Multi Tech Equipment MLT20DCA manual

OPERA TION MANUAL THIS MANU AL MUST A CCOMP ANY THE EQ UIPMENT A T ALL TIMES. T o find the latest re vision of this publication, visit our website at: www .m ultiquip.com Re vision #0 (01/18/13) PN 49838 MODELS ML T20DCA ML T20DCA6 DEDICA TED LIGHT TOWER[...]

P A GE 2 — ML T20 SERIES LIGHT T O WER • OPERA TION MANU AL — REV . #0 (01/18/13) PROPOSITION 65 W ARNING Diesel engine exhaust and some of[...]

ML T20 SERIES LIGHT T O WER • OPERA TION MANU AL — REV . #0 (01/18/13) — P A GE 3 If you be lieve that your veh icle has a defect that could cause a crash or could cause injury or death, you should immediately inform the National Highway T raffic Safety Administration (NHTSA) in addition to notifying Multiquip at 1-800-421-1244. If NHTSA rec[...]

P A GE 4 — ML T20 SERIES LIGHT TO WER • OPERA TION MANU AL — REV . #0 (01/18/13) T ABLE OF CONTENTS ML T20 Series Light T ower Proposition 65 Warning ........................................... 2 Repor ting Saf ety Def ects ......................................... 3 T ab le Of Contents .................................................... 4 S[...]

ML T20 SERIES LIGHT TO WER • OPERA TION MANU AL — REV . #0 (01/18/13) — P A GE 5 SAFETY INFORMA TION Do not oper ate or service the equip ment bef ore reading the entire manual. Safety precautions should be follo wed at all times when operating this equipment. F ailure to read and und erst and the saf ety messa ges and opera ting inst ructi o[...]

P A GE 6 — ML T20 SERIES LIGHT TO WER • OPERA TION MANU AL — REV . #0 (01/18/13) SAFETY INFORMA TION GENERAL SAFETY CA UTION  NEV ER oper at e this equi pm ent with ou t prop er pro te ct iv e clothing, shatter proof glasses, respiratory protection, hea rin g p ro te ct io n, st ee l-t oe d b oo ts an d oth er pr ot ec ti v e de vice s re [...]

ML T20 SERIES LIGHT TO WER • OPERA TION MANU AL — REV . #0 (01/18/13) — P A GE 7 SAFETY INFORMA TION LIGHT T O WER SAFETY D ANGER  N E V ER op e r at e t h e e q ui p m en t i n a n e x p lo s i v e a t mo sp he re o r n e a r c o m b u st ib l e m a te ri a l s . An e xp l o s i o n o r fi r e co u l d re su l t c a u s i n g se v er e b[...]

P A GE 8 — ML T20 SERIES LIGHT TO WER • OPERA TION MANU AL — REV . #0 (01/18/13) SAFETY INFORMA TION T O WING SAFETY CA UTION  Chec k with your local county or state saf ety towing regulations , in addition to meeting Department of T ranspor tation (DO T) Saf ety T owi ng Regulat ions, bef ore tow ing your light to wer .  In order to re[...]

ML T20 SERIES LIGHT TO WER • OPERA TION MANU AL — REV . #0 (01/18/13) — P A GE 9 SAFETY INFORMA TION TRANSPORTING SAFETY CA UTION  Bef ore lifting, make sure that light tow er par ts are not damaged and screws are not loosened or lost.  AL W A YS make sure crane or lifting device has been properly secured to lifting hook of the equipmen[...]

P A GE 10 — ML T20 SERIES LIGHT TO WER • OPERA TION MANU AL — REV . #0 (01/18/13) SAFETY INFORMA TION ELECTRICAL SAFETY D ANGER .  NEVER operate light tower or handle any electrical equipm ent while standing in water , while baref oot, while hands are wet or in the rain. A dangerous electrical shock could occur , causing severe bodily harm[...]

ML T20 SERIES LIGHT TO WER • OPERA TION MANU AL — REV . #0 (01/18/13) — P A GE 11 SPECIFICA TIONS T able 1. ML T20 Series Specifications Light T ower Specifications W eight (with genset/trailer) With Fuel - 4,450 lb . (2,018 kg.) Without Fuel - 3,740 lb . (1,696 kg.) Lamps ML T20DCA F our 1,000-W att Metal Halide ML T20DCA6 Six 1,000-W att [...]

