Instruction/ maintenance manual of the product LT12D 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 T12 SERIES LIGHT T O WER • OPERA TION MANU AL — REV . #12 (01/20/09) PROPOSITION 65 W ARNING Diesel engine exhaust and some of.
L T12 SERIES LIGHT T O WER • OPERA TION MANU AL — REV . #12 (01/20/09) — P A GE 3 If you believe that your vehicle has a defect that could cause a crash or could cause injury or death, you should immediately inform the National Highway T raffi c Safety Administration (NHTSA) in addition to notifying Multiquip at 1-800-421-1244.
P A GE 4 — L T12 SERIES LIGHT T O WER • OPERA TION MANU AL — REV . #12 (01/20/09) T ABLE OF CONTENTS L T12 Series Light T ower Proposition 65 W arning ........................................... 2 Repor ting Saf ety Def ects ....................
L T12 SERIES LIGHT T O WER • OPERA TION MANU AL — REV . #12 (01/20/09) — P A GE 5 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 6 — L T12 SERIES LIGHT T O WER • OPERA TION MANU AL — REV . #12 (01/20/09) SAFETY INFORMA TION GENERAL SAFETY CA UTION NEVER operate this equipment without proper protectiv e clothing.
L T12 SERIES LIGHT T O WER • OPERA TION MANU AL — REV . #12 (01/20/09) — P A GE 7 SAFETY INFORMA TION NEVER remo v e saf ety pin or pull mast locking pin while tow er is in a raised position! CHECK the mast and winch cab les f or wear .
P A GE 8 — L T12 SERIES LIGHT T O WER • OPERA TION MANU AL — REV . #12 (01/20/09) SAFETY INFORMA TION ENGINE SAFETY W ARNING DO NO T place hands or fingers inside engine compar tment when engine is running. NEVER operate the engine with heat shields or guards remov ed.
L T12 SERIES LIGHT T O WER • OPERA TION MANU AL — REV . #12 (01/20/09) — P A GE 9 SAFETY INFORMA TION FUEL SAFETY D ANGER DO NO T star t the engine near spilled fuel or comb ustib le fl uids. Diesel fuel is e xtremely fl ammable and its v apors can cause an e xplosion if ignited.
P A GE 10 — L T12 SERIES LIGHT T O WER • OPERA TION MANU AL — REV . #12 (01/20/09) SAFETY INFORMA TION TRANSPOR TING SAFETY CA UTION Bef ore lifting, mak e sure that light to wer par ts are not damaged and screws are not loosened or lost.
L T12 SERIES LIGHT T O WER • OPERA TION MANU AL — REV . #12 (01/20/09) — P A GE 11 SAFETY INFORMA TION ELECTRICAL SAFETY D ANGER The electrical voltage required to operate the gener ator can cause se v ere injury or ev en death through physical contact with liv e circuits.
P A GE 12 — L T12 SERIES LIGHT T O WER • OPERA TION MANU AL — REV . #12 (01/20/09) 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 expose the battery to open fl ames, sparks, cigarettes, etc.
L T12 SERIES LIGHT T O WER • OPERA TION MANU AL — REV . #12 (01/20/09) — P A GE 13 LAMP FOOTCANDLE PLOT Lamp Footcandle Plot Figure 1..
P A GE 14 — L T12 SERIES LIGHT T O WER • OPERA TION MANU AL — REV . #12 (01/20/09) SPECIFICA TIONS L T12 Series Specifi cations T able 1. Light T ower Model L T12D L T12P Engine Model Deutz F3M1008F/ Lombardini LD W 1003 Diesel Engine P erkins 103-10 Diesel Engine W eight (Dr y) 1,550 lbs.
L T12 SERIES LIGHT T O WER • OPERA TION MANU AL — REV . #12 (01/20/09) — P A GE 15 SPECIFICA TIONS Engine Specifi cations T able 2. P erkins 103-10 Diesel Engine Engine T ype Aspirated 4-strok e , 3-cylinder , 1 liter Diesel Engine Bore X Stroke 2.
