Multiquip LT12D50SA manual

OPERA TION MANUAL THIS MANU AL MUST A CCOMP ANY THE EQ UIPMENT A T ALL TIMES. To fi nd the latest revision of this publication, visit our website at: www .m ultiquip.com NIGHTHA WK SERIES MODEL L T12D50SA DEDICA TED LIGHT TOWER (LOMBARDINI LDW 1003 DIESEL ENGINE) Re vision #0 (03/16/09) PN 49120[...]

P A GE 2 — L T12D50SA LIGHT T O WER • OPERA TION MANU AL — REV . #0 (03/16/09) T ABLE OF CONTENTS L T12D50SA Light T ower T ab le Of Contents .................................................... 2 Saf ety Inf ormation .............................................. 3-10 Lamp F ootcandle Plot ............................................ 11 Spec[...]

L T12D50SA LIGHT T OWER • OPERA TION MANU AL — REV . #0 (03/16/09) — P A GE 3 SAFETY INFORMA TION Do not operate or service the equipment before reading the entire manual. Saf ety precautions should be f ollow ed at all times when operating this equipment. F ailure to read and understand the saf ety messages and operating instructions could r[...]

P A GE 4 — L T12D50SA LIGHT T O WER • OPERA TION MANU AL — REV . #0 (03/16/09) SAFETY INFORMA TION GENERAL SAFETY CA UTION NEVER  operate this equipment without proper protectiv e clothing, shatter proof glasses, respiratory protection, hearing protection, steel-toed boots and other protective de vices required by the job or city and state[...]

L T12D50SA LIGHT T OWER • OPERA TION MANU AL — REV . #0 (03/16/09) — P A GE 5 SAFETY INFORMA TION LIGHT T O WER SAFETY D ANGER NEVER  use light tower in r ain, snow , or areas of high humidity that could generate electrical stor ms. NEVER  operate the equipment in an e xplosive atmosphere or near combustib le materials. An e xplosion or[...]

P A GE 6 — L T12D50SA LIGHT T O WER • OPERA TION MANU AL — REV . #0 (03/16/09) SAFETY INFORMA TION ENGINE SAFETY D ANGER The engine fuel e xhaust gases contain poisonous carbon  mono xide. This gas is colorless and odor less, and can cause death if inhaled. The engine of this equipment  requires an adequate free fl ow of cooling air . [...]

L T12D50SA LIGHT T OWER • OPERA TION MANU AL — REV . #0 (03/16/09) — P A GE 7 SAFETY INFORMA TION FUEL SAFETY D ANGER DO NO T  star t the engine near spilled fuel or combustible fl uids. Diesel fuel is e xtremely fl ammable and its vapors can cause an e xplosion if ignited. AL W A YS  refuel in a well-ventilated area, a way from spark[...]

P A GE 8 — L T12D50SA LIGHT TO WER • OPERA TION MANU AL — REV . #0 (03/16/09) SAFETY INFORMA TION TRANSPORTING SAFETY CA UTION Bef ore lifting, make sure that light to wer parts are not  damaged and screws are not loosened or lost. AL W A YS  make sure crane or lifting de vice has been properly secured to lifting hook of the equipment. [...]

L T12D50SA LIGHT TO WER • OPERA TION MANU AL — REV . #0 (03/16/09) — P A GE 9 SAFETY INFORMA TION ELECTRICAL SAFETY D ANGER The electrical voltage required to operate the gener ator  can cause se v ere injur y or e ven death through ph ysical contact with live circuits . T ur n generator and all circuit breakers OFF bef ore performing main[...]

P A GE 10 — L T12D50SA LIGHT TO WER • OPERA TION MANU AL — REV . #0 (03/16/09) SAFETY INFORMA TION B A TTER Y SAFETY D ANGER DO NO T  drop the batter y . There is a possibility that the batter y will e xplode. DO NO T  e xpose the battery to open fl ames, sparks, cigarettes, etc. The batter y contains combustib le gases and liquids. If[...]

L T12D50SA LIGHT TO WER • OPERA TION MANU AL — REV . #0 (03/16/09) — P A GE 11 LAMP FOOTCANDLE PLOT Lamp Footcandle Plot Figure 1.[...]