P A GE 12 — ML T20 SERIES LIGHT TO WER • OPERA TION MANU AL — REV . #0 (01/18/13) DIMENSIONS Figure 1. Dimensions T able 2. Dimensions Reference Letter Description Dimension A Length (Mast Stowed P osition) 170 in. (431 cm.) B Length (Mast Deplo yed P osition) 101 in. (256 cm.) C Max. Height (Mast Deploy ed Position) 31.5 ft. (9.6 m) D Height[...]

ML T20 SERIES LIGHT TO WER • OPERA TION MANU AL — REV . #0 (01/18/13) — P A GE 13 GENERAL INFORMA TION The Multiquip ML T20 Series Light T ower is a dedicated general pur pose light tow er engineered to provide dependable lighting f or a wide range of applications. This includes lighting for constr uction sites, industr ial locations, special[...]

P A GE 14 — ML T20 SERIES LIGHT TO WER • OPERA TION MANU AL — REV . #0 (01/18/13) COMPONENTS 1 2 3 5 5 4 6 9 8 7 10 1 1 12 13 14 15 16 17 18 18 19 Figure 2 and Figure 3 show the location of the controls and components for the ML T20 Series light tower . The function of each control is described below . 1. Mast Rotation Locking Knob — Unscre[...]

ML T20 SERIES LIGHT TO WER • OPERA TION MANU AL — REV . #0 (01/18/13) — P A GE 15 COMPONENTS 13. T ongue Jackstand — Use this jackstand to support the tongue when attaching the light tower to a towing vehicle . 14. Safety Chain — Always attach saf ety ch ain to t he tow ing v ehicle . Nev er tow the light tow er with the saf ety chain una[...]

P A GE 16 — ML T20 SERIES LIGHT TO WER • OPERA TION MANU AL — REV . #0 (01/18/13) INSPECTION BEFORE ST ARTING 1 . Read all safety instructions at the beginning of manual. 2. Cl ea n the li gh t tow er , rem o v in g di rt an d dus t, partic u la rly the engine cooling air inlet and air cleaner . 3. Check the air filter f or dir t and dust. I[...]

ML T20 SERIES LIGHT TO WER • OPERA TION MANU AL — REV . #0 (01/18/13) — P A GE 17 b . Locate the k e y slot A on each female connector as shown in Figure 5. Figure 5. Female and Male Connector c. On the corresponding male connector, locate the ke y tab B as shown in Figure 5. d. Align the ke y tab B on the male connector with the ke y slot A [...]

P A GE 18 — ML T20 SERIES LIGHT TO WER • OPERA TION MANU AL — REV . #0 (01/18/13) OPERA TION ST ARTING THE ENGINE MAST OPERA TION Outriggers and Support Stands See Figure 6 f or location of components. 1. Mak e sure both outriggers are exte nded. T o ext end the out rigg ers , pull the loc king pin on the outrig ge r and hold while sliding ou[...]

ML T20 SERIES LIGHT TO WER • OPERA TION MANU AL — REV . #0 (01/18/13) — P A GE 19 Figure 7. Raising the Mast MAST ROT A TION HANDLE (2) MAST ROT A TION LOCKING KNOB CRADLE LOCK/RELEASE LEVER MAST CRADLE SUPPORT MAST LOCK HANDLE MAST LOCK/RELEASE PIN OPERA TION[...]

P A GE 20 — ML T20 SERIES LIGHT TO WER • OPERA TION MANU AL — REV . #0 (01/18/13) OPERA TION Raising the Mast Once the tower mast has been lock ed into its vertical position, the mast can now be raised. The tower allows the lamps to be e xtended upwards in e xcess of 30 feet. Ref er to Figure 7 f or location of components. 1. T ur n the mast [...]

ML T20 SERIES LIGHT TO WER • OPERA TION MANU AL — REV . #0 (01/18/13) — P A GE 21 2. Adjust the V oltage Regulator Knob to 120V AC . Chec k the AC voltmeter for the correct reading. See Figure 9. Figure 9. V oltage Regulator Knob and A C V oltmeter 3. Switch the appropriate circuit break ers to the ON position for the lamps (Figure 10) that y[...]

P A GE 22 — ML T20 SERIES LIGHT TO WER • OPERA TION MANU AL — REV . #0 (01/18/13) MAINTENANCE GENERAL INSPECTION Prior to each use, the light tower should be cleaned and ins pect ed. Chec k for loos e, missi ng, or dama ged nuts , bolts or other f asteners. GENERA TOR/ENGINE MAINTENANCE Ref er to the accompanying DCA20SPXU2 Operator and P ar [...]

