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Reliable STT293 Manual

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C R A N E S E R V I C E
CONCISE MANUAL
TOWER CRANE STT293
(909) 222-0202
www.reliablecraneservice.com
260 North Smith Ave. Corona, CA 92880
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  • Page 1 C R A N E S E R V I C E CONCISE MANUAL TOWER CRANE STT293 (909) 222-0202 www.reliablecraneservice.com 260 North Smith Ave. Corona, CA 92880...

  • Page 2: Table Of Contents

    C R A N E S E R V I C E TABLE OF CONTENTS CHAPTER 1. TECHNICAL DATA..................9 1.1. SPECIFICATIONS ............................... 10 1.1.1. CRANE 18 T ..............................10 1.1.2. CRANE 12 T ..............................14 1.2. PREPARING THE CONSTRUCTION SITE ....................18 1.2.1.
  • Page 3 C R A N E S E R V I C E CHAPTER 4. TROLLEY WINCH ..................61 4.1. SYMBOLS ................................62 4.2. TROLLEY BRAKE(ZIE FIG. 6-4-1) ........................63 4.2.1. DESCRIPTION:..............................63 4.2.2. PROGRAMMED MAINTENANCE ........................ 65 EURC1.0ENG (909) 222-0202 www.reliablecraneservice.com 260 North Smith Ave. Corona, CA 92880...

  • Page 4: Chapter 1. Technical Data

    C R A N E S E R V I C E STT293 CONCISE TOWER CRANE MANUAL CHAPTER 1. TECHNICAL DATA EURC1.0ENG (909) 222-0202 www.reliablecraneservice.com 260 North Smith Ave. Corona, CA 92880...

  • Page 5: Specifications

    C R A N E S E R V I C E STT293 CONCISE TOWER CRANE MANUAL 1.1. SPECIFICATIONS 1.1.1. CRANE 18 t 20.2m 76.0m 3.8m 2.7t 3.0t 3.7t 4.0t 4.6t 5.3t 16.2m 7.0t 8.0t 9.0t 10.3t Fig. 1.1.1-1 NOTE:...
  • Page 6 C R A N E S E R V I C E STT293 CONCISE TOWER CRANE MANUAL Table 1.1.1-1 R(max) Fall C(max) t 2.20 14.3 18.00 7.02 6.23 5.05 4.48 3.80 3.43 2.98 2.72 2.39 2.70 25.9 9.00 7.66 6.73 5.55...
  • Page 7 C R A N E S E R V I C E STT293 CONCISE TOWER CRANE MANUAL - Freestanding H(m) H(m) H(m) 64.6 64.15 20 62.65 61.6 61.15 19 59.65 58.6 58.15 56.65 55.15 55.6 53.65 16 52.6 52.15 50.65 49.6...
  • Page 8 C R A N E S E R V I C E STT293 CONCISE TOWER CRANE MANUAL Table 1.1.1-2 195 t 191 t 105 t 103 t 122 t 187 t 117 t 117 t In service Out of service...

  • Page 9: Crane 12 T

    C R A N E S E R V I C E STT293 CONCISE TOWER CRANE MANUAL 1.1.2. CRANE 12 t 20.2m 76.0m 3.8m 2.7t 3.0t 3.7t 4.0t 4.6t 5.3t 16.2m 6.5t 7.5t 8.8t 10.3t Fig. 1.1.2-1 ATTENTION: The mast sections can be supplied in 5500-mm or standard 3000-mm lengths.
  • Page 10 C R A N E S E R V I C E STT293 CONCISE TOWER CRANE MANUAL Table 1.1.2-1 R(max) C(max) Fall 2.20 20.2 12.0 7.50 6.21 5.05 4.48 3.80 3.43 2.98 2.72 2.39 2.70 37.3 6.00 6.00 5.55 4.98 4.30...
  • Page 11 C R A N E S E R V I C E STT293 CONCISE TOWER CRANE MANUAL - Freestanding H(m) H(m) H(m) 64.6 64.15 20 62.65 61.15 61.6 19 59.65 58.6 58.15 56.65 55.6 55.15 53.65 16 52.6 52.15 50.65 49.15...
  • Page 12 C R A N E S E R V I C E STT293 CONCISE TOWER CRANE MANUAL Table 1.1.2-2 195 t 191 t 105 t 103 t 122 t 187 t 117 t 117 t In service Not in service Crane weight without load or ballast with longest jib and at maximum height.