P A GE 12 — L T12D50SA LIGHT TO WER • OPERA TION MANU AL — REV . #0 (03/16/09) SPECIFICA TIONS T able 1. L T12D50SA Specifi cations Light T ower Model L T12D50SA Engine Model Lombardini LD W 1003 Diesel Engine W eight (Dr y) 1,550 lbs. (700 kg.) Suppor t P oints 5 Wind Stability with Genset 65 mph (80.46 kph) Lamps F our 1,000-W att Metal Ha[...]

L T12D50SA LIGHT TO WER • OPERA TION MANU AL — REV . #0 (03/16/09) — P A GE 13 SPECIFICA TIONS Engine Specifi cations T able 2. Lombardini LD W 1003 Diesel Engine Engine T ype 3-cylinder , Diesel Engine Displacement 62.73 cu. in. (1028 cc) Max Output Standby 11 H.P . at 1,500 R.P .M. Fuel T ank Capacity Appro x. 30 U .S . Gallons (113 Liters[...]

P A GE 14 — L T12D50SA LIGHT TO WER • OPERA TION MANU AL — REV . #0 (03/16/09) DIMENSIONS Dimensions Figure 2. Dimensions T able 3. 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 P osition) 31.5 ft. (9.6 m) D Height ([...]

L T12D50SA LIGHT TO WER • OPERA TION MANU AL — REV . #0 (03/16/09) — P A GE 15 GENERAL INFORMA TION The Multiquip L T12D50SA Light T ow er is a dedicated general purpose light tower engineered to provide dependable lighting f or a wide range of applications. This includes lighting f or construction sites, industrial locations, special e v ent[...]

P A GE 16 — L T12D50SA LIGHT TO WER • OPERA TION MANU AL — REV . #0 (03/16/09) COMPONENTS Major Components (Control P anel Side) Figure 3. 8 6 11 10 12 14 15 16 17 1 2 4 5 7 9 3 13 18 18 Figures 3 and 4 show the location of the controls and components f or the L T12D50SA light tower . The function of each control is described below . Mast Rot[...]

L T12D50SA LIGHT TO WER • OPERA TION MANU AL — REV . #0 (03/16/09) — P A GE 17 COMPONENTS Safety Chain 14. — Alwa ys attach safety chain to the towing v ehicle. Nev er tow the light tower with the saf ety chain unattached. Ball Hitch Coupler 15 . — Attach this coupler to the towing v ehicle. Use only the specifi ed ball diameter as indic[...]

P A GE 18 — L T12D50SA LIGHT TO WER • OPERA TION MANU AL — REV . #0 (03/16/09) CONTROL P ANEL Controls and Indicator s Figure 5. = NO T U S ED LIGHT CONTROL/BREAKER LOMBARDINI 120 V AC/15A GFCI BREAKER 240 V AC/30A MAIN BREAKER 10 11 8 13 7 9 12 6 3 2 1 4 5[...]

L T12D50SA LIGHT TO WER • OPERA TION MANU AL — REV . #0 (03/16/09) — P A GE 19 CONTROL P ANEL Figure 5 shows the location of the controls and indicators on the control panel f or the diff erent engines used with the L T12 light tower . Service the equipment as needed depending on the alar m indicated. Below is a brief explanation of each cont[...]

P A GE 20 — L T12D50SA LIGHT TO WER • OPERA TION MANU AL — REV . #0 (03/16/09) INSPECTION BEFORE ST ARTING Read all saf ety instructions at the beginning of 1. manual. Clean the light tower , removing dir t and dust, par ticularly 2. the engine cooling air inlet and air cleaner . Check the air fi lter f or dir t and dust. If air fi lter is [...]

L T12D50SA LIGHT TO WER • OPERA TION MANU AL — REV . #0 (03/16/09) — P A GE 21 T o check the engine fuel le vel, make sure the light 1. tower is placed on secure le vel ground with the engine stopped. Lift the light tower access door (Figure 7) opposite the 2. control panel. Set the door suppor t latch in place to keep the door open (up). Add[...]

