Mitsubishi's FB16KT, FB18KT and FB20KT forklift trucks share this 118-page operator manual PDF, OEM number 99710-79110, so one book covers all three capacities. Its capacity chart and tipover section show how load weight and load center interact before you raise the forks, while the Central Vehicle Monitoring System pages explain each flickering or flashing error code light. Maintenance takes up a good share of the book: daily pre-start inspection, 50-hour or weekly checks, a lubrication chart and parts to change periodically, backed by refill capacities and recommended lubricants and brake fluid. Confirm parking brake lever effort sits at 245 to 294 N (55 to 66 lbf), and torque front and rear wheel nuts to 156.9 ± 15.7 N·m (115.7 ± 11.6 lbf·ft). A guessed wheel nut torque is how a wheel walks off under load. Bookmarked and text-searchable, the PDF finds the right figure fast, so your truck is back moving pallets before the shift ends.
What's Inside This Mitsubishi FB16KT, FB18KT, FB20KT Operator Manual
| System | Pages | Key Topics |
|---|---|---|
| Safety Rules for Forklift Truck Operators | 7-31 | In General, Warning Decals, Description, Safety Rules, Operating Precautions, Working Precautions, Battery |
| Know Your Forklift Truck | 32-49 | Serial Number & Capacity Plate, Model View, Major Electrical Components, Operating Controls, Console Box, Central Vehicle Monitoring System, Operator’s Seat, Seat Belt |
| How to Avoid a Tipover; How to Survive One | 50-56 | Know What Forklift Truck Stability Is, Center of Gravity, Stability and Center of Gravity, Forklift Truck Stability Base, Rated Capacity, Capacity Chart |
| Operation | 57-64 | New Forklift Truck Break-In, Before Starting, Before Operating Forklift Truck, Forklift Truck Operation, Stopping Forklift Truck, Parking Forklift Truck |
| Operating Techniques | 65-75 | Stacking Methods, Handling Loads Safely, Correct Operating Steps and Flickering/Flashing, Incorrect Operating Steps, Inching Into and Lifting the Load, Traveling with the Load |
| Storing the Forklift Truck | 76-77 | End of Each Shift Storage, Long Term Storage, Cleaning and Storing the Battery |
| Special Situations | 78 | Care in Cold Weather, Care in Hot Weather |
| Transportation Hints | 79 | Forklift Truck Shipping, Machine Lifting and Tiedown Information |
| Troubleshooting | 80-86 | If the Truck Shuts Down Suddenly, If Central Vehicle Monitoring System Does Not Come on, If Light Bulbs Burn Out |
| Maintenance | 87-105 | General, Inspection Precautions, Maintenance Schedule, Daily Inspection, Every 50 Service Hours or Weekly, Whichever Comes First, One Month After Delivery of a New Truck |
| Service Data | 106-108 | Measurements and Refill Capacities, Rated Capacities and Vehicle Weights, Recommended Lubricants and Brake Fluid |
| To the Forklift Truck Owner | 109-112 | Importance of Genuine Parts, Instructions for Ordering Parts, Service Registration, Transfer of Ownership Report |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| All Models | ||
| Tightening torque for the bolt (Tilt Cylinder Socket Bolts) | 157 to 182 N·m (16 to 18.6 kgf·m) [115.8 to 134.2 lbf·ft] | p. 92 |
| Tightening torques for Wheel Nuts (Front) | 156.9 ± 15.7 N·m (16 ± 1.6 kgf·m) [115.7 ± 11.6 lbf·ft] | p. 85 |
| Tightening torques for wheel nuts | 156.9 ± 15.7 N·m (16 ± 1.6 kgf·m) [115.7 ± 11.6 lbf·ft] | p. 85 |
| Parking brake lever operating effort | 245 to 294 N (25 to 30 kgf) [55 to 66 lbf] | p. 106 |
| Hydraulic tank capacity (Normal level) | 15.5 L (4.1 U.S. gal) | p. 106 |
| Hydraulic tank capacity (High level) | 18.5 L (4.89 U.S. gal) | p. 106 |
| Brake fluid reservoir capacity | 99 cc (6.04 cu in.) | p. 106 |
| Tightening torque for tilt cylinder socket bolt | 157 to 182 N·m (16 to 18.6 kgf·m) [115.8 to 134.2 lbf·ft] | p. 92 |
| Brake pedal free-play | 3 to 9 mm (0.12 to 0.35 in.) | p. 106 |
| FB16KT | ||
| Tightening torques for wheel nuts | 156.9 N·m (16 kgf·m) [115.7 lbf·ft] | p. 106 |
| FB16KT, FB18KT | ||
| Lift chain length limit (FB16KT, FB18KT) | 327 mm (12.87 in.)/20 links | p. 106 |
| FB20KT | ||
| Lift chain length limit (FB20KT) | 392 mm (15.43 in.)/20 links | p. 106 |
Mitsubishi FB16KT, FB18KT, FB20KT Common Problems This Manual Covers
Mitsubishi FB16KT FB18KT FB20KT forklift truck shuts down suddenly during operation with no warning
Check the battery plug first and confirm both halves are fully connected. Work through the shutdown checklist on page 80, then inspect the fuses for a blown element. If the plug and fuses are good, treat it as an electrical failure: tag the truck out of service and get it diagnosed before the next shift.
