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Zoomlion RT75, Operator'S Manual

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03 - 4

                                                                                                                                          RT75 Rough Terrain Crane

                                                                                                                                             

Speak with us if special data is necessary for the maintenance or operation of your RT75 

Crane. Send your machine model and a serial number to make sure that you receive the 

correct data. 

If there is anything in this manual that is not clear or which you think is necessary, write to 

the address that follows: 

Rough Terrain Crane R & D Institute 

Zoomlion Mobile Crane Branch Company 

Quantang Industrial Park, 2

nd

 Yuanda Road, 

Economic and Technological Development Zone, 

Changsha, Hunan Province, China, 410131 

You can also speak to us by telephone at 0086-84671987 (international), 0731-84671987 

(domestic). 

Summary of Contents for RT75

Page 1: ...OR S MANUAL FOR RT75 ROUGH TERRAIN CRANE Address Quantang Indust rial Park 2nd Yuanda Road Changsha Economic and Technological Development Zone Hunan Province China Postcode 410131 Website www zoomlio...

Page 2: ...RT75 ROUGH TERRAIN CRANE OPERATOR S MANUAL Edition 1 Dec 2013...

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Page 4: ...s from an operator who does not obey the instructions in the OPERATOR S MANUAL The OPERATOR S MANUAL is an important part of the crane If the crane becomes the property of a different person make sure...

Page 5: ...dangerous situation which if you do not prevent will cause death or injury Warning Refers to a possible dangerous situation which if you do not prevent could cause death or injury Caution Refers to a...

Page 6: ...3 Operating the engine 07 2 7 4 Cold weather starting 07 2 7 5 Move and park the crane 07 3 7 6 Economical driving 07 4 7 7 Steering operation 07 5 7 8 Braking operation 07 6 7 9 Transmission operati...

Page 7: ...eight operation 07 62 8 Transportation and storage 08 1 8 1 Transportation 08 1 8 2 Storage 08 3 9 Specifications 09 1 9 1 Conversion tables 09 1 9 2 Average weight of materials 09 3 9 3 Torque rating...

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Page 10: ...ent correctly and safely We make equipment for heavy duty labor Do the periodic inspections regularly because the equipment wears This prevents accidents decreases downtime and helps equipment work sa...

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Page 14: ...mechanism hook block auxiliary hook hoist rope 2 SWING SYSTEM Superstructure counterweight main and auxiliary winches swing bearing swing reducer derricking cylinder cab air conditioner and cab heater...

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Page 18: ...ction checklist provides supplementary data to facilitate the correct operation and maintenance of the crane Component Inspected Interval Function Adjusting Condition Maintenance condition Component I...

Page 19: ...03 2 RT75 Rough Terrain Crane MAINTENANCE LOG Item Adjusting Condition Date...

Page 20: ...important To complete on site tasks safely operators must be responsible Obey the instructions that follow Comply with Occupational Safety and Health Administration OSHA Federal State and Local Regul...

Page 21: ...data If there is anything in this manual that is not clear or which you think is necessary write to the address that follows Rough Terrain Crane R D Institute Zoomlion Mobile Crane Branch Company Qua...

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Page 24: ...erous situation which if you do not prevent will cause death or injury Refers to a possible dangerous situation which if you do not prevent could cause death or injury Refers to a possible dangerous s...

Page 25: ...Y This section contains the safety rules that you must follow You must read and understand the Operator s Manual It contains the instructions for the specified machine All personnel must be safe at th...

Page 26: ...dangerous area use signal personnel to give directions If a signal person is necessary the operator must obey only the signals from the approved signal person You must obey the STOP signal from all pe...

Page 27: ...hysical condition and have applicable licenses The operator signal person and riggers must receive training in correct crane operation The operator and the signal person must know all standard hand si...

Page 28: ...tion records Make sure to complete necessary repairs Examine the wire rope for damage kinks broken wires etc Make sure that all field modifications are approved Do an inspection for air and hydraulic...