P A GE 22 — L T12D50SA LIGHT TO WER • OPERA TION MANU AL — REV . #0 (03/16/09) INSPECTION COOLANT It is recommended that antifreeze/summer coolant be used with the engine. This can be purchased pre-diluted or in concentrate and mix ed with 50% demineraliz ed water . See engine owner's manual f or more details. Da y-to-da y addition of co[...]

L T12D50SA LIGHT TO WER • OPERA TION MANU AL — REV . #0 (03/16/09) — P A GE 23 Light tower is placed on secure le vel ground with choc k  bloc ks underneath each wheel to prev ent the light tow er from rolling. Outriggers hav e been fully e xtended to pre v ent the trailer  from tipping. Light tower tr ailer suppor t stands hav e been p[...]

P A GE 24 — L T12D50SA LIGHT TO WER • OPERA TION MANU AL — REV . #0 (03/16/09) OPERA TION ST ARTING THE ENGINE Open the access panel door on the right side of the 1. light tower (opposite the fuel tank). Set the door latch in place to hold the door open (up). Ensure all breakers are off . 2. Inser t the ignition key into the ignition k ey swi[...]

L T12D50SA LIGHT TO WER • OPERA TION MANU AL — REV . #0 (03/16/09) — P A GE 25 As soon as the pin clears the tra vel position hole , 2. release it and continue sliding out the outrigger . The pin must snap into the outrigger locking hole in the e xtended position. After e xtending all outriggers, rotate all trailer jac k 3. stands into the f [...]

P A GE 26 — L T12D50SA LIGHT TO WER • OPERA TION MANU AL — REV . #0 (03/16/09) OPERA TION Mast Operation Figure 16. MAST CRADLE SUPPORT RET AINING PIN CRADLE LOCK/ RELEASE PIN MAST LOCK/ RELEASE PIN MAST LOCK HANDLE VERTICAL MAST WINCH MAST ROT A TION LOCKING KNOB ROT A TING THE MAST MAST ROT A TION HANDLES MAST EXTENSION WINCH[...]

L T12D50SA LIGHT TO WER • OPERA TION MANU AL — REV . #0 (03/16/09) — P A GE 27 TURNING ON THE LAMPS The main circuit breaker (30 amps), and 4 lamp circuit breakers (15 amps each) are located on the upper control panel (Figure17). Place the main circuit breaker (Figure 17) on the control 1. panel to the ON position. Control P anel Circuit Brea[...]

P A GE 28 — L T12D50SA LIGHT TO WER • OPERA TION MANU AL — REV . #0 (03/16/09) NORMAL SHUTDO WN If a load is attached to the generator of the light tow er , 1. remov e the load. Set the f our lamp circuit breakers on the control panel 2. to the OFF position. Place the MAIN circuit breaker on the control panel to 3. the OFF position. W ait a f[...]

L T12D50SA LIGHT TO WER • OPERA TION MANU AL — REV . #0 (03/16/09) — P A GE 29 MAINTENANCE B ASIC INSPECTION AND MAINTENANCE See T able 7 below f or a general inspection and maintenance checklist. F or more detailed maintenance, ref er to the engine ser vice manual. Inspection/Maintenance T able 7. Frequency 10 hrs Daily 200 hrs 500 hrs 1000 [...]

P A GE 30 — L T12D50SA LIGHT TO WER • OPERA TION MANU AL — REV . #0 (03/16/09) MAINTENANCE GENERAL INSPECTION Prior to each use, the light tower should be cleaned and inspected f or defi ciencies. Check f or loose, missing or damaged nuts, bolts or other f asteners. Also check f or fuel or oil leaks. Air Cleaner Check dust indicators on cont[...]

L T12D50SA LIGHT TO WER • OPERA TION MANU AL — REV . #0 (03/16/09) — P A GE 31 Adjust the fl ow of the water fl owing in and draining 6. out to ensure that the radiator is alwa ys full dur ing the fl ushing operation. While fl ushing water through the system, make sure the w ater inlet hose does not come out of the radiator fi ller por t[...]

