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Multiquip LT12P manuel d'utilisation

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Tout d'abord, il contient la réponse sur la structure, les possibilités du dispositif Multiquip LT12P, l'utilisation de divers accessoires et une gamme d'informations pour profiter pleinement de toutes les fonctionnalités et commodités.

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Table des matières du manuel d’utilisation

  • Page 1

    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 .multiquip.com NIGHTHA WK SERIES MODELS L T12D, L T12P DEDICA TED LIGHT TOWER (DEUTZ F3M1008F DIESEL ENGINE) (LOMBARDINI LDW 1003 DIESEL ENGINE) (PERKINS 103-10 DIESEL ENGINE) Re vision #12 (01/2[...]

  • Page 2

    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[...]

  • Page 3

    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. If NHTSA rece[...]

  • Page 4

    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 ......................................... 3 T ab le Of Contents .................................................... 4 [...]

  • Page 5

    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. F ailure to read and understand the saf ety messages and operating instructions cou[...]

  • Page 6

    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, shatter proof glasses , respiratory protection, hearing protection, steel-toed boots and other protective de vices required b y the job or city and [...]

  • Page 7

    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 . If any problem occurs when lo wer or raising the tow er , ST OP immediately! Contact a trained tech[...]

  • Page 8

    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. K eep fi ngers, hands hair and clothing a wa y  from all movin[...]

  • Page 9

    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. AL W A YS  refuel in a well-v entilated area, awa y fr[...]

  • Page 10

    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. AL W A YS  make sure crane or lifting de vice has been properly secured to lifting hook of the equ[...]

  • Page 11

    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. T ur n gener ator and all circuit breakers OFF before perf or ming[...]

  • Page 12

    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. The batter y contains combustib le gases and liquids.[...]

  • Page 13

    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.[...]

  • Page 14

    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. (700 kg.) Suppor t P oints 5 Wind Stability with Gen[...]

  • Page 15

    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 2.95 in. X 2.83 in. (75 mm x 72 mm) Displacement 58.21 cu. in. (954 cc) Max Output Standby 12 H.P[...]

  • Page 16

    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. (256 cm.) C Max. Height (Mast Deploy ed P osition) 31.5 ft. (9.6 m) D He[...]

  • Page 17

    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. This includes lighting f or construction sites, industrial locations, special e[...]

  • Page 18

    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 . The function of each control is described below . [...]

  • Page 19

    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 . — Attach this coupler to the towing v ehicle. Use only the specifi ed ball diameter as [...]

  • Page 20

    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 0.0 SenDEC HOURS 1/10 ** EMERGENCY SHUT DOWNS Flashing LED Indicates Cause of Shut Down WA TER TEMP OIL PRE[...]

  • Page 21

    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. Below is a brief e xplanation of ea[...]

  • Page 22

    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 . Check the air fi lter f or dir t and dust. If air fi lt[...]

  • Page 23

    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. control panel. Set the door suppor t latch in place to keep the [...]

  • Page 24

    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 . See engine owner's man ual f or more details . Da y-to-da y addition[...]

  • Page 25

    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. Light tow er is placed on secure le v el ground with chock ?[...]

  • Page 26

    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 . Star ting the Engine (P erkins) Open the access panel[...]

  • Page 27

    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 . Deploying[...]

  • Page 28

    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/ 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[...]

  • Page 29

    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. mast has been fully retracted (slac k in the cab le). Stowing the Mast to Horizontal P[...]

  • Page 30

    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 . The bottom receptacle is a GFCI recep[...]

  • Page 31

    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. Inspection/Maintenance T able 8. Frequency 10 hrs Daily 200 hrs 500 hrs 1[...]

  • Page 32

    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 . Also check f or fuel or oil leaks. Air Cleaner Check dust indicators [...]

  • Page 33

    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. Adjust the fl ow of the water fl owing [...]

  • Page 34

    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. to remov e it. Clean the fi lter holder , fi ll the ne w fi lter car tridge with 3. [...]

  • Page 35

    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. Disassemble [...]

  • Page 36

    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. ADJUST ABLE CHANNEL Y our trailer ma y be equipped with an adjustab le channel (Figure 23) that allows the coupler to be r a[...]

  • Page 37

    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 . The possibility e xists of the trailer f alling thus causing equipment damage and se v ere bodily harm ev en death! D ANGE[...]