Page 29: ...the load bearing surface can hold the weight of the crane and load Make crane level check frequently and re level them when necessary Assemble barricades to keep personnel out of the load move radius...

Page 30: ...late the tires to the specified pressure Move slowly and prevent sudden movement Wear seat belt correctly when you move the crane Make sure that the travel surface can hold the weight of the crane and...

Page 31: ...04 8 RT75 Rough Terrain Crane Left hand side Right hand side Figure 04 1 Overview of the Safety Signs on the Machine...

Page 32: ...RT75 Rough Terrain Crane 04 9 1 Figure 04 2 Danger Crush Hazard 2 Figure 04 3 Danger Electrocution Hazard...

Page 33: ...04 10 RT75 Rough Terrain Crane 3 Figure 04 4 Hand Signals for Crane Operation...

Page 34: ...RT75 Rough Terrain Crane 04 11 4 Figure 04 5 Danger Explosion Burn Hazard 5 Figure 04 6 Danger Crush Hazard...

Page 35: ...12 RT75 Rough Terrain Crane 6 Figure 04 7 Danger Burn Hazard 7 Figure 04 8 Prohibited No Thoroughfare 8 Figure 04 9 Prohibited No Access Only Authorized Personnel 9 Figure 04 10 CAUTION Risk of Falli...

Page 36: ...04 13 10 Figure 04 11 CAUTION Swinging Load 11 Figure 04 12 No Swing over the Rear with 3 12 Figure 04 13 Entanglement Hazard Keep all open flames and sparks away 13 Figure 04 14 Keep All Open Flames...

Page 37: ...04 14 RT75 Rough Terrain Crane 14 Figure 04 15 Be Careful in the Working Radius RH Only 15 Figure 04 16 No Walk RH Only...

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Page 40: ...ll mechanical components are in a break in state during initial crane operation less than 100 operating hours You must follow the below instructions during this time period l Keep the work load and wo...

Page 41: ...d extends light flag 4 Moderate breeze 5 5 7 8 18 1 25 7 Small branches move 5 Fresh breeze 8 10 6 26 3 34 9 Small trees in leaf begin to sway 6 Strong wind 10 8 13 7 35 5 45 0 Large branches in motio...

Page 42: ...for the correct pressure 6 Examine the items that follow for damage Condition of tires Door locks Doors Windows Crane control mechanisms 7 Examine the fittings of oil pipes air pipes and water pipes f...

Page 43: ...ate This causes a dangerous condition because the ECU does not have power 1 1 Examine the controls and instruments a a Examine the transmission oil pressure gauge 1 The transmission oil pressure must...

Page 44: ...ow list Steering Braking Sounds or smells Vibrations Sudden speed increase or decrease If you cannot find or correct the problem send the vehicle for repair 5 5 Monitor the indicators gauges that foll...

Page 45: ...ure is above the maximum limit If you stop the engine the coolant temperature increases suddenly and damage to the engine occurs Operate the engine at a RPM immediately above idle to help decrease the...

Page 46: ...Do not operate the engine continuously at high speeds without a load 6 6 Put the crane in a lower gear before you move up a slope to decrease the load on the engine and drive line Note Make sure that...

Page 47: ...slope make sure that there is a lot of clearance in front and to the aft of the vehicle Put the park brake switch to the P position and put the chocks against the wheels Put the transmission in the ne...

Page 48: ...eck for noises and vibrations that are not usual If necessary engage the PTO H WHEN THE CRANE IS IN OPERATION 1 1 Personnel must stay away from the area below the boom 2 2 Do not let personnel on the...

Page 49: ...t a load that is above the capacity of the crane Pull a load at an angle Lift a load that is not in balance 8 8 Do not try to lift a load that is buried or frozen on the ground 9 9 Do not extend retra...

Page 50: ...ce Make sure that the dangerous area has a cover or is fenced off 1 14 4 When the load is off the ground move the load in a slow and smooth direction 1 15 5 Constantly monitor the system gauges and in...