P A GE 32 — L T12D50SA LIGHT TO WER • OPERA TION MANU AL — REV . #0 (03/16/09) MAINTENANCE CHECK CABLE WEAR The wire rope (cable) that r aises and e xtends the mast is a very impor tant par t of the light tower . There is one cab le/ hand winch system, located on the tongue of the trailer , that raises and e xtends the light tow er mast. Ther[...]

L T12D50SA LIGHT TO WER • OPERA TION MANU AL — REV . #0 (03/16/09) — P A GE 33 Route the upper mast cable through the center mast 6. pulley and connect the free end of the cab le to the lower mast ankle shac kle . Route the center mast cable through the lo wer mast pulle y and connect the free end of the cable to the hand winch at the bottom [...]

P A GE 34 — L T12D50SA LIGHT TO WER • OPERA TION MANU AL — REV . #0 (03/16/09) MAINTENANCE — TRAILERS The f ollowing trailer maintenance guidelines are intended to assist the operator in pre v entiv e maintenance. ADJUST ABLE CHANNEL Y our trailer may be equipped with an adjustab le channel (Figure 21) that allows the coupler to be raised o[...]

L T12D50SA LIGHT TO WER • OPERA TION MANU AL — REV . #0 (03/16/09) — P A GE 35 MAINTENANCE — TRAILERS D ANGER NEVER cra wl under the trailer unless it is on fi rm and le v el ground and resting on properly placed and secured jackstands . The possibility e xists of the trailer f alling thus causing equipment damage and se v ere bodily harm [...]

P A GE 36 — L T12D50SA LIGHT TO WER • OPERA TION MANU AL — REV . #0 (03/16/09) TROUBLESHOOTING Practically all breakdowns can be pre vented b y proper handling and maintenance inspections, b ut in the e v ent of a breakdown, please tak e remedial action f ollowing the diagnosis based on the troub leshooting tab les. If the problem cannot be r[...]

L T12D50SA LIGHT TO WER • OPERA TION MANU AL — REV . #0 (03/16/09) — P A GE 37 TROUBLESHOOTING Engine T roubleshooting T able 9. Symptom P ossible Cause Solution Engine does not star t. No fuel? Replenish fuel. Air in the fuel system? Bleed system. W ater in the fuel system? Remov e water from fuel tank. Fuel pipe clogged? Clean fuel pipe. Fu[...]

P A GE 38 — L T12D50SA LIGHT TO WER • OPERA TION MANU AL — REV . #0 (03/16/09) T able 9. Engine T roub leshooting (continued) Symptom P ossible Cause Solution Engine re v olution is not smooth. Fuel fi lter clogged or dirty? Clean or change. Air cleaner clogged? Clean or change. Fuel leak due to loose injection pipe retaining nut? Tighten nu[...]

L T12D50SA LIGHT TO WER • OPERA TION MANU AL — REV . #0 (03/16/09) — P A GE 39 Lamp T roubleshooting T able 10. Symptom P ossible Cause Solution Lamp will not star t. Lamp Bur ned Out? T est the lamp in a fi xture which is oper ating properly . Replace if necessar y . Lamp Loose in Sock et? Inspect lamp base to see if there is arcing at cent[...]

P A GE 40 — L T12D50SA LIGHT TO WER • OPERA TION MANU AL — REV . #0 (03/16/09) TROUBLESHOOTING T able 10. Lamp T roub leshooting (continued) Symptom P ossible Cause Solution Lamp star ts slowly (ARC does not strike when s witch is fi rst tur ned on) Def ectiv e Lamp? Lamp ma y glow f or extended period of time. Replace after checking v oltag[...]

L T12D50SA LIGHT TO WER • OPERA TION MANU AL — REV . #0 (03/16/09) — P A GE 41 LAMP TROUBLESHOO TING GUIDE Use the f ollowing procedure and wiring diagram on the ne xt page to determine which of the four lamps is not functioning: Connections Make sure that lamp #1 po wer cab le is plugged into 1. the J1 connector on the T -Bar assembly . Make[...]