ML T20 SERIES LIGHT TO WER • OPERA TION MANU AL — REV . #0 (01/18/13) — P A GE 23 MAINTENANCE SER VICING THE MAST EXTENSION CABLE SYSTEM T o replace the cable in the mast e xtension cab le system, use the f ollowing steps (See Figure 12): Figure 12. Mast Extension Cable System 1. Lower the mast to the horizontal resting position. 2. In s pe c[...]

P A GE 24 — ML T20 SERIES LIGHT TO WER • OPERA TION MANU AL — REV . #0 (01/18/13) MAINTENANCE — TRAILERS The f ollowing tr ailer maintenance guidelines are intended to assist the operator in pre v entiv e maintenance. TRAILER BRAKES Properly functioning brak e shoes and drums are essential to ensure saf ety . The brak es should be inspected[...]

ML T20 SERIES LIGHT TO WER • OPERA TION MANU AL — REV . #0 (01/18/13) — P A GE 25 MAINTENANCE — TRAILERS P er iodically chec k the actuator mounting fasteners f or damage or loosening. Inspect the actuator f or w orn or damaged par ts. As you are towing y our trailer , be aware of any changes in braking quality . This could be an early war [...]

P A GE 26 — ML T20 SERIES LIGHT TO WER • OPERA TION MANU AL — REV . #0 (01/18/13) MAINTENANCE — TRAILERS  After remo ving the dust cap , cotter pin, spindle nut and spindle washer , remo ve the hub to inspect the bear ings f or wear and damage .  Replace bear ings that have flat spots on rollers , brok en roll er cag es, r ust or pit[...]

ML T20 SERIES LIGHT TO WER • OPERA TION MANU AL — REV . #0 (01/18/13) — P A GE 27 SAFETY GUIDELINES — TRAILERS The fol lo win g guide line s are intende d to assis t the oper at or in the operation and handling of a trailer . Saf ety precautions should be f ollow ed at all times when operating a trailer . F ailure to read, understand and f [...]

P A GE 28 — ML T20 SERIES LIGHT TO WER • OPERA TION MANU AL — REV . #0 (01/18/13) SAFETY GUIDELINES — TRAILERS DRIVING CONDITIONS Whe n towi ng a tra il er , you will ha v e decre as ed acce le ra ti on, increased stopping distance, and increased tur ning radius (which means you must mak e wider tur ns to keep from hitting curbs, v ehicles,[...]

ML T20 SERIES LIGHT TO WER • OPERA TION MANU AL — REV . #0 (01/18/13) — P A GE 29 SAFETY GUIDELINES — TRAILERS INOPERABLE BRAKES, LIGHTS OR MIRRORS Be sure that the br akes and all of the lights on y our trailer are functioning properly before towing your trailer . Check the tra il er tail li ght s by turning on you r tow ve hi cle hea dli [...]

P A GE 30 — ML T20 SERIES LIGHT TO WER • OPERA TION MANU AL — REV . #0 (01/18/13) SAFETY GUIDELINES — TRAILERS Figure B. VIN T ag Location The trailer VIN T ag contains the follo wing critical safety inf ormation for the use of y our trailer . GA WR : The maxi mum gro ss we ig ht tha t an axle can su p po rt. It is the lowest of axle , whee[...]

ML T20 SERIES LIGHT TO WER • OPERA TION MANU AL — REV . #0 (01/18/13) — P A GE 31 SAFETY GUIDELINES — TRAILERS E M E R G E N C Y F L A R E S A N D T R I A N G L E R E F L E C T O R S It is wise to carr y these warning devices ev en if you are not towing a trailer . It is par ticularly impor tant to hav e these when towing a trailer because [...]

P A GE 32 — ML T20 SERIES LIGHT TO WER • OPERA TION MANU AL — REV . #0 (01/18/13) SAFETY GUIDELINES — TRAILERS or is wor n, the tr ailer can come loose from the tow v ehicle and ma y cause death or serious injur y . THE TO W VEHICLE, HITCH AND BALL MUST HA VE A RA TED T O WING CAP ACITY EQU AL T O OR GREA TER THAN THE TRAILER Gross V ehic l[...]