Page 51: ...ht of the load is unknown The load lift moves out of position the rigging becomes too loose or the load is out of balance The protective material between the edges of load and wire rope is missing The...

Page 52: ...il pressure decreases abnormally Bring the vehicle to a standstill immediately and contact the manufacturer or specialized repair factory Do not turn off the engine immediately when it is overheated O...

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Page 56: ...before you can safely operate the crane Do not operate the crane until you are trained in all the other sections of this manual 6 1 UPPER CONTROLS AND INSTRUMENTS 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 1...

Page 57: ...t Front Outrigger Switch 13 Left Rear Outrigger Switch 14 Emergency Stop Button 15 Right Front Outrigger Switch 16 Right Rear Outrigger Switch 17 Bypass Switch 18 Work Lights Switch 19 Hazard Lights S...

Page 58: ...beam to be extended retracted with OUTRIGGER EXTEND RETRACT MASTER SWITCH 21 See Figure 06 1 3 HIGH LOW SPEED SELECT SWITCH FOR MAIN WINCH Sets the main winch speed to OFF LOW or HIGH 4 RIGHT REAR OUT...

Page 59: ...er rear wheel Crab steer 4 wheel steer 7 HIGH LOW SPEED SELECT SWITCH FOR AUX WINCH Sets the auxiliary winch speed to OFF LOW or HIGH 8 EMERGENCY STOP BUTTON In an emergency push this button to immedi...

Page 60: ...ge Do not use this switch until you stop the crane 3 2 WHEEL 4 WHEEL DRIVE SWITCH Push up to engage 2 wheel drive down to engage 4 wheel drive 4 HAND FOOT THROTTLE SELECT SWITCH Push up to select foot...

Page 61: ...ditioner Maintenance Requirements Item Requirements Maintenance interval Condenser fan motor Examine and repair Every quarter Evaporator fan motor Examine and repair Every quarter Condenser Examine an...

Page 62: ...to get the necessary temperature 2 A C FAN SPEED MASTER SWITCH Used to change between the 4 fan speeds OFF HI MID LOW When the switch is set to blow air the FAN POWER INDICATOR 2 red illuminates Note...

Page 63: ...em to ON for 10 minutes each month Make sure that the A C is in the OFF mode when the engine is OFF or at idle speed for a long time The battery drains in these conditions When you move the crane a lo...

Page 64: ...erclockwise rotation reduced functionality 10 Mode Button Press mode button to select radio and SD or USB 11 Button Low Scan radio on a playback 12 Button High end scanning radio Next playback 13 Butt...

Page 65: ...the left to move the boom to the left side Move the joystick to the right to move the boom to the right side Free Swing Figure 06 7 Left Joystick Swing Aux Winch Control Horn Push and hold in to make...

Page 66: ...it After you use it put it in its initial position Note To use the cigarette lighter the engine must be ON or the ignition must be in the I position 4 STEERING WHEEL AND COMBINATION SWITCHES The crane...

Page 67: ...crane on a slope you must put the chocks before and behind the wheels E HAZARD LIGHTS SWITCH Push in to set the warning hazard lights to ON The indicator illuminates flashes F CORNER MARKER LIGHTS LOW...

Page 68: ...til the switch is in the O position OFF 7 THROTTLE PEDAL Push the pedal to increase the engine RPM release the pedal to decrease it The speeds of the following movements can increase or decrease as th...

Page 69: ...G Push again to release this function Located on right side of joystick Free Swing Figure 06 10 Right Joystick Boom Hoist Main Winch Control Note Only when the operator s seat is occupied and the icon...

Page 70: ...igure 06 12 System Start up After being switched on a The monitor system runs up See Figure 06 12 b The Work Mode Screen when the parking brake is ON or Travel Mode Screen when the parking brake is OF...

Page 71: ...ress the function key TRIP DIS to begin to record the travel distance At this time the key turns to grey Press the key again to finish the travel distance recording and the key turns to green Under Tr...