P A GE 16 — L T12 SERIES LIGHT T O WER • OPERA TION MANU AL — REV . #12 (01/20/09) DIMENSIONS Dimensions Figure 2. Dimensions T able 3. Reference Letter Description Dimension A Length (Mast Stow ed P osition) 170 in. (431 cm.) B Length (Mast Deplo y ed P osition) 101 in.
L T12 SERIES LIGHT T O WER • OPERA TION MANU AL — REV . #12 (01/20/09) — P A GE 17 GENERAL INFORMA TION The Multiquip L T12 Ser ies Light T ower is a dedicated general purpose light tower engineered to provide dependable lighting f or a wide range of applications.
P A GE 18 — L T12 SERIES LIGHT T O WER • OPERA TION MANU AL — REV . #12 (01/20/09) 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 T12 ser ies light to wer .
L T12 SERIES LIGHT T O WER • OPERA TION MANU AL — REV . #12 (01/20/09) — P A GE 19 COMPONENTS Safety Chain 14. — Alwa ys attach safety chain to the towing v ehicle. Nev er tow the light tow er with the saf ety chain unattached. Ball Hitch Coupler 15 .
P A GE 20 — L T12 SERIES LIGHT T O WER • OPERA TION MANU AL — REV . #12 (01/20/09) CONTROL P ANEL Controls and Indicator s Figure 5. LOMBARDINI/DEUTZ ENGINE LOMBARDINI/DEUTZ ENGINE PERKINS ENGINE LOMBARDINI ENGINE = NO T USED HOURS 1/10 0.
L T12 SERIES LIGHT T O WER • OPERA TION MANU AL — REV . #12 (01/20/09) — P A GE 21 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 tow er . Ser vice the equipment as needed depending on the alar m indicated.
P A GE 22 — L T12 SERIES LIGHT T O WER • OPERA TION MANU AL — REV . #12 (01/20/09) INSPECTION BEFORE ST AR TING Read all saf ety instructions at the beginning of 1. manual. Clean the light tow er , removing dir t and dust, par ticularly 2. the engine cooling air inlet and air cleaner .
L T12 SERIES LIGHT T O WER • OPERA TION MANU AL — REV . #12 (01/20/09) — P A GE 23 FUEL CHECK T o check the engine fuel le vel, mak e sure the light 1. tow er is placed on secure le v el ground with the engine stopped. Lift the light tow er access door (Figure 7) opposite the 2.
P A GE 24 — L T12 SERIES LIGHT T O WER • OPERA TION MANU AL — REV . #12 (01/20/09) 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% demineralized w ater .
L T12 SERIES LIGHT T O WER • OPERA TION MANU AL — REV . #12 (01/20/09) — P A GE 25 Bef ore star ting the engine , mak e sure of the f ollo wing: The electrical load is disconnected and the main circuit breaker and all lamp (4) circuit break ers are switched to the OFF position.
P A GE 26 — L T12 SERIES LIGHT T O WER • OPERA TION MANU AL — REV . #12 (01/20/09) OPERA TION ST AR TING THE ENGINE The L T12 Ser ies Light T ower is a vailab le with two types of engines (P erkins or Lombardini/Deutz). The engine star ting procedure f or both engines are described below .
L T12 SERIES LIGHT T O WER • OPERA TION MANU AL — REV . #12 (01/20/09) — P A GE 27 MAST OPERA TION Outriggers and Support Stands See Figure 16 f or location of components . Make sure both outriggers are e xtended. T o e xtend the 1. outriggers, pull the locking pin on the outrigger and hold while sliding out the outrigger assembly .
P A GE 28 — L T12 SERIES LIGHT T O WER • OPERA TION MANU AL — REV . #12 (01/20/09) OPERA TION Mast Operation Figure 17. MAST CRADLE SUPPORT RET AINING PIN CRADLE LOCK/ RELEASE PIN MAST LOCK/ REL.
L T12 SERIES LIGHT T O WER • OPERA TION MANU AL — REV . #12 (01/20/09) — P A GE 29 Lowering the Mast T ur n the mast e xtension winch counterclockwise, and 1. obser v e that the mast begins to lower . Continue turning the winch counterclockwise until the 2.