  • Page 13: Preparing The Construction Site

    C R A N E S E R V I C E STT293 CONCISE TOWER CRANE MANUAL 1.2. PREPARING THE CONSTRUCTION SITE 1.2.1. SPACE REQUIREMENTS FOR ASSEMBLY 1.2.1.1. INTRODUCTION This brochure provides the dimensions of the space requirements for the crane.

  • Page 14: Dimensions

    C R A N E S E R V I C E STT293 CONCISE TOWER CRANE MANUAL 1.2.2. DIMENSIONS 1.2.2.1. TOTAL CRANE DIMENSIONS Fig. 1.2.2.1-1 -19- EURC1.0ENG (909) 222-0202 www.reliablecraneservice.com 260 North Smith Ave. Corona, CA 92880...
  • Page 15 C R A N E S E R V I C E STT293 CONCISE TOWER CRANE MANUAL Name Name Foundation anchors Cabin mast Brace strut Central ballast (undercarriage) Trolley mechanism Bogie Trolley Mast section Hook assembly Telescoping cage Counter-jib Climbing frame mechanism...

  • Page 16: Dimensions En Weight Parts

    C R A N E S E R V I C E STT293 CONCISE TOWER CRANE MANUAL 1.2.2.2. DIMENSIONS EN WEIGHT PARTS 1.2.2.2-1. Undercarriage Fig: 1.2.2.3.1-1 .Dimensions and weight 1.2.2.2-2. Foundation anchors Fig. 1.2.2.2.2-1 -21- EURC1.0ENG (909) 222-0202 www.reliablecraneservice.com 260 North Smith Ave. Corona, CA 92880...
  • Page 17 C R A N E S E R V I C E STT293 CONCISE TOWER CRANE MANUAL 1.2.2.2-3. Wheelbase complete Fig 1.2.2.2.3-1 -22- EURC1.0ENG (909) 222-0202 www.reliablecraneservice.com 260 North Smith Ave. Corona, CA 92880...
  • Page 18 C R A N E S E R V I C E STT293 CONCISE TOWER CRANE MANUAL 1.2.2.2.4. Central ballast and foundation cross 1.2.2.2.4.1. Foundation cross composition - Standard type - YZ86X (refer to pg 59) - YZ69H (refer to pg 59) ATTENTION: Central ballast blocks and bogies are not included in the weight.
  • Page 19 C R A N E S E R V I C E STT293 CONCISE TOWER CRANE MANUAL 1.2.2.2.4.2. Parts Crossbeam Side beam for chassis Strut for chassis Main mast Diagonal support Ladder Fig. 1.2.2.2.4.2-1 NOTE: The mast sections (main mast) are also available in 5500-mm...
  • Page 20 C R A N E S E R V I C E STT293 CONCISE TOWER CRANE MANUAL 1.2.2.2.5. Mast Mast section Connecting anchor Resting platform Short ladder Long ladder Ladder support Fig 1.2.2.2.5-1 NOTE: The ladder sections (main mast) must be modified if 5500-mm mast lengths are used.
  • Page 21 C R A N E S E R V I C E STT293 CONCISE TOWER CRANE MANUAL 1.2.2.2.6. Climbing cage Climbing cage Front Upper side platform Rear upper platform Front Lower side platform Rear lower platform lower platform Support Connection...
  • Page 22 C R A N E S E R V I C E STT293 CONCISE TOWER CRANE MANUAL 1.2.2.2.7. Slewing unit Lower slewing unit Upper slewing unit 2454 kg Monorail Trolley Fig. 1.2.2.2.7-1 -27- EURC1.0ENG (909) 222-0202 www.reliablecraneservice.com 260 North Smith Ave. Corona, CA 92880...
  • Page 23 C R A N E S E R V I C E STT293 CONCISE TOWER CRANE MANUAL 1.2.2.2.8. Mast top Fig. 1.2.2.2.8-1 Mast top Cabin Cabin platform Platform Upper ladder Lower ladder Housing Connection Handrail Handrail -28- EURC1.0ENG (909) 222-0202 www.reliablecraneservice.com...
  • Page 24 C R A N E S E R V I C E STT293 CONCISE TOWER CRANE MANUAL 1.2.2.2.9. Jib Jib T2112-3 Jib T2112-4 Jib T2112-5 Jib T2112-6 Jib T2112-7 Jib T2112-8 -29- EURC1.0ENG (909) 222-0202 www.reliablecraneservice.com 260 North Smith Ave. Corona, CA 92880...
  • Page 25 C R A N E S E R V I C E STT293 CONCISE TOWER CRANE MANUAL Jib T2112-9 Jib T2112-10 Jib nose T2112-11 Pulley support Strut Pulley support Trolley winch Jib TP29312-5 5238 1400 Use when the jib length is 35m it’s special configuration Fig.
  • Page 26 C R A N E S E R V I C E STT293 CONCISE TOWER CRANE MANUAL 1.2.2.2.10. Trolley and hook Front trolley support Rear trolley support Safety support Tensioner Front lock Rear lock Hook unit Special applications hook Fig.
  • Page 27 C R A N E S E R V I C E STT293 CONCISE TOWER CRANE MANUAL 1.2.2.2.11. Counter-jib 19596 Counter-jib T2116-2 Counter-jib ballast support T2116-3 Hoisting winch Lifting device for service 3207 2510 Handrail Handrail Fig. 1.2.2.2.11-1 -32- EURC1.0ENG (909) 222-0202 www.reliablecraneservice.com...