P A GE 42 — L T12D50SA LIGHT TO WER • OPERA TION MANU AL — REV . #0 (03/16/09) L T12D50SA WIRING DIAGRAM — S/N 902625 AND BELOW 60 HZ 50 HZ ROTOR ST A TOR EXCIT A TION WINDING C1 35µF@425V EXCIT A TION CAP ACITOR ST A TOR WINDING ROTOR WINDINGS FIXED FLOW CURRENT DIODE BLACK 4 BLACK 3 BLACK 1 RED BLK BLK BLK BLK BLK RED RED 44444 33333 222[...]

L T12D50SA LIGHT TO WER • OPERA TION MANU AL — REV . #0 (03/16/09) — P A GE 43 GRN WHT CB6 15 AMP AUX. BREAKER 230 V AC AUX RECPT . TB2 WHT GRN WHT CHASSIS GROUND WHT CB4 15 AMP BREAKER (LAMP 4) CB3 15 AMP BREAKER (LAMP 3) CB2 15 AMP BREAKER (LAMP 2) CB1 15 AMP BREAKER (LAMP 1) NEU. 230V IN OUTPUT BALLAST #4 30µF@440V CAP ACITOR NEU. 230V IN[...]

P A GE 44 — L T12D50SA LIGHT TO WER • OPERA TION MANU AL — REV . #0 (03/16/09) L T12D50SA WIRING DIAGRAM — S/N 902626 AND ABOVE 60 HZ 50 HZ ROTOR ST A TOR EXCIT A TION WINDING C1 35µF@425V EXCIT A TION CAP ACITOR ST A TOR WINDING ROTOR WINDINGS FIXED FLOW CURRENT DIODE BLACK 4 BLACK 3 BLACK 1 RED BLK BLK BLK BLK BLK RED RED 44444 33333 222[...]

L T12D50SA LIGHT TO WER • OPERA TION MANU AL — REV . #0 (03/16/09) — P A GE 45 L T12D50SA WIRING DIAGRAM — S/N 902626 AND ABOVE GRN WHT CB6 15 AMP AUX. BREAKER 230 V AC AUX RECPT . TB2 WHT GRN WHT CHASSIS GROUND WHT CB4 15 AMP BREAKER (LAMP 4) CB3 15 AMP BREAKER (LAMP 3) CB2 15 AMP BREAKER (LAMP 2) CB1 15 AMP BREAKER (LAMP 1) NEU. 230V IN O[...]

P A GE 46 — L T12D50SA LIGHT TO WER • OPERA TION MANU AL — REV . #0 (03/16/09) LOMBARDINI ENGINE WIRING DIAGRAM Operating voltage: 10 to 16 VDC (30VDC max 10 sec.) A B A B[...]

L T12D50SA LIGHT TO WER • OPERA TION MANU AL — REV . #0 (03/16/09) — P A GE 47 TRAILER GUIDELINES The f ollowing guidelines are intended to assist the operator 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 follow the saf ety guidel[...]

P A GE 48 — L T12D50SA LIGHT TO WER • OPERA TION MANU AL — REV . #0 (03/16/09) DRIVING CONDITIONS When towing a trailer , you will hav e decreased acceleration, increased stopping distance, and increased turning radius (which means you m ust make wider turns to keep from hitting curbs, v ehicles, and an ything else that is on the inside cor n[...]

L T12D50SA LIGHT TO WER • OPERA TION MANU AL — REV . #0 (03/16/09) — P A GE 49 INOPERABLE BRAKES, LIGHTS OR MIRRORS Be sure that the brak es and all of the lights on your tr ailer are functioning properly before to wing your tr ailer . Check the trailer taillights b y turning on your tow v ehicle headlights. Check the tr ailer brak e lights b[...]

P A GE 50 — L T12D50SA LIGHT TO WER • OPERA TION MANU AL — REV . #0 (03/16/09) VIN T ag Location Figure B. The trailer VIN T ag contains the f ollowing critical safety inf ormation for the use of your tr ailer . GA WR : The maxim um gross weight that an axle cansupport. It is the lowest of axle , wheel, or tire rating. Usually , the tire or w[...]

L T12D50SA LIGHT TO WER • OPERA TION MANU AL — REV . #0 (03/16/09) — P A GE 51 SAFETY CHAINS If the coupler connection comes loose, the saf ety chains can keep the tr ailer attached to the tow v ehicle. With properly r igged saf ety chains, it is possib le to keep the tongue of the trailer from digging into the road pa vement, e v en if the c[...]