Page 72: ...nk The engine should not operate for a long interval if the coolant temperature indication is in the red area Decrease the speed of the engine or decrease the load on the engine If the temperature doe...

Page 73: ...oolant temperature indication and find the cause of the out of tolerance indication Do the steps to decrease the coolant temperature FUEL RESERVE LOW INDICATOR Illuminates Shows that the fuel reserve...

Page 74: ...t the pressure to the swing lockout device is too low EMERGENCY BRAKE SYSTEM PRESSURE LOW INDICATOR Illuminates Shows that the pressure in the emergency brake system is too low Use the service brake s...

Page 75: ...t 3 turns on the drum 2 WHEEL DRIVE INDICATOR Illuminates Shows that the crane is in the 2 wheel drive mode 4 WHEEL DRIVE INDICATOR Illuminates Shows that the crane is in the 4 wheel drive mode AXLE S...

Page 76: ...m is switched to ON 2 WHEEL STEER FRONT WHEEL INDICATOR Illuminates Shows that the 2 wheel steer front wheel steering program is switched to ON 2 WHEEL STEER REAR WHEEL INDICATOR Illuminates Shows tha...

Page 77: ...icator lights up can the superstructure movements be ini tiated When driving the crane the joysticks and boom extend retract pedalremain active Crane operations can occur if either joysticks or pedal...

Page 78: ...Mode Screen or Work Mode Screen Press the key MENU to enter the Main Menu Screen Press the key HOME to return to the Travel Mode Screen Figure 06 16 System Warning 6 3 3 MAIN MENU Under Travel Mode S...

Page 79: ...en press or to move the cursor left or right to select the English item see Figure 06 18 and press ENTER After this operating monitor displays all information in English mode see Figure 06 19 2 Switch...

Page 80: ...6 3 3 2 MONITORING In the Monitoring Screen move the cursor left right and press the key ENTER to select the items such as Travel mode Work mode Vehicle status and Bus status See Figure 06 20 Press th...

Page 81: ...to enter the Work Mode Screen See Figure 06 14 3 Vehicle status move the cursor to select the icon Vehicle status and press the key ENTER to enter the Vehicle Status Screen See Figure 06 15 4 Bus sta...

Page 82: ...HOME to enter the Travel Mode Screen Figure 06 22 Real time Warning 1 System warning move the cursor to select the icon System warning and press the key ENTER to enter the System Warning Screen See Fi...

Page 83: ...06 28 RT75 Rough Terrain Crane Figure 06 23 Engine Warning Figure 06 24 Transmission Warning...

Page 84: ...an adjust the brightness of the system Press the keys BACK or MENU to return to the Main Menu Screen Press the key HOME to enter the Travel Mode Screen Figure 06 25 Parameter Settings Brightness setti...

Page 85: ...g to the work requirements Press the keys BACK or MENU to return to the Main Menu Screen Press the key HOME to enter the Travel Mode Screen Figure 06 27 Maintenance 1 Engine Diagnostic move the cursor...

Page 86: ...cursor to select the icon Error diagnostic and press the key ENTER to enter the Error Diagnostic Screen See Figure 06 29 and Figure 06 30 There are 2 pages of the error diagnostic information Press th...

Page 87: ...reen is shown as following See Figure 06 31 In the Information Screen move the cursor left right and press the key ENTER to select the items such as System history warning Engine history warning Trans...

Page 88: ...3 Transmission history warning move the cursor to select the icon Transmission history warning and press the key ENTER to enter the Transmission History Warning Screen to consult the transmission def...

Page 89: ...06 34 RT75 Rough Terrain Crane Figure 06 34 Transmission History Warning Figure 06 35 About...

Page 90: ...See Figure 06 36 Enter the correct passwords to consult more information Figure 06 36 Password Note The password is only available for the service technician All screens except the Travel Mode Screen...

Page 91: ...f the camera after 5 seconds 1 button Power control 2 V1 V2 button Switch the vision between video one and video two 3 L R button Switch the vision to enantiomorphous status 4 MENU button Enter the br...