  • Page 28: Concrete Foundation For Foundation Anchors

    C R A N E S E R V I C E STT293 CONCISE TOWER CRANE MANUAL 1.3. CONCRETE FOUNDATION FOR FOUNDATION ANCHORS 1.3.1. PREPARATION TO BE PREPARED BY CLIENT: The concrete foundation of the foundation anchors must be executed on basis of the parameters in.

  • Page 29: Installating The Crane Foundation

    C R A N E S E R V I C E STT293 CONCISE TOWER CRANE MANUAL 1.3.2. INSTALLATING THE CRANE FOUNDATION The foundation anchors are mounted by means of: 4 foundation anchors and 8 associated pins 1 foundation framework and 8 associated pins...

  • Page 30: Groundpressure And Choice Of The Fundation

    C R A N E S E R V I C E STT293 CONCISE TOWER CRANE MANUAL 1.3.3. GROUNDPRESSURE AND CHOICE OF THE FUNDATION 1.3.3.1. STANDARD CONFIGURATION Torque (kNm) Overturning moment (kNm) Crane weight (kN) Horizontal forces (kN) Jib length (m)

  • Page 31: Configuration Mast Length 5500Mm-L69S Mast

    C R A N E S E R V I C E STT293 CONCISE TOWER CRANE MANUAL 1.3.3.2. CONFIGURATION MAST LENGTH 5500MM-L69S MAST Torsional moment(kN.m) Overturning moment(kN.m) Weight of crane(kN) Horizontal reaction(kN) Mass of foundation concrete(kN) excentricity(m) Pressure on ground(kN/m Permissible ground pressure(kN/m Max.hook radius...

  • Page 32: Dimensional Features Of The Foundation Anchors

    C R A N E S E R V I C E STT293 CONCISE TOWER CRANE MANUAL 1.3.4. DIMENSIONAL FEATURES OF THE FOUNDATION ANCHORS The foundation anchors are placed symmetrically in the foundation block and are to form a 2-by-2 m square, based on the dimensions of the mast to be erected (see Fig.

  • Page 33: Counter-Jib Ballast

    C R A N E S E R V I C E STT293 CONCISE TOWER CRANE MANUAL 1.4. COUNTER-JIB BALLAST 1.4.1. INTRODUCTION The counter-jib ballast consists of various reinforced concrete blocks A, B or C. The counter-jib ballast is governed by the length of the jib. These blocks are suspended one by one at the rear of the counter-jib.

