Instruction/ maintenance manual of the product LT12D50SA Multiquip
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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 .
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 ...........................
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.
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, s.
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.
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.
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.
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 .
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.
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.
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 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.
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.
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 .
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 .
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 .
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.
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 .
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.
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 .
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.
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).
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.
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.
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.
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.
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.
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.
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.
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.
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 .
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.
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 .
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.
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.
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.
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 .
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.
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.
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 EX.
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.
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 EX.
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.
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.
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 .
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 .
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.
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.
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.
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 .
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 .
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 .
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.
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.
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.
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 .
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.
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.
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.
An important point after buying a device Multiquip LT12D50SA (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Multiquip LT12D50SA yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Multiquip LT12D50SA - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Multiquip LT12D50SA you will learn all the available features of the product, as well as information on its operation. The information that you get Multiquip LT12D50SA will certainly help you make a decision on the purchase.
If you already are a holder of Multiquip LT12D50SA, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Multiquip LT12D50SA.
However, one of the most important roles played by the user manual is to help in solving problems with Multiquip LT12D50SA. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Multiquip LT12D50SA along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