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Page 94: ...crane operation For details please refer to Rated Capacity Indicator Manual C Emergency Stop 1 You can find the emergency stop button on the lower left side of the dash 2 When you push the button all...

Page 95: ...ure 7 3 AFTER THE ENGINE STARTS A When the engine is ON examine the indicators and gauges at frequent intervals to find an indication of an out of range condition Also listen for sounds that are not u...

Page 96: ...e Crab steer or 4 wheel steer mode make sure that you center the axles before you stop 3 Turn the park brake switch to P and move the transmission shift lever to the N position 4 When it is necessary...

Page 97: ...that the transmission gear level is always at a high gear When more engine power is necessary increase the engine RPM speed Do not move the throttle or brake pedal quickly Do not turn the crane quick...

Page 98: ...nsmission to a lower gear to decrease the speed of the crane as you turn Decrease the speed slowly while you turn the steering wheel in the same direction as the turn If you over steer decrease the sp...

Page 99: ...time you can have a hard time with the control of the crane You must use caution When you make many hard brake stops the tire and the brake linings wear prematurely Use more caution when the roads are...

Page 100: ...el stop the crane immediately Correct the malfunction if you can refer to the Transmission Maintenance and Service Manual When you park the crane move the shift lever to the N position To measure the...

Page 101: ...anges in speed This can damage the tow coupling If the engine cannot operate do not tow the crane To prepare the crane to be towed do the items that follow Operate the engine at idle keeps the transmi...

Page 102: ...perating temperature Set the joysticks in the neutral position Make sure that the outrigger switches are in the neutral position Set the transmission shift lever to the neutral position Make sure that...

Page 103: ...ngage the PTO c Engage the PTO d The PTO handle is located near the superstructure Pull the handle up to engage the PTO Refer to Figure 07 2 Figure 07 2 Engage PTO Handle Run the engine for 15 min to...

Page 104: ...hes Make sure the RCI is set to match the outrigger configuration Improper setting of RCI is dangerous Make sure that you do all of the work on level ground that is hard The ground must hold more than...

Page 105: ...rane level 1 Look at the bubble level indicator to tell if the crane is at level 2 If the bubble level indicator does not show a level indication you can move each outrigger to make the crane level e...

Page 106: ...in the outrigger float until it in the correct position Install the socket pins Before you move the outriggers make sure that there is clearance to prevent injury to personnel or damage to the crane...

Page 107: ...ation 1 Lift Chart and Lift Height Chart a Load rating chart 1 How to look up rated lift capacity 2 Use the Lift Height Chart to find out the boom length and working radius Use the load rating chart t...

Page 108: ...king Radius 1 The balance valve in the winch mechanism makes sure that the movement of the hoist is stable It also makes the load stop at the necessary location 2 When you increase the boom length and...

Page 109: ...seat is occupied and the icon on the display lights up can the right joystick initiate various movement 2 If the end of the boom is not directly above the load lift point when you lift a load do the...

Page 110: ...ne 07 17 Figure 07 9 Main Winch Right Joystick Right joystick Activate the main winch mechanism OFF Move the joystick forward reel off the main winch Move the joystick backward spool up the main winch...

Page 111: ...winch Push the joystick forward to reel off to move the load down Pull it to the rear to spool up to move the load up Note Only when the operator s seat is occupied and the icon on the display lights...

Page 112: ...p the movements Note The speed adjustments operate the same for the left and right joysticks d When the main or aux winch is in the spool up mode and the hook block touches the anti two block weight t...

Page 113: ...rope Keep a minimum of 3 wraps of rope on the winch while you operate the crane Lift the load vertically Do not try to lift the load diagonally Do not pull a load across the ground Monitor the area as...

Page 114: ...it to the front of the crane 2 Change the wire rope parts as follows 1 Derrick the boom down to put the hook on the ground Figure 07 11 Down Boom Position 2 Remove the pins on the hook block and boom...

Page 115: ...nd the rope on the hook block for an odd number of parts and on the boom head for an even number of parts 5 Change the line parts Figure 07 15 Line Part Change Note You must change the location of the...

