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Service Manual 

EK18RF/RFL

 

Stand Up Forklift 

 

 

 

WARNING 

You must understand the operation instructions in this manual 

before using it. 

Attention: 

 

Please check the last page of this document and all 

the current product type identification on the name 

plate. 

 

Keep it for future use 

 

 

 

 

 

 

 

 

 

 

Summary of Contents for EK18RF

Page 1: ...orklift WARNING You must understand the operation instructions in this manual before using it Attention Please check the last page of this document and all the current product type identification on t...

Page 2: ...ault code is displayed 8 3 Wiring circuit Diagram 9 a Schematic diagram and wiring diagram 10 b Hydraulic circuit 11 4 Main parts disassembling 12 a Battery brake adjustment 12 b Drive assembly disass...

Page 3: ...justment is only allowed by trained service technician If you need to replace wheels casters must be round and free of abnormal wear Check the items on the maintenance list 2 Maintenance List Interval...

Page 4: ...eter 3 6 Check whether the correct fuse is used 3 7 Detect warning signals 3 8 Check the current contactor 3 9 Check frame for leakage insulation test 3 10 Check the function and wear of the drive con...

Page 5: ...in cable for damage 5 5 Check the start up protection program during charging Monolithic Construction 6 1 Check all labels for clarity and completeness 6 2 Check the frame for damage 6 3 Check the fix...

Page 6: ...5 Pic2 The rail of gantry Pic3 Drive axle clamp...

Page 7: ...cessary 5 Fault analysis If the vehicle continues to malfunction follow the instructions of the manual 6 Common fault analysis Fault Cause maintenance Vehicles cannot move The battery connector is not...

Page 8: ...ch not pressed handle safety switch not pressed Step on the pedal switch and press the handle safety switch You can t stop when you go up The lifting microswitch is damaged Cut off the power supply an...

Page 9: ...controller runs in a low temperature environment 17 Severe Undervoltage 2 The temperature sensor is damaged 18 Severe Overvoltage 1 Vehicle overload 21 Motor Temp Hot Cutback 2 The controller runs in...

Page 10: ...7 Motor Open 1 Open cables to the steering motor 38 Motor Short 2 The motor is incorrectly connected 41 Command Analog1 Out of Range 3 The controller fails 42 Command Analog2 Out of Range 1 The steeri...

Page 11: ...incorrect 62 Communication Fault 1 Analog feedback input 1 J1 11 is out of range 63 Communication Lost 2 The parameter Settings are incorrect 71 Software Fault 1 Analog feedback input 2 J1 3 is out of...

Page 12: ...be charged normally 7 Severe Overvoltage 1 The working environment of the controller is too harsh 8 Controller Undertemp Cutback 1 The working environment of the controller is too harsh 9 Controller...

Page 13: ...ong wiring 25 Motor Open 1 Connect the load to open or short circuit 26 Main Contactor Welded 2 The connector is defiled 27 Main Contactor Did Not Close 3 Incorrect cables are connected 28 Throttle Wi...

Page 14: ...t 2 Wrong wiring 45 VCl OS Mismatch 1 main contactor contact fusion 46 EM Brake Failed to Set 2 Motor U or V is disconnected or phase is missing 47 Encoder LOS Limited Operating Strategy 3 The circuit...

Page 15: ...14 9 Wiring circuit diagram A Electrical schematic diagram 3 2 hydraulic principle diagram...

Page 16: ...ith other particles can be used after filtering 11 Steering system The steering system consists of rotating steering wheel steering shaft steering gear electromagnetic braking steering motor and reduc...

Page 17: ...on of S then the vehicle rotation direction is S If the steering wheel is rotated in the N direction the whole vehicle rotates in the N direction When the vehicle is driving backwards the steering whe...

Page 18: ...17 12 The braking system Operating handle diagram...

Page 19: ...ng wheel in the desired direction forward or backward Hold the handle lever safety switch must be pressed to B direction forklift forward Hold the handle lever safety switch must be pressed in the F d...

Page 20: ...frame and the lateral cylinder completes the left and right side movement of the tray frame It has been debugged before leaving the factory After leaving the factory non after sales staff of our comp...

Page 21: ...20 1 solenoid valve 2 proportional valve 3 check valve 4 countercurrent valve 5 throttle valve...

Page 22: ...21 13 Schematic drawing of lifting cylinder and tilting cylinder...

Page 23: ...ring 9 Supporting ring 10 Sealing ring 11 Retainer ring 12 Safety globe valve 13 Cylindrical pin 14 Buffer sleeve 16 Piston 1 Piston rod 2 Dust ring 3 O ring 4 Cylinder head 5 Cylinder block 6 Separa...

Page 24: ...block 3 Piston 5 Sealing ring for hole 6 Supporting ring for hole 7 Piston rod 9 Guide sleeve 10 Bearing 11 O ring 12 Seal ring for shaft 13 Dust ring 14 Nut 15 Plain bearings 17 Elastic retainers fo...

Page 25: ...fork mountain to the maximum height above a pair of rollers will extend out of the inner door frame edge Fork by hook hanging on the fork frame and lock pin locked in the fork frame beam groove fork...

Page 26: ...on a single cell in the battery pack Press the emergency stop switch and power key switch to the OFF position so that it is in the cut OFF position Remove the connector of the battery cable 14 CURTIS...

Page 27: ...serve the change of the hand held value CURTIS Contents of handheld unit menu The Curtis 1313 handheld programmer is used to configure the Curtis electric control system Through this programmer you ca...

Page 28: ...handheld programmer can be connected to the controller by inserting the programming port of the controller After connecting the controller the handheld programmer will be powered on automatically and...

Page 29: ...LCD screen above Direction arrow key The displayed information can be selected up down or left by four directional buttons buttons You can add and subtract parameters by using these two keys In additi...

Page 30: ...all nine sub menus are shown in bold on the main menu and below the icon When entering the stepped menu the name of the sub menu or the path you are in is displayed at the top of the screen Fault Diag...

Page 31: ...iles through programming menus Clear All is used to Clear historical fault folders A function key is highlighted only when there are historical failures in the historical failures folder and grayed ou...

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