ML T20 SERIES LIGHT TO WER • OPERA TION MANU AL — REV . #0 (01/18/13) — P A GE 33 SAFETY GUIDELINES — TRAILERS If the coupler cannot be secured to the hitch ball, do not tow the trailer . Call y our dealer f or assistance. Lower the tr ai ler so that its enti re ton gue we ig ht is hel d by the hitch and continue retracting the jac k to its[...]

P A GE 34 — ML T20 SERIES LIGHT TO WER • OPERA TION MANU AL — REV . #0 (01/18/13) SAFETY GUIDELINES — TRAILERS Connecting T railer Lights Connect the trailer lights to the tow vehicle’ s electrical system using the electr ic connectors at the front of the trailer (tongue). Ref er to the wiring diagram shown in the trailer wir ing diagram [...]

ML T20 SERIES LIGHT TO WER • OPERA TION MANU AL — REV . #0 (01/18/13) — P A GE 35 SAFETY GUIDELINES — TRAILERS the ball andco upl er syst em. All bent or brok en couple r parts must be replaced bef ore to wing the trailer . THE T O W VEHICLE, PINTLE HITCH AND PINTLE COUPLER MUST HA VE A RA TED T OWING CAP ACITY EQU AL T O OR GREA TER THAN T[...]

P A GE 36 — ML T20 SERIES LIGHT TO WER • OPERA TION MANU AL — REV . #0 (01/18/13) SAFETY GUIDELINES — TRAILERS TIRE SAFETY Unsafe Tires, Lug Nuts or Wheels T railer tires and wheels are more lik ely to f ail than car tires and wheels because the y carry a hea vier load. Therefore, it is essential to inspect the trailer tires bef ore each to[...]

ML T20 SERIES LIGHT TO WER • OPERA TION MANU AL — REV . #0 (01/18/13) — P A GE 37 SAFETY GUIDELINES — TRAILERS There is a vehicle placard (Figure I) located in the same location as the cer tifi cation label described abov e. This placard pro vides tire and loading information. In addition, this placard will s how a sta tement regardin g ma[...]

P A GE 38 — ML T20 SERIES LIGHT TO WER • OPERA TION MANU AL — REV . #0 (01/18/13) SAFETY GUIDELINES — TRAILERS Use the inf or mation contained in this section to make tire saf ety a regular par t of your vehicle maintenance routine. Recognize that the time y ou spend is minimal compared with the inconv enience and saf ety consequences of a [...]

ML T20 SERIES LIGHT TO WER • OPERA TION MANU AL — REV . #0 (01/18/13) — P A GE 39 SAFETY GUIDELINES — TRAILERS Uniform Tire Quality Grading Standar ds (UTQGS) T readwear Number : This number indicates the tire’ s wear rate. The higher the treadwear number is, the longer it should take f or the tread to w ear down. F or e xample, a tire gr[...]

P A GE 40 — ML T20 SERIES LIGHT TO WER • OPERA TION MANU AL — REV . #0 (01/18/13) SAFETY GUIDELINES — TRAILERS T able B below will help pinpoint the causes and solutions of tire wear prob lems. Wheel Rims If the trailer has been str uc k, or impacted, on or near the whe els , or if the tra ile r has struc k a curb , inspe ct the rims f or d[...]

ML T20 SERIES LIGHT TO WER • OPERA TION MANU AL — REV . #0 (01/18/13) — P A GE 41 SAFETY GUIDELINES — TRAILERS Lights and Signals Bef ore each tow , chec k the trailer taillights, stoplights, tur n signals and any clearance lights f or proper operation. T able C. Tire T orque Requirements Wheel Size First P ass FT -LBS Second Pass FT -LBS T[...]

P A GE 42 — ML T20 SERIES LIGHT TO WER • OPERA TION MANU AL — REV . #0 (01/18/13) TROUBLESHOOTING T able 5. Lamp T roub leshooting Symptom P ossible Cause Solution Lamp will not star t. Lamp Bur ned Out? T est the lamp in a fixture which is operating properly . Replace if necessar y . Lamp Loose in Sock et? Inspect lamp base to see if there [...]

ML T20 SERIES LIGHT TO WER • OPERA TION MANU AL — REV . #0 (01/18/13) — P A GE 43 TROUBLESHOOTING T able 5. Lamp T roub leshooting (continued) Symptom P ossible Cause Solution Lamp star ts slowly (ARC does not strike when s witch is first tur ned on) Def ectiv e Lamp? Lamp ma y glow f or extended period of time. Replace after checking v olta[...]