Page 116: ...re rope on the winch spool smoothly and in sequence 7 Install the socket and wire rope clamp Refer to Figure 07 17 8 Do not install wire rope clamp on the live side of the wire rope Figure 07 17 Rope...

Page 117: ...ire rope Boom retraction wire rope C The figure below shows the telescoping principle Figure 07 18 Telescoping Principle 1 Telescoping Cylinder 2 Boom Extension Wire Rope 3 Boom Retraction Wire Rope 4...

Page 118: ...lay lights up can the joysticks initiate various movement 3 When you tilt the pedal forward the telescopic sections 1 2 and 3 move out at the same time Figure 07 21 Telescopic Sections Extend 4 Releas...

Page 119: ...Release the pedal slowly to the neutral position to stop the telescoping movement The boom stops at that point When you extend and retract the boom the hook block moves up and down Make sure that you...

Page 120: ...ble cause for the movement A change in the hydraulic oil temperature A change in the angle of the boom Lubrication status Make sure that the hydraulic oil temperature does not increase too high Extend...

Page 121: ...C The derricking cylinder has a balance valve The balance valve in the hydraulic system helps the telescoping components move smoothly When the boom is set at the correct length the valve stops the hy...

Page 122: ...onic device that sends the boom angle data to the RCI Rated capacity indicator The boom angle shows on the display screen Figure 07 24 Boom Angle Indicator Detector Do all derricking movements smoothl...

Page 123: ...cer Swing Cushion Valve Drive Gear Swing Bearing Swing Lockout Device Figure 07 25 Swing Mechanism When you turn the crane your view to the rear and side can be blocked Be careful Make sure that work...

Page 124: ...l Refer to 07 26 Swing unlock indicator illuminates Figure 07 26 Unlock Indicator 2 To swing the superstructure push the left joystick to the left or right The seat must be occupied to use this functi...

Page 125: ...intervals 100 500 1000 hours of operation The torque on the bolts must be 700 lbf ft 950 N m The crane can turn with a load above the ground Do not try to lift the load diagonally Do not pull a load...

Page 126: ...works correctly and gives a sufficient flow for multifunctioning Do not move the joysticks to their limit positions Easy smooth movements are necessary when you do an operation for multifunctioning M...

Page 127: ...pull the right joystick and push the left pedal Refer to Figure 07 29 Figure 07 29 Main Winch Boom Extend or Retract D Main Winch Auxiliary Winch To move the main winch and the auxiliary winch at the...

Page 128: ...push the left pedal The boom moves up or down and the boom extends or retracts Refer to Figure 07 31 Figure 07 31 Derrick Boom Extend or Retract F Derrick Auxiliary Winch You can move the boom up or d...

Page 129: ...his move the left joystick left or right and move the right joystick left or right Refer to Figure 07 33 Figure 07 33 Swing Derrick When you lift the load it moves Be careful not to touch the outrigge...

Page 130: ...this type of move it is necessary for the operator to move the joystick two adjacent directions For example to move the boom and main hook down push the right joystick up and to the right 1 30 clock p...

Page 131: ...ry hook down push the left joystick up and to the right 1 30 clock position Refer to Figure 07 36 The other movements on the left joystick are as follows 2 Push up and to the left 10 30 clock position...

Page 132: ...he Boom Swing You can extend or retract the boom and swing the superstructure to the left or right at the same time To do this push the left pedal and move the left joystick left or right Refer to Fig...

Page 133: ...below an angle of 0 20 or 40 to the telescopic boom according to working requirements You cannot use the jib when you lift a load if the outriggers are not in the correct position D Assemble the jib...

Page 134: ...T75 Rough Terrain Crane 5 Extend the intermediate bracket and remove the pin 1 Figure 07 40 Pin 1 Removal 6 Move front of the jib away from the main boom jib pivots at pin 2 Figure 07 41 Pin 2 Locatio...

