Advertisement

Quick Links

GTJZ1412
& GTJZ1414
Maintenance Manual
0800 222 111
sales@elevatedaccess.co.nz
021 500 486
www.elevatedaccess.co.nz

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the Sinoboom GTJZ1412 and is the answer not in the manual?

Questions and answers

Summary of Contents for Elevated Access Sinoboom GTJZ1412

  • Page 1 GTJZ1412 & GTJZ1414 Maintenance Manual 0800 222 111 sales@elevatedaccess.co.nz 021 500 486 www.elevatedaccess.co.nz...
  • Page 2 GTJZ1412 & GTJZ1414 Maintenance Manual Procedure C ........... 20 Key Points C-1 Replace Air Filter of Hydraulic Before maintaining the machine, it is necessary to Oil Tank ........20 read, understand and observe those safety rules, C-2 Inspect Platform Weighing operation instructions and maintenance instructions.
  • Page 3: Table Of Contents

    GTJZ1412 & GTJZ1414 Maintenance Manual 4-3 Control valve block on the platform ......... 29 4-4 Symbols of Hydraulic System 33 4-5 Hydraulic Schematic Diagram 34 Electrical System........35 Maintenance Lead-Acid Storage Battery ... 35 5-2 Trouble Diagnosis (Deltatech System) .......... 40 5-3 Fundamental Troubleshooting 43 5-4 Electrical Symbols ....
  • Page 4 GTJZ1412 & GTJZ1414 Maintenance Manual You have understood and observed the safe  Importance operation rules in the operation manual You shall have read, understood and observed  Before maintaining GTJZ1412 it is necessary to read, —Manufacturer’s instructions and safety rules understand and observe corresponding safety rules and operation instructions.
  • Page 5 GTJZ1412 & GTJZ1414 Maintenance Manual freely or have not been fixed, lifting or moving weight. Be sure to wear work boots. Safety in Work Place Keep sparks, flame and lit cigarette end away from flammable and explosive materials such as storage battery and engine fuel.
  • Page 6 GTJZ1412 & GTJZ1414 Maintenance Manual Product Performance Parameters Parameter Items Unit GTJZ1412 Outline dimension Length 2.76 Width 1.25 Height 2.60 Ground clearance Ground clearance (Pithole protective device stretches) Total weight 3364 Design dimension Maximum platform height 13.8 Maximum working height 15.8 Maximum horizontal...
  • Page 7 GTJZ1412 & GTJZ1414 Maintenance Manual Off-running status km/h 0~3.2 Lifting status km/h 0~0.8 Gradeability Lifting/lowering time 83s~92s /55s~65s (No load) Maximum allowable wind speed 0/12.5 (Gale Level (indoor/outdoor) Maximum allowed inclined Front and rear 3°/Left and right 1.5° angle...
  • Page 8 GTJZ1412 & GTJZ1414 Maintenance Manual Description of Hydraulic System Normal temperature region (0℃ to 40℃): L-HM46; Cold region (-25℃ to 25℃): L-HV32; Hot region (>40℃): L-HM68; Extremely cold region Special scheme to be determined; (<-30℃): Different hydraulic oil may be filled in according to the requirements of the customer upon delivery.
  • Page 9 GTJZ1412 & GTJZ1414 Maintenance Manual Installation Instructions for Hydraulic Hoses and Tightening Procedures Fittings Replace the O-ring. It is necessary to replace the When removing or installing the hydraulic hoses and O-ring if the seal has been damaged. The O-ring fittings with O-ring, it is necessary to operate as per shall not be reused if the pipe fitting or the hose the torque specified in the following table.
  • Page 10 GTJZ1412 & GTJZ1414 Maintenance Manual Operating Procedures Regular Maintenance Procedures Energy 4 sets of 6V lead-acid cell in series for driving of a 24V DC motor. The gear pump is connected to the output shaft of the motor with the spline to provide power for the system.
  • Page 11 GTJZ1412 & GTJZ1414 Maintenance Manual Description This section provides detailed operation procedures Indicate that this operation must be carried for the regular maintenance and inspection. out by the supplier Symbol Definition Maintenance Schedule Safety warning mark- It is used to prompt There are five types of repair &...
  • Page 12 GTJZ1412 & GTJZ1414 Maintenance Manual Pre-delivery Inspection: Description: Use the operation manual for this machine. Attention The preparation before delivery includes inspection before delivery, maintenance procedures It is quite necessary to carry out the preparation before functional inspections. delivery. Record the inspection results. If any inspection result Carry out this procedure each time before delivery for is N, it is necessary to stop the machine, repair the the convenience of finding before putting the machine...
  • Page 13 GTJZ1412 & GTJZ1414 Maintenance Manual Maintenance Record Form: Record Form A Items Model A-1 Inspect All Manuals Serial No. A-2 Inspect All Labels A-3 Inspect Damaged, Loose or Lost Date Parts User A-4 Inspect Hydraulic Oil Level Signature of Inspector A-5 Inspect Hydraulic Oil Leakage Position of Inspector A-6 Functional Inspections...
  • Page 14 GTJZ1412 & GTJZ1414 Maintenance Manual filter Inspect Platform Weighing System (Optional) Record Form D Items D-1 Inspect Scissor Arm Installation Bearing D-2 Inspect Base Frame Slider D-3 Replace Return Oil Filter of Hydraulic Oil Tank Record Form E Items E-1 Inspect and Replace Hydraulic Oil...
