Related Manuals for Mitsubishi FB18KT
Summary of Contents for Mitsubishi FB18KT
- Page 1 Service Manual Controller FB16KT EFB4A-00011-up FB18KT EFB5A-00011-up FB20KT EFB5A-50001-up For use with FB16KT-FB20KT Chassis Service Manual. 99719-5A100...
- Page 2 The descriptions, illustrations and specifications contained in this manual were of the trucks of serial numbers in effect at the time it was approved for printing. Mitsubishi reserves the right to change specifications or design without notice and without incurring obligation.
- Page 3 Mitsubishi forklift truck, are OPERATION & MAINTENANCE MANUAL. outlined in the OPERATION & MAINTENANCE Improper truck operation is dangerous and MANUAL for these trucks. could result in injury or death.
- Page 4 19. Tighten connections to the correct torque. Make 10. Always use tools that are in good condition and be sure you understand how to use them before sure that all heat shields, clamps and guards are performing any service work. installed correctly to avoid excessive heat, vibration or rubbing against other parts during operation.
- Page 5 HOW TO USE THIS MANUAL (Removal, Installation, Assembly and Disassembly) Disassembly diagram (example) Procedures are described in the text. Disassembling sequence 209603 Sequence 1 Cover , Bolt, Washer (part name) 2 Snap ring ....(part name) Suggestion for disassembling 1. Output shaft, Removing Remove output shaft using a special tool.
- Page 6 Symbols or abbreviation Option R1/4 Taper pipe thread (external) 1/4 inch (formerly PT1/4) Rc1/8 Taper pipe thread (internal) 1/8 inch (formerly PT1/8) G1/4A Straight pipe thread (external) 1/4 inch (formerly PF1/4-A) Rp1/8 Straight pipe thread (internal) 1/8 inch (formerly PS1/8) Units 1.
- Page 7 GROUP INDEX GROUP INDEX Items MAIN CONTROLLER Controller components, Inspection and adjustment, Service data TROUBLESHOOTING Faulty central vehicle monitor system, Faulty diagnosis indication, FOR CONTROL or Other abnormalities CIRCUITS MOTORS Drive motor, Pump motor, EPS motor...
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Page 8: Table Of Contents
MAIN CONTROLLER Outline ....................... 1 – 1 Controller Components (Part 1) ............1 – 2 Controller Components (Part 2) ............1 – 3 Logic Card Components ..............1 – 4 Controller Models ................... 1 – 5 Operation Outline ................... 1 – 6 Drive System ................... - Page 9 Malfunction Data Record (History Folder) ........1 – 18 Data Storage .................... 1 – 18 Review of Stored Data ................1 – 18 Setting ....................... 1 – 18 Printed Circuit Board Settings ..............1 – 18 Adjustment of Remaining Battery Level ............ 1 – 18 Setup Options ...................
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Page 10: Outline
MAIN CONTROLLER Outline Main controller The main controller is the heart of the forklift truck operating system. The logic card contains judgment-making functions, and is equipped with a battery discharge indicator and a malfunction diagnostic function. The main controller is used to operate the drive motors, pump motor and power steering system. -
Page 11: Controller Components (Part 1)
MAIN CONTROLLER Controller Components (Part 1) 206795A 1 Logic card 6 Line contactor 2 Head capacitors 7 Line fuse (500 A) 3 Current sensor 8 DRS switch (for malfunction diagnosis and 4 Regeneration contactor program option setting) 5 Lift fuse (325 A) 9 Power steering fuse (50 A) -
Page 12: Controller Components (Part 2)
MAIN CONTROLLER Controller Components (Part 2) 206796 1 Hydraulic system diode (D1P) 5 Drive system IGBT (T1R) 2 Drive system diode (D1L) 6 Hydraulic system IGBT (T1P) 3 Drive system diode (D1R) 7 Regeneration system diode (D2) 4 Drive system IGBT (T1L) 8 Temperature sensor NOTE IGBT stands for Insulated Gate Bipolar Transistor. -
Page 13: Logic Card Components
MAIN CONTROLLER Logic Card Components Odd number pins on tops. Even number pins on bottom. 206797 1 Selector switches (SW1 to SW8) 4 CN2 connector (Pin Nos. 23 to 38) 2 Microprocessor (MPU) 5 CN3 connector (Pin Nos. 39 to 64) 3 CN1 connector (Pin Nos. -
Page 14: Controller Models
(2) The DSWs of the logic card are set according to vehicle weight (1.6, 1.8 and 2.0 tons). The maximum vehicle speed varies depending on load weight, as shown in the table below. Truck Models FB16KT FB18KT FB20KT Travel Speeds 48 V km/h (mph) 16/14 (10/8.7) 16/14 (10/8.7) -
Page 15: Operation Outline
MAIN CONTROLLER Operation Outline Drive System Neutral Position (1) Power ON, default condition When the direction lever is in the neutral position, the • Turning on the key switch supplies power to the controller turns the regeneration contactor OFF and logic card and display unit. -
Page 16: Drive Motor's Current Table (48 V Type)
MAIN CONTROLLER Drive Motor’s Current Table (48 V type) Armature Current Table High power mode Standard mode Economy mode Thermal & Battery [0] mode Brake Limit mode 207520 Shunt Current Table High power & Standard & Economy mode Thermal & Battery [0] mode Brake Limit mode 207521... - Page 17 MAIN CONTROLLER • 48 V type mode setting Setting Application Function Default value Accel- Accel- Start Auto Speed Power Lift Tilt Regen Speed Power Tilt eration eration lift lift regen Normal Std. High Power. performance Economy Eco. Long travel Power. Short shuttle Eco.