Page 135: ...connection points on the end of the boom Install the pins 3 and 4 and retaining clip Figure 07 42 Pins 3 and 4 Installation 8 Remove the pin 2 Figure 07 43 Pin 2 Removal 9 Move the jib pivots on pin 3...

Page 136: ...and pin 6 and the retaining clip Figure 07 45 Pins 5 and 6 Installation 11 Remove the pin 7 and retaining clip from jib section 2 Figure 07 46 Pin 7 Removal 12 Pull out the section 2 stop when it touc...

Page 137: ...7 49 1 Fully retract the boom 2 Make sure that the outriggers are fully extended 3 Derrick the boom to 0 position 4 Reeve the hoist wire rope through the jib sheave 5 Remove the pins and the retaining...

Page 138: ...07 48 RT75 Rough Terrain Crane Figure 07 48 Figure 07 48 Offset Positions...

Page 139: ...ib must be turned over front before you assemble or disassemble the jib When you install the jib to the side of the boom you must install all the pins Do not move the crane until all the jib pins are...

Page 140: ...se a Stand When you remove the jib carefully attach it to the side of the boom When you remove the auxiliary hook and put it in the stow position obey the hand signals from the signal personnel Refer...

Page 141: ...de of the boom Figure 07 53 Rooster Sheave C When the crane is to lift a light load 5 5T use the rooster sheave It is the most efficient procedure to move a lighter object 1 Assembly a Fully retract t...

Page 142: ...boom Disassemble it in the reverse order of the assemble procedure When it is not necessary to use the jib make sure that it is attached to the side of the boom You cannot use rooster sheave when the...

Page 143: ...block to the front of the crane If you cannot do this align the anti two block weight 1 18 30 mm from the boom head by applying the by pass key switch The crane can be damaged if you let the anti two...

Page 144: ...follow Lights Flares Flags Safety equipment When you move the crane on hard surfaces shift the transmission to High speed range If not the crane can be damaged When you move the crane make sure that y...

Page 145: ...t for a crane with a turbocharged engine This is because the turbocharged engine makes more heat than an engine that does not have a turbocharger When the engine indicators and gages are at the correc...

Page 146: ...e the crane on hard surfaces with a slope less than 20 When on rough terrain surfaces the slope angle must not be more than 5 The boom must in the front at 0 or less than 0 Refer to the ON TIRES LIFTS...

Page 147: ...These precautions are necessary to prevent the pendulum effect This can cause the crane to tilt Obey all the safety precautions Do not move a load in the ON TIRES mode if the pressure in the tires is...

Page 148: ...oo cold it does not flow correctly 6 You must know that the hydraulic oil becomes thick when you operate in very cold weather If you operate the crane and the hydraulic oil does not flow correctly you...

Page 149: ...you lubricate the crane fittings make sure that you clean all the fittings Add a large quantity of grease to all points 3 Make sure that the outrigger floats are on a stable surface 4 Make sure that t...

Page 150: ...nd and retract the boom 2 Stop the crane and go into a shelter if conditions are dangerous because of lightning 3 If lightning hits the crane make sure that it is safe to operate before you try to sta...

Page 151: ...The components of the counterweight are as follows Refer to Figure 07 57 Counterweight cylinders left and right Counterweight lock pins Spring pins Counterweight plate Figure 07 57 Counterweight B As...

Page 152: ...ers to be damaged 4 Lift counterweight by using Switch 3 on the dash until the holes in the counterweight plate line up with the holes in the superstructure Use Switch 3 in Figure 07 59 unless the cou...

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Page 156: ...ke the crane safe with wire ropes Fully close the windows and door to keep rain and moisture out of the cab Lock the door and windows Follow the protection procedures to prevent corrosion and rust if...

Page 157: ...ane has a 4 wheel drive mode use the low range to engage it 3 To move the crane onto the trailer apply the service brake and then turn the park brake switch to OFF Move the transmission shift lever to...

Page 158: ...amination dust and sand from the wire ropes and lubricate them with ZG 3 a calcium based graphite grease 9 Keep the crane in a garage If not put a water proof cloth on it to prevent corrosion In rainy...