  • Page 34: Counter-Jib Ballast Dimensions

    C R A N E S E R V I C E STT293 CONCISE TOWER CRANE MANUAL 1.4.2. COUNTER-JIB BALLAST DIMENSIONS Length of jib Length of 16.2 16.2 20.2 20.2 20.2 20.2 20.2 20.2 20.2 20.2 counter jib During Blocks 2A+C 2A+B+C 3A+C 3A+B 4A+C 4A+C...
  • Page 35 C R A N E S E R V I C E STT293 CONCISE TOWER CRANE MANUAL Counterweight A 4000 kg (Figure T742719-1) -40- EURC1.0ENG (909) 222-0202 www.reliablecraneservice.com 260 North Smith Ave. Corona, CA 92880...
  • Page 36 C R A N E S E R V I C E STT293 CONCISE TOWER CRANE MANUAL Counterweight B 2000 kg (Figure T742719-2) -41- EURC1.0ENG (909) 222-0202 www.reliablecraneservice.com 260 North Smith Ave. Corona, CA 92880...
  • Page 37 C R A N E S E R V I C E STT293 CONCISE TOWER CRANE MANUAL Counterweight C 1000 kg (Figure T742719-3) -42- EURC1.0ENG (909) 222-0202 www.reliablecraneservice.com 260 North Smith Ave. Corona, CA 92880...
  • Page 38 C R A N E S E R V I C E STT293 CONCISE TOWER CRANE MANUAL -43- EURC1.0ENG (909) 222-0202 www.reliablecraneservice.com 260 North Smith Ave. Corona, CA 92880...

  • Page 39: Reeving (See 1.5.1-1)

    C R A N E S E R V I C E STT293 CONCISE TOWER CRANE MANUAL 1.5. REEVING (SEE 1.5.1-1) 1.5.1. FROM DUAL REEVING TO SINGLE REEVING - Bring the trolley against the jib foot and fasten it. - Lower the hoist hook down the ground (vertical position).
  • Page 40 C R A N E S E R V I C E STT293 CONCISE TOWER CRANE MANUAL - Hoist the single hook block (4) against the trolley (jib) (see Fig.). - Remove the trolley connection pin (8) between both trolleys (1) and (2).

  • Page 41: From Single Reefing To Dual Reefing

    C R A N E S E R V I C E STT293 CONCISE TOWER CRANE MANUAL 1.5.2. FROM SINGLE REEFING TO DUAL REEFING - Bring the front trolley (2) against the rear trolley (1) (opposite the jib foot). - Press the switch button on the operating panel.
  • Page 42 C R A N E S E R V I C E STT293 CONCISE TOWER CRANE MANUAL ATTENTION: - Working in single reeving configuration with cranes installed above freestanding mast height. - The crane is designed to work with single reeving up to the maximum freestanding height.

  • Page 43: Chapter 2. Winch Unit

    C R A N E S E R V I C E STT293 CONCISE TOWER CRANE MANUAL CHAPTER 2. WINCH UNIT -48- EURC1.0ENG (909) 222-0202 www.reliablecraneservice.com 260 North Smith Ave. Corona, CA 92880...

  • Page 44: Explanation Of The Symbols

    C R A N E S E R V I C E STT293 CONCISE TOWER CRANE MANUAL 2.1. EXPLANATION OF THE SYMBOLS: (EX. 75LFV45) Speed code, D for high speed motor Load capacity of single wire Frequency controlled Motor power in kW 2.2.

  • Page 45: Operating Principle

    C R A N E S E R V I C E STT293 CONCISE TOWER CRANE MANUAL 2.3. OPERATING PRINCIPLE The LFV frequency controlled system allows conversion of the 3-phase supply (through an AC transformer) to a frequency controlled supply voltage.

  • Page 46: Spare Parts And Maintenance

    C R A N E S E R V I C E STT293 CONCISE TOWER CRANE MANUAL 4. SPARE PARTS AND MAINTENANCE 2.4.1. PROGRAMMABLE LOGIC CONTROLLER The PLC must be checked regularly for proper working. Part Description Parameter Supply voltage PLC voltage L.N: AC 220V...

  • Page 47: Chapter 3. Slewing Mechanism

    C R A N E S E R V I C E STT293 CONCISE TOWER CRANE MANUAL CHAPTER 3. SLEWING MECHANISM EURC1.0ENG (909) 222-0202 www.reliablecraneservice.com 260 North Smith Ave. Corona, CA 92880...

