Trinity Highway MPS 350X Product Description Assembly Manual

Truck mounted attenuator tma

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Summary of Contents for Trinity Highway MPS 350X

  • Page 2 ® S 35 Truck k Mou unted Atten nuato or (“T MA”) ® The MPS S 350 X sy ystem has b been tested pursuant t to National Cooperative e Highway R Research Program (“NCHRP”) Report 350 specificatio ons. Based o on a review of these cr rash test res...
  • Page 3: Table Of Contents

    Table of Contents Customer Service Contacts ......................3  Important Introductory Notes ......................3  Safety Rules for Assembly ......................4  Safety Symbols ..........................5  Limitations and Warnings ......................6  Safety Instructions ........................7  Controlling Skid Distance (Roll Ahead) ..................10  Assembly ............................ 11  Inspect Shipment ........................
  • Page 4: Customer Service Contacts

    Custo omer Se rvice Co ontacts Trinity Hi ighway is co ommitted to t the highest level of cust tomer servic ce. Feedbac k regarding the MPS ® system, its assembly p rocedures, s supporting d documentati ion, and pe rformance i s always welcome...
  • Page 5: Safety Rules For Assembly

    This pro oduct has b een specifie ed for use by the app propriate hig ghway auth hority and h has been provided to that user r who has un nique knowle edge of how w this system m is to be as ssembled.
  • Page 6: Safety Symbols

    Safety y Symbo ® This sec ction describ bes the safe ety symbols s that appea ar in this M MPS 350 X manual. R Read the manual f for complete safety, asse embly, opera ating, mainte enance, rep air, and serv vice informa tion.
  • Page 7: Limitations And Warnings

    This system is tested only to the test matrix criteria of TD 49 as approved by the Highways Agency. Trinity Highway expressly disclaims any warranty or liability for injury or damage to persons or property resulting from any impact, collision or harmful contact with products, other vehicles, or nearby hazards or objects by any vehicle, object or person, whether or not the products were assembled in consultation with Trinity Highway or by third parties.
  • Page 8: Safety Instructions

    Safety y Instruc ctions For the s safety of the operator, th e operator s shall stand a at the rear of f the truck on n the non-tra affic side. When tilt ting the TMA A, stay clear of all movin g parts.
  • Page 9 ® Cauti ion: The M MPS 350 X system is i intended to only suppor rt its own we eight. Do not dr rag the TMA A or place a nything on t top of the sy ystem as da amage will re esult.
  • Page 10 6. B Ballast and o other heavy y objects M UST BE AD DEQUATEL LY ANCHOR RED to the truck to revent shiftin ng during an n impact (see e Figure 5). Note: The f force on the tie-down st traps could b be 20 times s the weight...
  • Page 11: Controlling Skid Distance (Roll Ahead)

    Controlling Skid Distance (Roll Ahead) The use of a TMA on the back of a truck will not:  Affect the skid (roll ahead) distance of an impacted truck. KEEP WORK CREWS CLEAR! Controlling skid distance (roll ahead):  Skid distance is significantly increased and is less predictable for lightweight shadow vehicles.
  • Page 12: Assembly

    Assem mbly Read and d understan d all instruct tions before beginning a assembly. Impo ortant: e truck weig ght, excludi ng TMA, m must be a m minimum of 6804 kg [15,00 00 lbs.] to achieve in ntended im mpact perfor rmance of the system...
  • Page 13: Unpacking And Attaching The Mps 350 ® X

    ® Unpac cking and Attachin ng the MP PS 350 ® Cauti ion: Prior t to mounting the MPS 35 X, verify that the fue el tank(s) on the truck is mo re than 10’- -6” (3.2 m) from the re ar of the tru uck.
  • Page 14 ® 9. M Move the MP PS 350 X in nto position a at the back o of the truck. Use the Jac cks to set th he correct ssembled he eight at 915 mm [+ 12 m mm /- 0 mm] ] (36”...
  • Page 15 ® B. This option invo lves welding g the MPS X Bum mper directl y to the tru ck frame rails. Welding on n the “C” Cha annel suppo ort(s) provide es the requir red structura al support for th he Lower Bu umper Cros s Member.
  • Page 16 Note: Winch Strap p MUST wrap ov ver the TOP of the Pull Winch h Strap to location sh own here Winch S Spool Figure 12 Figure 13 Cauti ion: ® The W Winch Strap o on the MPS X sho ould ALWAY YS wrap ove er the top...
  • Page 17 ® 16. M Mount the Li ighting Syst tem on the MPS 350 X. Use dra awing 62013 39 for moun nting and outing instru ctions (see p p. 32, 33, an nd 34). ® 17. R Raise the MP PS 350 X to o the UP (ve...
  • Page 18: Operation Guidelines