P A GE 52 — L T12D50SA LIGHT TO WER • OPERA TION MANU AL — REV . #0 (03/16/09) Rock the ball to mak e sure it is tightened to the hitch,  and visually check that the hitch ball n ut is solid against the lock washer and hitch fr ame. Wipe the inside and outside of the coupler . Clean and  visually inspect it f or crac ks and def ormation[...]

L T12D50SA LIGHT TO WER • OPERA TION MANU AL — REV . #0 (03/16/09) — P A GE 53 Attaching Safety Chain Visually inspect the saf ety chains and hooks f or wear or damage. Replace wor n or damaged safety chains and hooks bef ore towing. Attach the saf ety chains so that they: Cross under neath the coupler . See Figure E. • Attaching Safety Cha[...]

P A GE 54 — L T12D50SA LIGHT TO WER • OPERA TION MANU AL — REV . #0 (03/16/09) PINTLE HITCH COUPLER A pintle ey e coupler (Figure F) connects to a pintle-hook hitch that is located on or under the rear bumper of the to w vehicle . This system of coupling a trailer to a tow v ehicle is sometimes ref erred to as a “lunette ey e, tow ring or G[...]

L T12D50SA LIGHT TO WER • OPERA TION MANU AL — REV . #0 (03/16/09) — P A GE 55 Raise the bottom surf ace of the coupler to be abov e the  top of the pintle hitch hook. Use the tongue jackstand to suppor t the trailer tongue. W ood or concrete blocks ma y also be used. Coupling T railer to T ow V ehicle (Pintle Coupler) Slowly bac k up the [...]

P A GE 56 — L T12D50SA LIGHT TO WER • OPERA TION MANU AL — REV . #0 (03/16/09) wrench, use a lug wrench (from your to w v ehicle) and tighten the nuts as much as y ou can. Then hav e a ser vice garage or trailer dealer tighten the lug n uts to the proper torque. Lug nuts are also prone to loosen after first being assembled. When driving a ne [...]

L T12D50SA LIGHT TO WER • OPERA TION MANU AL — REV . #0 (03/16/09) — P A GE 57 Step 2. Deter mine the weight of the equipment being loaded on the tow v ehicle. That weight ma y not safely e xceed the av ailable equipment load capacity . The trailer’ s Tire Inf ormation Placard is attached adjacent to or near the trailer’ s VIN (Cer tifi [...]

P A GE 58 — L T12D50SA LIGHT TO WER • OPERA TION MANU AL — REV . #0 (03/16/09) Next number : This two-digit number is the wheel or rim diameter in inches. If you change your wheel siz e, y ou will hav e to purchase new tires to match the new wheel diameter . Next number : This two- or three-digit number is the tire’ s load inde x. It is a m[...]

L T12D50SA LIGHT TO WER • OPERA TION MANU AL — REV . #0 (03/16/09) — P A GE 59 Tires f or light trucks hav e other mar kings besides those f ound on the sidew alls of passenger tires. LT : The “L T” indicates the tire is for light trucks or tr ailers. ST : An “ST” is an indication the tire is for trailer use only . Max. Load Dual kg ([...]

P A GE 60 — L T12D50SA LIGHT TO WER • OPERA TION MANU AL — REV . #0 (03/16/09) Wheel Rims If the trailer has been struck, or impacted, on or near the wheels, or if the trailer has struc k a curb , inspect the rims f or damage (i.e. being out of round); and replace any damaged wheel. Inspect the wheels for damage e very year , ev en if no obvi[...]

L T12D50SA LIGHT TO WER • OPERA TION MANU AL — REV . #0 (03/16/09) — P A GE 61 T railer to T ow V ehicle Wiring Diagram Figure L. TRAILER GUIDELINES[...]

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 © COPYRIGHT 2009, MUL TIQUIP INC. Multiquip Inc and the MQ logo are registered trademarks of Multiquip Inc. and ma y not be used, reproduced, or altered without written permission. All other trademarks are the property of[...]