  • Page 15 GTJZ1412 & GTJZ1414 Maintenance Manual A-3 Inspect Damaged, Loose or Lost Parts Procedure A A-1 Inspect All Manuals Storing the operation manual and the maintenance manual in appropriate place is of great importance to Inspecting the condition of the machine daily is of the safe operation of the machine.
  • Page 16 GTJZ1412 & GTJZ1414 Maintenance Manual Observe whether there are overflowing, dripping or residual marks around following components: Hydraulic oil tank- filter, pipe fittings, oil pipe, power unit All hydraulic cylinders, pumps and Manual release Fastening bolts Fastening bolts valve on the sliding on the sliding block of the block of the...
  • Page 17 GTJZ1412 & GTJZ1414 Maintenance Manual interval. 50% of the Carry out according to the following procedures: battery capacity B-1 Replace Return Oil Filter Element B-3 Inspect Tightening Torque of Fixing Nuts for Tires 30% of the battery A-8 Inspect Battery capacity The batter level is low...
  • Page 18 GTJZ1412 & GTJZ1414 Maintenance Manual Procedure B It is necessary to re-charge Attention when the battery level is about 20%. It is prohibited B-1 Inspect Electric Wires to re-charge after the battery has been used up. The maintenance of electric wires is of great important to normal and safe operation of the machine.
  • Page 19 GTJZ1412 & GTJZ1414 Maintenance Manual Take down the split pin, inspect and confirm that upper platforms, and turn the key switch to the the mounting nuts have been tightened with ground control position. correct torque. Press the emergency stop button on the ground When inspecting operation panel.
  • Page 20 GTJZ1412 & GTJZ1414 Maintenance Manual Turn the key switch to the platform control B-8 Testing Traveling Speed (Platform in Fully Retracted State) position. Operate the handle to make the vehicle run on flat pavement at maximum speed, and then release the handle rapidly. Measure the braking distance of the vehicle.
  • Page 21 GTJZ1412 & GTJZ1414 Maintenance Manual position until the platform rises to its maximum Implement this procedure Attention height. when the hydraulic motor stops operating. Result: Remove the oil filter of hydraulic oil tank. GTJZ1412: platform lifting time shall be about 83s-92s.
  • Page 22 GTJZ1412 & GTJZ1414 Maintenance Manual Procedure C C-1 Replace Air Filter of Hydraulic Oil Tank Procedure D D-1 Inspect Scissor Arm Installation Bearing Replacing the air filter of hydraulic oil tank is of great importance to the normal work and extension of service life of the machine.
  • Page 23 GTJZ1412 & GTJZ1414 Maintenance Manual The procedure shall be Attention executed when Replacing the return oil filter of hydraulic oil tank is platform is fully retracted. of great importance to the normal work and extension of service life of the machine. A dirty or blocked filter Open the left door of the chassis and remove the may cause the machine to operate abnormally.
  • Page 24 GTJZ1412 & GTJZ1414 Maintenance Manual Maintenance Procedures Description Most procedures in this section should be carried out in the special maintenance service center. After detecting the troubles, it is necessary to select appropriate maintenance procedures. Symbol Definition Safety warning mark- It is used to prompt potential personal injuries.
  • Page 25 GTJZ1412 & GTJZ1414 Maintenance Manual Platform Components the chute at the bottom of the platform. Uplift and push the platform to move the sliding 1-1 How to Remove Electric Control Box from block to the gap of platform. Platform Move away the platform. 1-3 How to Remove Extension Platform Touching live line might Warning...
  • Page 26 GTJZ1412 & GTJZ1414 Maintenance Manual Scissor Arm Part 2-1 How to Remove Scissor Arm 2-2 How to Remove Lifting Cylinder The operation shall be Attention executed when the scissor Hot or jetted hydraulic oil may cause injury to human arm is in fully retracted body.
  • Page 27 GTJZ1412 & GTJZ1414 Maintenance Manual 3-2 How to dismantle the driving motor Base Frame Components 3-1 How to dismantle the brake The driving motor not only plays the role of braking but also plays the role of fixing during the installation of front wheel.
  • Page 28 GTJZ1412 & GTJZ1414 Maintenance Manual 3-3 How to Remove Storage Battery 3-5 How to dismantle the hydraulic power unit Before removing Caution Attention storage battery, the power Hot or high pressure hydraulic supply of the charger and oil might cause personal injuries. Thus, before the whole machine must be shut off.
  • Page 29 GTJZ1412 & GTJZ1414 Maintenance Manual Label, disconnect and plug rubber hoses, joints Remove the fixing bolts from the front wheel on the hydraulic oil tank. bracket. Remove the fixing bolts installed on the bottom Remove the front wheel bracket. of the hydraulic oil tank. Hydraulic System Take down the fixing bolts.
  • Page 30 GTJZ1412 & GTJZ1414 Maintenance Manual Caution Bodily injury. Hot fluid will penetrate or burn the skin. Loosen the hydraulic connector slowly and drain the oil pressure slowly; do not let the oil spray. 4-2 How to Remove Hydraulic Pump When removing the hose Attention and the fittings, it is necessary to replace the...
  • Page 31: Control Valve Block On The Platform

