TMC 75 Spring Suspension Service Manual
Contents
1. TMC TMC Australia Pty Ltd TMC 75 Spring Suspension Service Manual TMC 75 SPRING SUSPENSION SERVICE MANUAL TMC Australia Pty Ltd 78 Star Crescent Hallam Victoria 3803 Australia 2008 Telephone 61 3 8786 3688 Facsimile 61 3 8786 3699 E Mail info tmcaus com au www tmcaustralia com au We Engineer Quality and Performance A member of The rumas Group Page of 6 TAAL TMC Australia Pty Ltd TMC 75 Spring Suspension Service Manual RECOMMENDED SERVICE SCHEDULE First Service 500 km or on Delivery Check all torque settings and re torque Every 10 000km Check all torque settings and inspect for visual damage and wear Repair and replace parts as necessary Every 50 000 km or Annually Check all torque settings and inspect for visual damage and wear Check all suspension bushings for wear and deteration replace or repair as necessary Check all leaf springs and U bolts for wear and deteration replace or repair as necessary Carry out a visual inspection of the suspension for wear and damage repair or replace any worn or damaged parts as necessary Check the axle alignment and realign as necessary Axle alignment must be checked when ever serve kerb contact accident damage or the torque arm bushes are replaced Note These are the minimum recommended service requirements for the suspension dependant on service conditions more frequent service and maintenan2. 1 323122 Front hanger 9 323130 2 323101 Rear hanger 10 323129 3 323126 Equaliser hanger 1232 1384 323129PB 323132 Equaliser hanger 1538 11 323100 370 4 323105 9 leaf spring 75x13 323100 380 323106 8 leaf spring 75x13 323100 395 323111 10 leaf spring 75x16 323100 470 323123 3 leaf spring 323100 480 5 323127 Axle seat 127 dia x 20 high 323100 495 323125 Axle seat 127 dia x 75 high 323 100 545 323149 Axle seat 120 sq x 20 high 323100 565 323171 Axle seat 120 sq x 77 high 13 323124L 323108 Axle seat 152 sq x 20 high 14 323124R 323173 Axle seat 152 sq x 75 high 15 323133 01 6 323103 Spring top plate 127 axle 323133 02 323109 Spring top plate 152 axle 323133 03 7 323135 275 U bolt 127 dia x 275 323133 04 323135 325 U bolt 127 dia x 325 17 323131 323135 375 U bolt 127 dia x 375 18 323128 323134 320 U bolt 120 sq x 320 323128PB 323134 370 U bolt 120 sq x 370 19 323151 360 U bolt 152 sq x 360 9HB 14150050 323151 410 U bolt 152 sq x 410 20 8 323107 Equaliser 1232 spacing 21 9LN1 2UNC 323120 Equaliser 1384 spacing 9LNM14 323110 Equaliser 1538 spacing 2008 A member of The Firumas Group Description Equaliser shaft assembly Equaliser bush rubber Equaliser bush poly Fixed torque arm 370mm Fixed torque arm 380mm Fixed torque arm 395mm Fixed torque arm 470mm Fixed torque arm 480mm Fixed torque arm 495mm Fixed torque arm 545mm Fixed torque a
3. soapy solution do not use liquid detergent or rubber grease 4 On installation lubricate the poly torque arm bushes with rubber grease only 2008 A member of The Af rumas Group Page 2 of 6 TAAL TMC Australia Pty Ltd TMC 75 Spring Suspension Service Manual AXLE ALIGNMENT and ADJUSTMENT PROCEDURE Measure from the centre of the kingpin to a centre point on each end of the front trailer axle adjust as needed the adjustable torque arms length to get the two dimensions equal Then align the remaining axles off the front trailer axle by adjusting the length of the adjustable torque arm s until the axle centres on both sides of the trailer are equal It is possible also to do the axle alignment using a laser or optical aligning device designed for axle alignment After the axle alignment is completed and re checked tighten the adjustable torque arm clamp bolts Assembly torque Torque arm clamp bolts YYUNF nut 130 140 Nm M14 nut 140 150 Nm EQUALISER and EQUALISER BUSHES ASSEMBLY Fit the equaliser casting into the suspension hanger casting insert the tapered rubber or poly equaliser bushes in from either side Fit the equaliser shaft through the rubber bushes or poly fit the equaliser shaft washer and lock nut onto the end of the equaliser shaft Check that the equaliser casting is located centrally in the hanger casting and tighten the equaliser shaft nut Assembly torque Equaliser s
4. ce schedules may be required for correct operation of the suspension equipment TORQUE ARMS and TORQUE ARM BUSHES ASSEMBLY During servicing work the dismantling and re assembly of the adjustable torque arms may be necessary when replacing parts The following is the recommended procedure Assemble the adjustable torque arm to the same length as the matching fixed length torque arms It is recommended that the fixed length torque arms are fitted on the near side kerb of the trailer and the adjustable torque arms are fitted on the off side of the trailer Fit the end of the torque arm into the suspension hanger or axle seat casting insert the tapered rubber or poly torque arm bushes in from either side Fit the torque arm pin through the rubber bushes or poly fit the torque arm washer and lock nut onto the end of the torque arm pin Check that the torque arms are located centrally in the end of the hanger or axle seat and tighten the torque arm pin nut Assembly torque Torque arm pins 1 UNF amp M24 nut 180 220 Nm Rubber bush P UNF amp M24 nut 250 300 Nm Poly bush Assembly Notes 1 On two and three axle suspensions the middle and rear torque arms are usually longer than the torque arm fitted to the front axle 2 On all underslung suspensions the adjustable torque arms are to be fitted with the clamp bolts to the top as shown on the assembly drawings 3 On installation lubricate the rubber torque arm bushes with a