Manual Section: If the Truck Shuts Down Suddenly p. 80Error code light flickers or flashes on the display and the truck stops moving
Check that the direction lever is in neutral, your foot is off the accelerator pedal, and you are seated firmly on the seat switch. Then restart in the correct sequence shown on page 82. If the light keeps flashing, read the displayed code and match it against the error code list on page 86 before calling service.
Manual Section: If Error Code Light Flickers or Flashes and the Forklift Truck Stops Moving p. 82Central vehicle monitoring system display stays dark and does not come on
Check that the battery plug is fully connected, since a disconnected plug leaves the whole panel dead. Verify the batteries are charged, then inspect the fuses for a blown element. Replace a blown fuse and retest; if the display still stays dark, have the electrical system checked before putting the truck back to work.
Manual Section: If Central Vehicle Monitoring System Does Not Come OnBrake pedal free-play and parking brake lever effort feel wrong during daily inspection
Measure brake pedal free-play and compare it against 3 to 9 mm (0.12 to 0.35 in.) listed on page 106. Pull the parking brake lever and check that operating effort falls between 245 and 294 N (55 to 66 lbf). If either is out of range, keep the truck parked until the brakes are adjusted.
Manual Section: Service Data p. 106After changing a front or rear tire, wheel nuts keep working loose
Torque the wheel nuts to 156.9 ± 15.7 N·m (115.7 ± 11.6 lbf·ft) following the tire change procedure on page 85. Verify the truck is lifted and supported securely before pulling the wheel, and seat the new wheel squarely before tightening. Check every nut with a torque wrench, not an impact gun.
Manual Section: Changing a Tire p. 85Hydraulic oil level reads low on the tank check during the daily inspection
Check the hydraulic oil level on level ground during the daily inspection and top up only with the oil listed under recommended lubricants. Refer to page 106 for tank capacity: 15.5 L (4.1 U.S. gal) at normal level and 18.5 L (4.89 U.S. gal) at high level. If the level keeps dropping between shifts, get the leak found.
Manual Section: Service Data p. 106Frequently Asked Questions
How do I reset the Mitsubishi FB16KT, FB18KT, or FB20KT fault code?
To clear most error codes, turn the key switch to the (OFF) position temporarily and then turn it back to the I (ON) position. For specific errors like the direction lever not being in neutral, place the lever in the neutral position and release the accelerator pedal. p. 40
What do the Mitsubishi FB16KT, FB18KT, and FB20KT error codes mean?
Error codes provide specific diagnostic information, such as E4 or E5 for traction motor brush wear, E6 for pump motor brush wear, and H1-H4 for control levers not being in the neutral position. A complete list of error codes and their explanations is provided on page 86. p. 86
What is the tightening torque for the wheel nuts on the Mitsubishi FB16KT, FB18KT, and FB20KT?
The tightening torque for both the front and rear wheel nuts is 156.9 ± 15.7 N·m (16 ± 1.6 kgf·m) [115.7 ± 11.6 lbf·ft]. p. 85
What is the correct brake pedal free-play for these forklift models?
The correct brake pedal free-play is 3 to 9 mm (0.12 to 0.35 in.). p. 97
What is the tightening torque for the tilt cylinder socket bolts on the Mitsubishi FB16KT, FB18KT, FB20KT forklift?
The tightening torque for the tilt cylinder socket bolts is 157 to 182 N·m (16 to 18.6 kgf·m) [115.8 to 134.2 lbf·ft]. p. 92
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