  • Page 48: Explanation Of The Symbols

    C R A N E S E R V I C E STT 293 CONCISE TOWER CRANE MANUAL 3.1. EXPLANATION OF THE SYMBOLS: (EX. RTC290) Couple (Nm) Eddy current Voltage timing Slewing mechanism 3.1.1. DESCRIPTION: Select the slewing speed suitable for the required movement. Gradually increase or decrease the slewing speed.

  • Page 49: Slewing Mechanism

    C R A N E S E R V I C E STT293 CONCISE TOWER CRANE MANUAL 3.2. SLEWING MECHANISM 3.2.1. DESCRIPTION The slewing mechanism RTC consists of: Motor with squirrel-cage armature turning at constant speed in the desired direction.

  • Page 50: Operation

    C R A N E S E R V I C E STT293 CONCISE TOWER CRANE MANUAL 3.2.2. OPERATION Make the motor run in the desired direction. The brake releases. The electrodynamic brake inductor is supplied with direct current. An amperage change in the inductor produces a speed change. In that way, the desired speed can be obtained by means of the control box.
  • Page 51 C R A N E S E R V I C E STT293 CONCISE TOWER CRANE MANUAL Motor Gearbox Weathervaing smechanism Slewing ring Limit switch Eddy current brake Fig. 3.2.2-1 EURC1.0ENG (909) 222-0202 www.reliablecraneservice.com 260 North Smith Ave. Corona, CA 92880...

  • Page 52: Rtc Schematic Diagram

    C R A N E S E R V I C E STT293 CONCISE TOWER CRANE MANUAL 3.3. RTC SCHEMATIC DIAGRAM Eddy current voltage output Contactor, clockwise direction Contactor, counterclockwise direction Adjustable 3-phase AC- supply Voltage feedback Functional diagram Name...
  • Page 53 C R A N E S E R V I C E STT293 CONCISE TOWER CRANE MANUAL Wiring diagram AC48V EURC1.0ENG (909) 222-0202 www.reliablecraneservice.com 260 North Smith Ave. Corona, CA 92880...

  • Page 54: Malfunctions

    C R A N E S E R V I C E STT293 CONCISE TOWER CRANE MANUAL MALFUNCTIONS 3.4. The slewing mechanism is provided with an electronic control device that: Controls slewing acceleration and deceleration; Prevents changing of the slewing direction by a control error;...
  • Page 55 C R A N E S E R V I C E STT293 CONCISE TOWER CRANE MANUAL NOTE: These malfunctions can have the following causes: - Incorrect connection of the 380 VAC/48 VAC power supply; excessive voltage fluctuations; - Potentiometer and joystick are not compatible or are incorrectly adjusted with reference to the resistance (O-R/2);...

  • Page 56: Chapter 4. Trolley Winch

    C R A N E S E R V I C E STT293 CONCISE TOWER CRANE MANUAL CHAPTER 4. TROLLEY WINCH EURC1.0ENG (909) 222-0202 www.reliablecraneservice.com 260 North Smith Ave. Corona, CA 92880...

  • Page 57: Symbols

    C R A N E S E R V I C E STT293 CONCISE TOWER CRANE MANUAL 4.1. SYMBOLS EX. 7.5DFV08 Couple Frequency controlled Motor capacity (HP) ATTENTION: The trolley speed must be selected according to the distance to be run. Increase and decrease speeds gradually.

  • Page 58: Trolley Brake(Zie Fig. 6-4-1)

    C R A N E S E R V I C E STT293 CONCISE TOWER CRANE MANUAL 4.2. TROLLEY BRAKE(ZIE FIG. 6-4-1) 4.2.1. DESCRIPTION: The electromagnetic brake starts operating as soon as the power supply is cut. Brake clearance in the active range is automatically adjusted.
  • Page 59 C R A N E S E R V I C E STT293 CONCISE TOWER CRANE MANUAL Brakes: When the current is cut, the electromagnetic attractive force disappears. The brake spring (8) pushes the pressure disc (6) back on the brake disc (1-2).

  • Page 60: Programmed Maintenance

    C R A N E S E R V I C E STT293 CONCISE TOWER CRANE MANUAL 4.2.2. PROGRAMMED MAINTENANCE Every 200 hours or once a month: Check brake clearance and brake moment, as well as the condition of the brake discs. Normal brake clearance is normally 0.8 to 1.2 mm.

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