P A GE 30 — L T12 SERIES LIGHT T O WER • OPERA TION MANU AL — REV . #12 (01/20/09) APPL YING AN EXTERNAL LO AD The light tow er is equipped with two auxiliary output receptacles (Figure 19). The upper most receptacle (twist- lock) located at the front of the light to wer can provide 240 V A C at 25 amps .
L T12 SERIES LIGHT T O WER • OPERA TION MANU AL — REV . #12 (01/20/09) — P A GE 31 MAINTENANCE B ASIC INSPECTION AND MAINTENANCE See T able 8 below f or a general inspection and maintenance chec klist. For more detailed maintenance , refer to the engine ser vice manual.
P A GE 32 — L T12 SERIES LIGHT T O WER • OPERA TION MANU AL — REV . #12 (01/20/09) MAINTENANCE GENERAL INSPECTION Prior to each use, the light tow er should be cleaned and inspected f or defi ciencies. Check f or loose, missing or damaged nuts , bolts or other f asteners .
L T12 SERIES LIGHT T O WER • OPERA TION MANU AL — REV . #12 (01/20/09) — P A GE 33 When the water le vel is near the mouth of the w ater 5. fi ller , open drain plugs and star t the engine, and run at low idling. K eep the engine r unning at lo w idling and fl ush the radiator f or about 10 minutes.
P A GE 34 — L T12 SERIES LIGHT T O WER • OPERA TION MANU AL — REV . #12 (01/20/09) MAINTENANCE REPLA CING FUEL FIL TER Set the container under the fi lter car tr idge to catch 1. fuel. Using a fi lter wrench, tur n the fi lter car tr idge to the left 2.
L T12 SERIES LIGHT T O WER • OPERA TION MANU AL — REV . #12 (01/20/09) — P A GE 35 Low er the mast to the horizontal resting position. 1. Inspect the cable clamps , pulleys, and other components 2. f or worn or damaged par ts. If either of the cables on the mast needs to be replaced, they should both be replaced at the same time.
P A GE 36 — L T12 SERIES LIGHT T O WER • OPERA TION MANU AL — REV . #12 (01/20/09) MAINTENANCE — TRAILERS The f ollo wing trailer maintenance guidelines are intended to assist the operator in pre ventiv e maintenance.
L T12 SERIES LIGHT T O WER • OPERA TION MANU AL — REV . #12 (01/20/09) — P A GE 37 D ANGER NEVER cra wl under the trailer unless it is on fi r m and le v el g round and resting on properly placed and secured jackstands .
P A GE 38 — L T12 SERIES LIGHT T O WER • OPERA TION MANU AL — REV . #12 (01/20/09) TROUBLESHOOTING Practically all breakdo wns can be pre v ented by proper handling and maintenance inspections, b ut in the ev ent of a breakdown, please tak e remedial action follo wing the diagnosis based on the troub leshooting tab les.
L T12 SERIES LIGHT T O WER • OPERA TION MANU AL — REV . #12 (01/20/09) — P A GE 39 TROUBLESHOOTING Engine T roubleshooting T able 10. Symptom P ossible Cause Solution Engine does not star t. No fuel? Replenish fuel. Air in the fuel system? Bleed system.
P A GE 40 — L T12 SERIES LIGHT T O WER • OPERA TION MANU AL — REV . #12 (01/20/09) T able 10. Engine T roubleshooting (contin ued) Symptom P ossible Cause Solution Engine re v olution is not smooth. Fuel fi lter clogged or dir ty? Clean or change.
L T12 SERIES LIGHT T O WER • OPERA TION MANU AL — REV . #12 (01/20/09) — P A GE 41 Lamp T roubleshooting T able 11. Symptom P ossible Cause Solution Lamp will not star t. Lamp Bur ned Out? T est the lamp in a fi xture which is operating properly .
P A GE 42 — L T12 SERIES LIGHT T O WER • OPERA TION MANU AL — REV . #12 (01/20/09) TROUBLESHOOTING T able 11. Lamp T roubleshooting (contin ued) 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 glo w f or e xtended per iod of time .