    Opera ation Gu uidelines ® Before o operating the e MPS 350 X, thorou ughly read a and underst tand these instructions and the safety se ection of this Manual. Ve erify that the system is p roperly asse embled and in working o order.
  • Page 19 Lowerin ng the Syst There is one DOWN (horizontal) ) position sw witch on eac ch set of con ntrols (see p . 20 & 21). T To tilt the system d down, press and hold the e switch DO OWN until the e system rea aches the ho...
  • Page 20: Maintenance

    Maint enance ® Before p performing a any Mainten nance on th he MPS 350 X, thorou ughly read and unders stand the Maintena ance Section n of this Ma nual. If main ntenance is to be perfo rmed with th he system in n the UP (vertical)
  • Page 21: Winch System Operation

    Cauti ion: While traveling in a moving w work zone, N NEVER drive e faster than n 35 mph ® (55 km m/hr) with M MPS 350 in a Down ( (horizontal) P Position. Sp peeds slowe r than 35 ®...
  • Page 22: Lowering The Mps 350 ® X

    ® Loweri ing the M MPS 350 ® To lower r the MPS X fro om the UP (vertical) po osition to th he DOWN ( (horizontal) position, complete e the followin ng steps: ® Warn ning: Ensu re that no o one is near, under, or b behind the M...
  • Page 23: Raising The Mps 350 ® X

    ® Note: The Cab Con ntrol Assemb bly is availab ble for the M MPS 350 (see p. 20). . Contact yo our Trinity Highway representat tive for more e information n (see p. 3). ® Raisin g the MP S 350 ®...
  • Page 24: Chain Retainer

    Chain Retainer ® The MPS S 350 X is s supplied with h a Linchpin n and a pair of Chain Re etainer Tabs located at t the top of ® the Brac cket Assemb bly (see Fig ure 20). Wh hen the MPS S 350 X is...
  • Page 25: When The Mps 350 ® X Is Impacted

    ® When n the MP PS 350 X is Imp pacted ® During a vehicle imp pact within N NCHRP Repo ort 350 crite eria, the MPS S 350 X wi ll function in n a series of events 1. T The 3/8”...
  • Page 26: Low-Speed Impact

    Low-S peed Imp pact A LOW-S SPEED-IMP ACT is one that strokes s less than 4 45” (1145 mm m) of the Ga alvanized Ri ip Plates. This leng gth includes the precut 6 6” slot on the e front of the e Frame Asse embly.
  • Page 27: Troubleshooting Table

    www.trinityhighway.com Revision C December 2017...
  • Page 28: Frame Assembly, Mps 350 ® X

    www.trinityhighway.c com 2 2 7 Revision C C December 2017...
  • Page 29 www.trinityhighway.c com 2 2 8 Revision C C December 2017...
  • Page 30: Hoist Assembly, Mps 350 ® X, 12V

    www.trin ityhighway.c c om 2 2 9 Revision C C December 2017...
  • Page 31 www.trin ityhighway.c c om 3 3 0 Revision C C December 2017...
  • Page 32: Misc Hardware, Mps 350 ® X

    www.trinityhighway.c c om 3 3 1 Revision C C December 2017...
  • Page 33: Light Assembly, Mps 350 ® X

    www.trinityhighway.c c om 3 3 2 Revision C C December 2017...
  • Page 34 www.trinityhighway.c c om 3 3 3 Revision C C December 2017...
  • Page 35 www.trinityhighway.c c om 3 3 4 Revision C C December 2017...
  • Page 36: Striping Assembly, Mps 350 ® X

    www.trinityhighway.c c om 3 3 5 Revision C C December 2017...
  • Page 37 www.trinityhighway.c c om 3 3 6 Revision C C December 2017...
  • Page 38: Underride Assembly, Receiver Tma

    www.trinityhighway.c c om 3 3 7 Revision C C December 2017...
  • Page 39: Attachment Assembly, Mps 350 ® X

    www.trinityhighway.c c om 3 3 8 Revision C C December 2017...
  • Page 40: Cab Control Assembly, Mps 12V

    www.trinityhighway.c c om 3 3 9 Revision C C December 2017...
  • Page 41 Notes: www.trinityhighway.com Revision C December 2017...

Table of Contents