  • Page 38

    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. If the problem cannot [...]

  • Page 39

    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. W ater in the fuel system? Remov e water from fuel tank. Fuel pipe clogged? Clean fuel pip[...]

  • Page 40

    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. Air cleaner clogged? Clean or change . Fuel leak due to loose injection pipe retaining nut? Tig[...]

  • Page 41

    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 . Replace if necessar y . Lamp Loose in Sock et? Inspect lamp base to see if there is arcing at c[...]

  • Page 42

    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 . Replace after checking[...]

  • Page 43

    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. the J1 connector on the T -Bar assembly[...]

  • Page 44

    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 EXCIT A TION CAP ACITOR ST A TOR WINDING ROTOR WINDINGS FIXED FLOW CURRENT DIODE BLACK 2 GREEN 4 WHITE 5 RED RED RED BLK GRN WHT RED BLK BLK TB1 4 3 2 1[...]

  • Page 45

    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. 120V IN O[...]

  • Page 46

    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 ST A TOR EXCIT A TION WINDING C1 25µF@425V EXCIT A TION CAP ACITOR ST A TOR WINDING ROTOR WINDINGS FIXED FLOW CURRENT DIODE BLACK 3 BLACK 2 BLACK 1 B[...]

  • Page 47

    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. CB4 10 AMP BREAKER (LAMP 4) CB3 10 AMP BREAKER (LAMP 3) CB2 10 AMP BREAKER (LAMP[...]

  • Page 48

    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 ST A TOR EXCIT A TION WINDING C1 25µF@425V EXCIT A TION CAP ACITOR ST A TOR WINDING ROTOR WINDINGS FIXED FLOW CURRENT DIODE BLACK 3 BLACK 2 BLACK 1 B[...]

  • Page 49

    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. CB4 15 AMP BREAKER (LAMP 4) CB3 15 AMP BREAKER (LAMP 3) CB2 15 AMP BREAKER (LAMP[...]

  • Page 50

    P A GE 50 — L T12 SERIES LIGHT T O WER • OPERA TION MANU AL — REV . #12 (01/20/09) PERKINS ENGINE WIRING DIAGRAM[...]

  • Page 51

    L T12 SERIES LIGHT T O WER • OPERA TION MANU AL — REV . #12 (01/20/09) — P A GE 51 DEUTZ ENGINE WIRING DIAGRAM[...]

  • Page 52

    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.) A B PERKINS SPECIFIC FROM ENGINE KEY SWITCH PERKINS ENGINE DOOR SWITCH P ANEL LIGHT GROUND TO P ANEL HR METER 30 50 17 19 IGN 16G YELLOW 16G PURPLE 16G RED 16G ORAN[...]

  • Page 53

    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 . F ailure to read, understand and f ollow the saf ety g[...]

  • Page 54

    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, and increased turning radius (which means you m ust mak e wider turns to keep from hitting curbs, v ehicles, and anything else that is on the inside [...]

  • Page 55

    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. Check the tr ailer brak e ligh[...]

  • Page 56

    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. It is the low est of axle, wheel, or tire r ating. Usually , the t[...]

  • Page 57

    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. With properly r igged saf ety chains, it is possible to k eep the tongue of the trailer from digging into the road pa v ement, e v en if[...]

  • Page 58

    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 . Clean and  visually inspect it f or crac ks and deforma[...]

  • Page 59

    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 . See Figure E. • Attaching Safe[...]

  • Page 60

    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. This system of coupling a trailer to a to w vehicle is sometimes ref erred to as a “lunette ey e, to w ring[...]

  • Page 61

    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. Coupling T railer to T ow V ehicle (Pintle Coupler) Slowly bac k [...]

  • Page 62

    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. Lug nuts are also prone to loosen after first being assembled. When driving a n[...]

  • Page 63

    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. That weight ma y not saf ely 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 [...]

  • Page 64

    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 . Next n umber : This two- or three-digit number is the tire’ s load inde x. It[...]

  • Page 65

    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 . ST : An “ST” is an indication the tire is for tr ailer use only . Max. Load[...]

  • Page 66

    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. Inspect the wheels for damage e very year , ev en if no[...]

  • Page 67

    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[...]

  • Page 68

    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. All other trademarks are the proper ty [...]