L T12 SERIES LIGHT T O WER • OPERA TION MANU AL — REV . #12 (01/20/09) — P A GE 43 LAMP TR OUBLESHOO TING GUIDE Use the f ollo wing procedure and wiring diagrams on the ne xt pages to determine which of the four lamps is not functioning: Connections Make sure that lamp #1 po wer cable is plugged into 1.
P A GE 44 — L T12 SERIES LIGHT T O WER • OPERA TION MANU AL — REV . #12 (01/20/09) 1 120 V AC 60 HZ 240 V AC 60 HZ 60 HZ 50 HZ 120 V AC 60 HZ ROTOR ST A TOR EXCIT A TION WINDING C1 36µF@425V EX.
L T12 SERIES LIGHT T O WER • OPERA TION MANU AL — REV . #12 (01/20/09) — P A GE 45 GRN BLK CB6 15 AMP BREAKER (GFCI) X Y 240 V AC AUX RECPT . 120 V AC GFCI RECEPT . LINE TB2 WHT GRN WHT W CHASSIS GROUND WHT GND G NEU. CB4 10 AMP BREAKER (LAMP 4) CB3 10 AMP BREAKER (LAMP 3) CB2 10 AMP BREAKER (LAMP 2) CB1 10 AMP BREAKER (LAMP 1) NEU.
P A GE 46 — L T12 SERIES LIGHT T O WER • OPERA TION MANU AL — REV . #12 (01/20/09) L T12 WIRING DIAGRAM — S/N 902149 TO 902625 4 120 V AC 60 HZ 240 V AC 60 HZ 60 HZ 50 HZ 120 V AC 60 HZ ROTOR .
L T12 SERIES LIGHT T O WER • OPERA TION MANU AL — REV . #12 (01/20/09) — P A GE 47 L T12 WIRING DIAGRAM — S/N 902149 TO 902625 GRN BLK CB6 15 AMP BREAKER (GFCI) X Y 240 V AC AUX RECPT . 120 V AC GFCI RECEPT . LINE TB2 WHT GRN WHT W CHASSIS GROUND WHT GND G NEU.
P A GE 48 — L T12 SERIES LIGHT T O WER • OPERA TION MANU AL — REV . #12 (01/20/09) L T12 WIRING DIAGRAM — S/N 902626 AND ABOVE 4 120 V AC 60 HZ 240 V AC 60 HZ 60 HZ 50 HZ 120 V AC 60 HZ ROTOR .
L T12 SERIES LIGHT T O WER • OPERA TION MANU AL — REV . #12 (01/20/09) — P A GE 49 L T12 WIRING DIAGRAM — S/N 902626 AND ABOVE GRN BLK CB6 15 AMP BREAKER (GFCI) X Y 240 V AC AUX RECPT . 120 V AC GFCI RECEPT . LINE TB2 WHT GRN WHT W CHASSIS GROUND WHT GND G NEU.
P A GE 50 — L T12 SERIES LIGHT T O WER • OPERA TION MANU AL — REV . #12 (01/20/09) PERKINS ENGINE WIRING DIAGRAM.
L T12 SERIES LIGHT T O WER • OPERA TION MANU AL — REV . #12 (01/20/09) — P A GE 51 DEUTZ ENGINE WIRING DIAGRAM.
P A GE 52 — L T12 SERIES LIGHT T O WER • OPERA TION MANU AL — REV . #12 (01/20/09) L T12 CONTROL P ANEL/IGNITION WIRING DIAGRAM Operating voltage: 10 to 16 VDC (30VDC max 10 sec.
L T12 SERIES LIGHT T O WER • OPERA TION MANU AL — REV . #12 (01/20/09) — P A GE 53 TRAILER GUIDELINES The f ollo wing guidelines are intended to assist the operator in the operation and handling of a trailer . Saf ety precautions should be f ollowed at all times when operating a trailer .
P A GE 54 — L T12 SERIES LIGHT T O WER • OPERA TION MANU AL — REV . #12 (01/20/09) DRIVING CONDITIONS When towing a tr ailer , you will ha ve decreased acceleration, increased stopping distance,.
