 Spring Saddle Casting 2 8 U Bolt 4 9 Locknut 8 10 Cap Screw 4 11 Locknut 12 12 Washer 12 13 Cap Screw 8 14 Washer 8 15 U Bolt 8 16 Spring En...

Page 12: ...RIPTION QTY 1 U Bolt 5 8 11 4 2 Spring End Rubber Pad 2 3 Hex Head Bolt 5 8 11 8 4 Locknut 5 8 11 16 5 Washer 5 8 32 SRK 25 Axle 481 00 042 Figure 7 ITEM DESCRIPTION QTY 1 U Bolt 5 8 11 4 2 Spring End Pad Casting 2 3 Spring Head Rubber Pad 2 4 Cap Screw 5 8 11 8 5 Locknut 5 8 11 16 6 Washer 5 8 12 NOTE One 1 SRK required per axle Used on all TS models 5 round axles NOTE One 1 SRK required per axle...

Page 13: ...e 9 SRK 52 1 Trunnion 481 00 147 Figure 8 ITEM DESCRIPTION QTY 1 Rubber Trunnion Bushing 2 2 Trunnion Fiber Bearing 2 3 Thrust Washer 4 SRK 136 Trunnion 481 00 190 Figure 9 ITEM DESCRIPTION QTY 1 U Bolt 1 1 8 7 4 2 Rubber Trunnion Bushing 2 3 Locknut 1 1 8 7 8 4 Washer 1 1 8 8 NOTE One 1 SRK required per axle Used on all TS and USR models NOTE One 1 SRK required per axle Used on all TS and USR mod...

Page 14: ... jack pad locations could cause the trailer to fall resulting in death serious injury and or component damage NEVER use the axle or suspension components to raise the trailer Sufficiently support the suspension prior to removing the 1 1 8 U bolts Failure to properly support the suspension prior to trunnion disassembly could result in death or serious injury 2 Remove the nuts U bolts trunnion cap c...

Page 15: ...disassembly could result in death or serious injury 2 Remove the nuts U bolts trunnion clamp and spring saddle from the trunnion connection Figure 11 3 Remove trunnion bushing and wear washers Inspect the wear washers for excessive wear prior to re assembling the new trunnion bushing If excessive wear exists after the trunnion clamp has been replaced replace the wear washers and new trunnion bushi...

Page 16: ...3 Welding Gussets to Crossmembers Top View Side View NOTE Weld where indicated thus xxxx on all axle connection and frame attachment instructions NOTE Refer to Axle Alignment Procedure Section 5 page 18 before welding TOP VIEW SIDE VIEW OUTSIDE WELD CROSSMEMBERS CUSTOMER SUPPLIED 1 2 NO WELD TYPICAL GUSSET 4 PLACE THICKNESS EQUAL TO I BEAM FLANGE CUSTOMER SUPPLIED GUSSET WIDTH VARIES WITH FRAME I ...

Page 17: ...rs and channel braces NOTE DO NOT weld anywhere on the axle except where specified 38 FRAME WIDTH SHOWN VARIABLE FROM 30 TO 40 38 SPRING CENTERS STANDARD VARIABLE TO CUSTOMER SPECIFICATION L 1 2 L 1 2 6 6 3 16 1 8 WELD FRAME BRACKET TO TRUNNION CLAMP BRACKET SECURELY ALONG BEVELED JOINT AFTER ALIGNMENT TO KINGPIN WELD FULL LENGTH ON INSIDE AND ENDS OF BRACKET AND FOR DISTANCE SHOWN ON OUTSIDE SPRI...

Page 18: ...designed especially for this purpose or manually by the following manner Measure the distance from the kingpin to the center line of the spindles on the front axles It is recommended that the spindle extensions be utilized Dimensions A and B MUST be equal within 1 8 3mm Dimension E is equal to the distance between the trailer center line and the axle center line Figure 15 3 Locate the rear axle to...

Page 19: ...ove the fasteners that attach the axle to the spring end cap remove the spring end rubber pad Figure 16 3 Inspect the spring end pad locator pin for excessive wear If excessive wear exists replace the spring end pad Grind the spring end pad flat and clamp the new pad in place making sure all holes line up Weld the new pad in place Refer to SRK 25 for assembly NOTE SRK 25 contains enough parts to s...

Page 20: ...lace and properly welded Figure 4 page 17 3 Check the axle connection welding Figure 18 Welding MUST be in accordance with NS 65 28 for TS models or NS 65 30 for USR models For all models welding MUST be in accordance with NS 65 07 4 Ensure that all nuts have been torqued to specifications in Table 1 Page 21 Figure 18 Figure 19 Figure 20 SPRING SPRING NO WELD ON U BOLT AXLE SPACING AXLE MUST BE EQ...

Page 21: ...ing the suspension could cause component failure which if not avoided could result in death or serious injury Failure to properly torque all fasteners could result in component failure which if not avoided could result in death or serious injury All Torque specifications are 5 Torques specified are for clean lubricated threads Always apply torque to nut if possible Required re torquing at every br...

Page 22: ...anufacturer s recommendation 2 Broken spring leaves between the U bolts indicate loose U bolts Replace broken leaves at the earliest opportunity and lubricate the U bolt threads before tightening 4 Spring leaf failures outside the U bolt area are an indication of a Repeated overload b Spring assembly has completed it s normal life cycle In either case the entire spring assembly should be replaced ...

Page 23: ...23 XL MS196 Rev E 2019 04 30 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 24: ...riginal 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 Mus...

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