5. haft 1 UNF amp M24 nut 290 350 Nm Rubber bush I UNF amp M24 nut 400 450 Nm Poly bush After or during when service work or repairs are being been done on the suspension or any of its components a visual inspection of the suspension should be carried out to ensure that all components are correctly located and fitted The incorrect fitment and installation of any components will greatly reduce the service life of the suspension and its components GENERAL WELDING and REPAIR NOTES All welding between the suspension hangers and the trailer frame is to be done using either low hydrogen electrodes or an approved equivalent MIG process If a suspension hanger must be replaced during repair or service work weld as follows Weld all around the top of each suspension hanger in 10mm continuous fillet weld After installation of the suspension hanger it is recommended that either the pipe or channel type cross bracing which was fitted is replaced and re welded to the new hanger Fully weld around the ends of the cross bracing to each suspension hanger When replacing axle seats be sure to re weld the axle seat as follows See diagram following Weld each axle seat in position using 8mm continuous fillet weld Do not weld circumferentially around the axle and restrict all welding to within 25mm of the axles front and rear horizontal centre line If in doubt consult the axle manufacture for welding and axle seat installation recommendatio
6. m 370mm 323100 380 Fixed torque arm 380mm 323100 395 Fixed torque arm 395mm 323100 460_ Fixed torque arm 460mm 323100 470 Fixed torque arm 470mm 323124L Adj torque arm end LH 323124R Adj torque arm end RH 323133 01 Adj torque arm screw 260 323133 02 Adj torque arm screw 350 323131 Torque arm pin assembly 323128 Torque arm bush rubber 323128PB Torque arm bush poly 9HB1 2UNC2 00 Hex bolt 2 unc x 2 long 9HB14150050 Hex bolt M14 x 50 long 9HB1 2UNC5 00 Hex bolt 4 unc x 5 long 9LN1 2UNC Nyloc nut 42 unc 9LNM14 Nyloc nut M14 rumas Group Page 6 of 6
7. ns 2008 A member of The SE rumas Group Page 3 of 6 TAAL TMC Australia Pty Ltd TMC 75 Spring Suspension Service Manual OVERSLUNG SUSPENSION UNDERSLUNG SUSPENSION 100 No Welding _ 8mm Fillet Weld 5 T al aa S je 8mm Fillet Weld No welding on the bottom half of the axle tube This includes positioning tack welds TORQUE SETTINGS CHART U Bolts 500 540 Nm 7 8 UNF amp M22 750 800 Nm M24 750 800 Nm 1 UNF Equaliser Shaft Locknut 290 350 Nm 1 UNF amp M24 rubber bushes 400 450 Nm 1 UNF amp M24 poly bushes Torque Arm Pin Locknut 180 200 Nm 1 UNF amp M24 rubber bushes 250 300 Nm 1 UNF amp M24 poly bushes Adjustable Torque Arm Eye Bolts 130 140 Nm 1 2 UNF Grade 8 140 150 Nm M14 Grade 8 Equaliser Drop Out Bolts 75 85 Nm 1 2 UNF Grade 5 65 75 Nm M12 Grade 8 8 Note 1 Nm 0 74 ftlbs approximately As TMC Australia Pty Ltd policy is one of continuous development we therefore reserve the right to change or modify the specifications without notification 2008 A member of The Af rumas Group Page 4 of 6 TMC TMC Australia Pty Ltd TMC 75 Spring Suspension Service Manual TMC 75 Overslung Spring Suspension Spare Parts Listing Item Part No Description Item Part No
8. rm 565mm Adj torque arm end LH Adj torque arm end RH Adj torque arm screw 260 Adj torque arm screw 350 Adj torque arm screw 420 Adj torque arm screw 470 Torque arm pin assembly Torque arm bush rubber Torque arm bush poly 9HB1 2UNC2 00 Hex bolt 42 unc x 2 long Hex bolt M14 x 50 long 9HB1 2UNC5 00 Hex bolt unc x 5 long Nyloc nut 2 unc Nyloc nut M14 Page 5 of 6 TMC TMC Australia Pty Ltd TMC 75 Spring Suspension Service Manual TMC 75 Underslung Spring Suspension Spare Parts Listing Item Part No Description 1 3 4 2008 323137 323136 323189 323105 323106 323111 323127 323149 323108 323103 323109 323135 325 323134 320 323151 360 323107 323120 323110 323130 Front Rear hanger Equaliser hanger 1232 Equaliser hanger 1384 1538 9 leaf spring 75x13 8 leaf spring 75x13 10 leaf spring 75x16 Axle seat 127 dia x 20 high Axle seat 120 sq x 20 high Axle seat 152 sq x 20 high Spring top plate 127 axle Spring top plate 152 axle U bolt 127 dia x 325 U bolt 120 sq x 320 U bolt 152 sq x 360 Equaliser 1232 spacing Equaliser 1384 spacing Equaliser 1538 spacing Equaliser shaft assembly A member of The ar Item Part No Description 10 11 13 14 15 17 18 19 20 21 323129 Equaliser bush rubber 323129PB Equaliser bush poly 323100 370 Fixed torque ar
Download Pdf Manuals
Related Search