P A GE 44 — ML T20 SERIES LIGHT TO WER • OPERA TION MANU AL — REV . #0 (01/18/13) LAMP TROUBLESHOO TING GUIDE Use the following procedure and wiring diagr ams on the ne xt pages to determine which of the f our lamps is not functioning: Connections 1. Make sure that lamp #1 power cable is plugged into the J1 connector on the T -Bar assembly . [...]

ML T20 SERIES LIGHT TO WER • OPERA TION MANU AL — REV . #0 (01/18/13) — P A GE 45 NOTES[...]

P A GE 46 — ML T20 SERIES LIGHT TO WER • OPERA TION MANU AL — REV . #0 (01/18/13) ELECTRONIC COMPONENT LOCA TOR (ML T20DCA) O U V B LA C K R E D W HI T E G RE E N O U V BLACK RED WHITE GREEN J1 J2 J3 J4 LAMP 1 LAMP 2 LAMP 3 LAMP 4 P Q R S A E D C B J K L M F G H I N O NO TICE Ref erence ML T20DCA (4-lamp) wir ing diagram on succeeding pages.[...]

ML T20 SERIES LIGHT TO WER • OPERA TION MANU AL — REV . #0 (01/18/13) — P A GE 47 H I J K L M T U V W X Y Z D F O U V B L A C K R E D W H I T E G R E E N G E C B O U V BLACK RED WHITE GREEN N O P Q R S A A1 ELECTRONIC COMPONENT LOCA TOR (ML T20DCA6) NO TICE Ref erence ML T20DCA6 (6-lamp) wir ing diagram on succeeding pages.[...]

P A GE 48 — ML T20 SERIES LIGHT TO WER • OPERA TION MANU AL — REV . #0 (01/18/13) WIRING DIAGRAM (ML T20DCA) O U V BLACK RED WHITE GREEN GROUND CONNECTION BE USED A T ALL TIMES MUST L1 L2 2-POLE, 15 AMP CIRCUIT BREAKER RED 14 AWG A B BLK 14 AWG OUTPUT TERMINAL P ANEL REAR CONNECTIONS GREEN 14 AWG NEU. GND. NOTES: B GROUND STUD A 1 RESISTOR IS[...]

ML T20 SERIES LIGHT TO WER • OPERA TION MANU AL — REV . #0 (01/18/13) — P A GE 49 WIRING DIAGRAM (ML T20DCA) O U V BLACK RED WHITE GREEN GROUND CONNECTION BE USED A T ALL TIMES MUST L1 L2 2-POLE, 15 AMP CIRCUIT BREAKER RED 14 AWG A B BLK 14 AWG OUTPUT TERMINAL P ANEL REAR CONNECTIONS GREEN 14 AWG NEU. GND. NOTES: B GROUND STUD A 1 RESISTOR IS[...]

P A GE 50 — ML T20 SERIES LIGHT TO WER • OPERA TION MANU AL — REV . #0 (01/18/13) WIRING DIAGRAM (ML T20DCA6) O U V BLACK RED WHITE GREEN GROUND CONNECTION BE USED A T ALL TIMES MUST L1 L2 2-POLE, 15 AMP CIRCUIT BREAKER RED 14 AWG A B BLK 14 AWG OUTPUT TERMINAL P ANEL REAR CONNECTIONS GREEN 14 AWG NEU. GND. NOTES: B GROUND STUD A 1 RESISTOR I[...]

ML T20 SERIES LIGHT TO WER • OPERA TION MANU AL — REV . #0 (01/18/13) — P A GE 51 WIRING DIAGRAM (ML T20DCA6) O U V BLACK RED WHITE GREEN GROUND CONNECTION BE USED A T ALL TIMES MUST L1 L2 2-POLE, 15 AMP CIRCUIT BREAKER RED 14 AWG A B BLK 14 AWG OUTPUT TERMINAL P ANEL REAR CONNECTIONS GREEN 14 AWG NEU. GND. NOTES: B GROUND STUD A 1 RESISTOR I[...]

OPERA TION MANUAL Y our Local Dealer is: HERE’S HOW TO GET HELP PLEASE HA VE THE MODEL AND SERIAL NUMBER ON-HAND WHEN CALLING United St a teS Multiquip Corporate Office MQ P arts Depar tment 18910 Wilmington A v e. Carson, CA 90746 Contact: mq@multiquip .com T el. (800) 421-1244 F ax (310) 537-3927 800-427-1244 310-537-3700 F ax: 800-672-7877 F [...]