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Page 18: Regeneration
MAIN CONTROLLER Regeneration (3) Regeneration mode priority When the lever regeneration function and one of (1) Lever regeneration the above two regeneration modes demand different When the direction lever is shifted into the position amounts of regeneration, the amount requested by the lever regeneration function takes precedence. -
Page 19: Lever Regeneration Characteristic (48 V Type)
MAIN CONTROLLER Lever Regeneration Characteristic (48 V Type) Armature Current Table Range 5 Range 1 207524 Shunt Current Table Range 3 & 4 & 5 Range 1 & 2 207525 1-10... -
Page 20: Auto Regeneration Characteristic (48 V Type)
MAIN CONTROLLER Auto Regeneration Characteristic (48 V Type) Armature Current Table Range 5 Range 1 207528 Shunt Current Table Range 5 Range 1 & 2 & 3 207529 1-11... -
Page 21: Steering Characteristic (1.6 Ton Type)
MAIN CONTROLLER Steering Characteristic (1.6 ton type) Armature Current Table I [%] Steering Angle [degrees] Left Right Left Motor Right Motor 207532 Shunt Current Table I [%] -100 -120 Steering Angle [degrees] Left Right Left Motor Right Motor 207533 1-12... -
Page 22: Steering Characteristic (1.8 Ton Type)
MAIN CONTROLLER Steering Characteristic (1.8 ton type) Armature Current Table I [%] Steering Angle [degrees] Left Right Left Motor Right Motor 207534 Shunt Current Table I [%] -100 -120 Steering Angle [degrees] Left Right Left Motor Right Motor 207535 1-13... -
Page 23: Steering Characteristic (2.0 Ton Type)
MAIN CONTROLLER Steering Characteristic (2.0 ton type) Armature Current Table I [%] Steering Angle [degrees] Left Right Left Motor Right Motor 207536 Shunt Current Table I [%] -100 -120 Steering Angle [degrees] Left Right Left Motor Right Motor 207537 1-14... -
Page 24: Hydraulic System
MAIN CONTROLLER Hydraulic System (4) Priority When two or more levers are operated at the same Manual Control Model time, the following priority order is effective. (High priority) Tilt lever, Attachment 1 lever, The hydraulic levers are used to operate the pump Attachment 2 lever, Lift (Low priority) motor. -
Page 25: Fail-Safe System
MAIN CONTROLLER Fail-Safe System The battery mode shows “0”. Pump motor — In the MC and FC models, the Output Power Control at Low Battery output duty reduces by 50% in lifting and Voltage attachment operations. Tilt operations do not change the output duty. (1) Battery discharge characteristic Simultaneous operations —... -
Page 26: Overheat
MAIN CONTROLLER Overheat Chat Timer (SUO #24) • When the following conditions remain for the time (1) Drive motor overheat (Error codes E0, E1) duration set by SUO #24, the line contactor turns The output limit control is provided only for drive OFF. -
Page 27: Malfunction Data Record (History Folder)
MAIN CONTROLLER Malfunction Data Record Setting (History Folder) Printed Circuit Board Settings Data Storage Refer to the printed circuit board adjustment and setting Errors are automatically stored in the logic card items table. See page 1-27. memory. Stored data includes the following information. -
Page 28: Setup Options
MAIN CONTROLLER Setup Options (4) To set default values For details, refer to the setup options table. The following procedure sets default values in the setup option values. After the logic card is (1) To enter setup option mode. replaced, be sure to perform this setting first. Group 1: Set the DRS switch to S, set the seat •... -
Page 29: Other Functions
MAIN CONTROLLER Other Functions Display Unit BDI (Battery Discharge Indicator) (1) Service indicator (SUO #10) When the vehicle hourmeter indication reaches the • The battery discharge level is indicated by the 10- set value, the service indicator turns ON to notify segment LCD. -
Page 30: Vehicle Speed And Error Code Display
MAIN CONTROLLER Vehicle Speed and Error Code Display (7) Malfunction lamp The indicator flashes when a malfunction is • The display indicates vehicle speed under normal detected. Refer to the malfunction detection table. condition, and shows an error code when an abnormality occurs. - Page 31 MAIN CONTROLLER Setup Options (Group 1) Default Value Option Title of Option Description Range 48 V type MC type FC type A, B, C, D, E If any of these There are 5 truck modes and each has 7 Application option values are option values: Pre-Sets...
- Page 32 MAIN CONTROLLER Setup Options (Group 2) Option Default Title of Option Description Range value 0: Turned off When the auxiliary input signal is 1: Disable lift (input; low volts) on, the controller will limit top speed Auxiliary Input for or inhibit lifting or reduce power 2: Speed limit (input;...
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