    GTJZ1412 & GTJZ1414 Maintenance Manual 4-3 Control valve block on the platform How to Install Cartridge Valve 1. Immerse the valve into clean oil and lubricate the O-ring. 2. Screw in the cartridge valve with hand until the O-ring contacts with valve block, and tighten as per specified torque.
  • Page 32 GTJZ1412 & GTJZ1414 Maintenance Manual How to Adjust System Overflow Valve The details are shown in Page 5: Instructions for Hydraulic System. Shut down the machine, fix the main overflow valve with a wrench and screw off the nuts. Regulate the inner hexagon, screwing it in the clockwise direction to increase the pressure and in the anticlockwise direction to reduce the pressure.
  • Page 33 GTJZ1412 & GTJZ1414 Maintenance Manual fork arm with the safety rod. Risk of crushing: The two Warning hands should be kept away from the scissors fork arm while descending the platform. Pull the emergency descent lever till it cannot be moved.
  • Page 34 GTJZ1412 & GTJZ1414 Maintenance Manual 2……….Pressure port M Remove the platform controller from the platform and operate it on ground. In this step, the platform Attention controller should be operated on ground rather than on the platform. Turn the key switch to the platform controller, and back out the emergency switch buttons on the ground and platform controller.
  • Page 35: Symbols Of Hydraulic System

    GTJZ1412 & GTJZ1414 Maintenance Manual 4-4 Symbols of Hydraulic System Priority valve Filter Power unit Manual braking relief valve Overflow valve Brake Three-position four-way solenoid directional valve Hydraulic motor Manual lowering release valve Check valve Travelling high and low speed reversing valve One-way throttle valve...
  • Page 36: Hydraulic Schematic Diagram

    GTJZ1412 & GTJZ1414 Maintenance Manual 4-5 Hydraulic Schematic Diagram GTJZ1412 Hydraulic Schematic Diagram Lower lifting Overweight sensor cylinder Steering cylinder Brake valve set...
  • Page 37: Electrical System