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Page 162: ...11 64 1719 4 366 43 64 6719 17 085 3 16 1875 4 762 11 16 6875 17 462 13 64 2031 5 159 45 64 7031 17 859 7 32 2188 5 556 23 32 7188 18 256 15 64 2344 5 953 47 64 7344 18 653 1 4 2500 6 350 3 4 7500 19...

Page 163: ...09 2 RT75 Rough Terrain Crane Table 09 2 Liquid Weights and Measures Table 09 3 Metric Equivalents...

Page 164: ...1702 47 Steel 7798 934 7928 646 Sand gravel dry loose 1459 26 1702 47 Tin cast hammered 7442 226 Sand gravel dry packed 1621 4 1945 68 Tin cast hammered 7442 226 Sand gravel wet 2042 964 Tungsten 1945...

Page 165: ...uglas 518 848 Water 100 C 969 5972 Oak 680 988 875 556 Paper 940 412 Pine Oregon 518 848 Glass common 2626 668 Pine southern 616 132 680 988 Petroleum 729 63 875 556 Spruce 453 992 Coal anthracite 762...

Page 166: ...1 86 103 16 70 149 210 252 20 136 3 290 409 490 24 235 500 705 845 30 472 1004 1416 1697 36 822 1749 2466 2956 42 1319 2806 3957 4742 48 1991 4236 5973 7159 56 3192 6791 9575 11477 64 4769 10147 14307...

Page 167: ...e for movement and can pick and carry loads C You can use the crane at the below locations to lift heavy items short distances Construction Sites Oil Fields Warehouses Freight Yards Logistics Bases D...

Page 168: ...teer and Crab steer 2 Max rated lift capacity 82 7ton at 9 8ft 7 5 t at 3 m radius 3 Max lift height 186 3ft 56 8 m 4 Max travel speed 22mph 36 km h 5 Overall dimensions 586ft 134ft 151ft 14897 mm 340...

Page 169: ...09 8 RT75 Rough Terrain Crane Figure 09 1 Overall View RT75 Rough Terrain Crane...

Page 170: ...00 9 Jib length Jib section 1 jib sections 1 2 in mm 394 669 10000 17000 10 Boom angle 3 78 11 Swing range 360 unlimited swing Full range Working speeds 12 Max hoist rope speed Main winch ft min m min...

Page 171: ...tion I is lattice structure 10 m long and jib section II is box shaped structure 17 m long The jib section II is secured into jib section I and the whole jib is secured onto the right side of main boo...

Page 172: ...etary gear reducer the hydraulic motor causes the pinion gear to turn This causes the swing bearing outer ring to turn around its inner toothed ring which sets on the chassis frame of the crane This m...

Page 173: ...s the boom extension and retraction 2 The joysticks and the boom extend retract pedal allow for combinations of multifunction operations for any of the following l Spool up reel off l Derrick l Boom E...

Page 174: ...w displays on the screen l Boom angle or moment ratio l Boom length or default hook weight l Actual work radius or swing angle l Actual lift capacity l Max permitted lift capacity l Offset or line par...

Page 175: ...09 14 RT75 Rough Terrain Crane operation Outrigger spread L 24 2 ft 7380 mm Outrigger spread W Fully extend 24 ft 7300 mm Intermediately extend 16 7 ft 5100 mm Fully retracted 9 5 ft 2900 mm...

Page 176: ...rically controlled automatic hydraulic transmission with two modes 2 wheel drive and 4 wheel drive 2 Six forward and reverse gears electro hydraulic power shift and automatic locking mechanism 3 The e...

Page 177: ...ly controlled shoe type brakes on four wheels 2 Park brake Spring applied hydraulically released park brake is mounted to the input shaft of the front axle I Electrical system 24 Volt DC 2 batteries w...

Page 178: ...RT75 Rough Terrain Crane 09 17 Emergency Stop Button Winch Speed Sensor...

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