L T12 SERIES LIGHT T O WER • OPERA TION MANU AL — REV . #12 (01/20/09) — P A GE 55 INOPERABLE BRAKES, LIGHTS OR MIRRORS Be sure that the brak es and all of the lights on y our trailer are functioning properly before to wing y our trailer . Check the trailer taillights b y turning on your tow v ehicle headlights.
P A GE 56 — L T12 SERIES LIGHT T O WER • OPERA TION MANU AL — REV . #12 (01/20/09) VIN T ag Location Figure B. The trailer VIN T ag contains the f ollo wing critical safety inf ormation for the use of y our tr ailer . GA WR : The maximum g ross weight that an axle cansuppor t.
L T12 SERIES LIGHT T O WER • OPERA TION MANU AL — REV . #12 (01/20/09) — P A GE 57 SAFETY CHAINS If the coupler connection comes loose, the saf ety chains can keep the tr ailer attached to the to w v ehicle.
P A GE 58 — L T12 SERIES LIGHT T O WER • OPERA TION MANU AL — REV . #12 (01/20/09) 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 w asher and hitch frame . Wipe the inside and outside of the coupler .
L T12 SERIES LIGHT T O WER • OPERA TION MANU AL — REV . #12 (01/20/09) — P A GE 59 Attaching Saf ety Chain Visually inspect the saf ety chains and hooks f or wear or damage. Replace worn or damaged safety chains and hooks bef ore to wing. Attach the saf ety chains so that the y: Cross under neath the coupler .
P A GE 60 — L T12 SERIES LIGHT T O WER • OPERA TION MANU AL — REV . #12 (01/20/09) 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 v ehicle.
L T12 SERIES LIGHT T O WER • OPERA TION MANU AL — REV . #12 (01/20/09) — P A GE 61 Raise the bottom surf ace of the coupler to be abo v e the top of the pintle hitch hook. Use the tongue jackstand to suppor t the trailer tongue . W ood or concrete bloc ks ma y also be used.
P A GE 62 — L T12 SERIES LIGHT T O WER • OPERA TION MANU AL — REV . #12 (01/20/09) wrench, use a lug wrench (from your to w vehicle) and tighten the nuts as much as y ou can. Then hav e a service garage or trailer dealer tighten the lug n uts to the proper torque.
L T12 SERIES LIGHT T O WER • OPERA TION MANU AL — REV . #12 (01/20/09) — P A GE 63 Step 2. Deter mine the w eight of the equipment being loaded on the tow v ehicle.
P A GE 64 — L T12 SERIES LIGHT T O WER • OPERA TION MANU AL — REV . #12 (01/20/09) Next n umber : This two-digit number is the wheel or rim diameter in inches. If you change y our wheel size, y ou will hav e to purchase new tires to match the ne w wheel diameter .
L T12 SERIES LIGHT T O WER • OPERA TION MANU AL — REV . #12 (01/20/09) — P A GE 65 Tires f or light trucks ha v e other mar kings besides those f ound on the side w alls of passenger tires. LT : The “L T” indicates the tire is f or light tr uc ks or trailers .
P A GE 66 — L T12 SERIES LIGHT T O WER • OPERA TION MANU AL — REV . #12 (01/20/09) Wheel Rims If the trailer has been struck, or impacted, on or near the wheels, or if the tr ailer has struck a curb , inspect the r ims f or damage (i.e. being out of round); and replace any damaged wheel.
L T12 SERIES LIGHT T O WER • OPERA TION MANU AL — REV . #12 (01/20/09) — P A GE 67 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 may not be used, reproduced, or altered without written per mission.
An important point after buying a device Multiquip LT12D (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 LT12D 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 LT12D - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Multiquip LT12D you will learn all the available features of the product, as well as information on its operation. The information that you get Multiquip LT12D will certainly help you make a decision on the purchase.
If you already are a holder of Multiquip LT12D, 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 LT12D.
However, one of the most important roles played by the user manual is to help in solving problems with Multiquip LT12D. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Multiquip LT12D 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