    GTJZ1412 & GTJZ1414 Maintenance Manual battery in a well-ventilated place. Electrical System Do not add acid into the battery.  5-1 Use and Maintenance of Lead-Acid Storage Always keep the battery vertical. The electrolyte  Battery in the battery may flow over if the batter is placed sidelong or tilting.
  • Page 38 GTJZ1412 & GTJZ1414 Maintenance Manual Preventive Maintenance With regard to standard battery, fill in water to  the position 3mm below the vent cap (the plastic Inspection cap in the vent hole) Inspect the appearance of the battery; the  After filling in water, re-fix the vent cap on the ...
  • Page 39 GTJZ1412 & GTJZ1414 Maintenance Manual Equalization 1.148 1.993 5.98 11.96 The equalization is over-charging of the flooded/wet 1.124 1.969 5.91 11.81 battery after fully charged. It is recommended to 1.098 1.943 5.83 11.66 equalize the battery only when the specific gravity of battery is low (lower than 1.25) or the scope (0.030) 1.073 1.918...
  • Page 40 GTJZ1412 & GTJZ1414 Maintenance Manual possible) and measure the voltage of battery It is necessary to equalize the battery rack if the  rack when charging. voltage of any battery is 0.3V higher than that of other batteries in the battery rack. At the end of charging, if the current is lower ...
  • Page 41 GTJZ1412 & GTJZ1414 Maintenance Manual Charging indication: The yellow indicator lamp  will be lit up when charging, the green indicator lamp will be lit up after charging and the red indicator lamp will be lit up if the battery has trouble.
  • Page 42: Trouble Diagnosis (Deltatech System)

    GTJZ1412 & GTJZ1414 Maintenance Manual 5-2 Trouble Diagnosis (Deltatech System) The machine with this system has two display screens which are located on the ECU control box of lower platform and the control box of upper platform which. They are used to display the machine parameter information and the trouble types.
  • Page 43 GTJZ1412 & GTJZ1414 Maintenance Manual Trouble Description and Inspection (Deltatech System) Indication Trouble Description Action Limit Trouble Inspection System initialization trouble All actions The ECU may have fault. Replace the ECU. Inspect whether the communication cables are connected properly; replace the ECU and the PCU if the cables are System communication trouble All actions connected properly.
  • Page 44 GTJZ1412 & GTJZ1414 Maintenance Manual Indication Trouble Description Action Limit Trouble Inspection forward solenoid valve Limiting the lifting Inspect whether the harness connected to the solenoid valve connector has been inserted tightly, and meanwhile inspect breaks down and traveling whether the solenoid valve is short-circuited or open-circuited. The backward solenoid valve Limiting the lifting Inspect whether the harness connected to the solenoid valve connector has been inserted tightly, and meanwhile inspect...
  • Page 45: Fundamental Troubleshooting

    GTJZ1412 & GTJZ1414 Maintenance Manual 5-3 Fundamental Troubleshooting Trouble Phenomenon Trouble Causes Troubleshooting he key is in the middle position. The upper platform or the lower platform emergency stop button is pushed down. The upper platform controller is unusual or not powered off after downloading of a The power indicator lamp is not lit up The equipment has not been powered on program.
  • Page 46 GTJZ1412 & GTJZ1414 Maintenance Manual Inspect whether the on-off input plug is inserted properly or firmly. The lower platform could not be lowered when it is Inspect whether the wiring of plug switch is abnormal. The lowering valve has trouble no-loaded and level Inspect whether the connection of the lead of lifting valve is wrong, and whether the lowering valve is abnormal.
  • Page 47 GTJZ1412 & GTJZ1414 Maintenance Manual The high-speed hydraulic valve is connected incorrectly There is no warning after descending to the minimum limiting position. The high speed cannot Pit protection The installation of the travel switch is improper /abnormal be reached while moving The hydraulic valve is abnormal The level switch air bubble is not in the middle position.
  • Page 48: Electrical Symbols

    GTJZ1412 & GTJZ1414 Maintenance Manual Toggle switch 5-4 Electrical Symbols Limit switch Fuse Solenoid coil Warning lamp Sensor Buzzer Motor controller Horn Indicator lamp Button Connector Key switch Oil pump motor Relay Two circuits are connected Two circuits are not connected Emergency stop button Charger Blue...
  • Page 49: Electrical Schematic Diagram (Deltatech System)

    GTJZ1412 & GTJZ1414 Maintenance Manual 5-5 Electrical Schematic Diagram (Deltatech system) Platform control Power-off Controller for oil pump Emergency Stop Power supply of Rising to Lowering Lifting and Level Alertor of Angle Power supply Pressure Implementation Power socket Battery and charger Fuse Key Switch to proper...

This manual is also suitable for:

Sinoboom gtjz1414

Table of Contents