Operating and safety instructions, machine description with load chart, the full servicing schedule and trailer mounting procedures: that is the scope of this 105-page Manitou operator manual PDF (OEM ID 51900008) for the TMT55 series rough terrain forklift truck, covering the TMT55 HT and TMT55 XT 4W T3 versions. Load handling gets serious attention, with laden and unladen operating instructions plus a dimensions and load chart section you check before committing to a heavy lift. Maintenance fills close to a third of the book: servicing schedule, lubricants and fuel, filters, cartridges and belts, with the instruments and controls pages decoding each dashboard indicator. Fit hydraulic filter elements rated 15 µ on both suction and return, and a dry 3 µm air cleaner element. Waiting on a mis-ordered filter costs you whole shifts. Bookmarked and text-searchable, this PDF helps you order the correct cartridge the first time.
What's Inside This Manitou TMT55 HT/XT 4W Operator Manual
| System | Pages | Key Topics |
|---|---|---|
| Operating and Safety Instructions | 24-45 | Instructions to the Company Manager, Instructions for the Operator, Operating Instructions Unladen and Laden, Instructions for Handling a Load |
| Description | 46-66 | Identification of the Lift Truck, Characteristics, Dimensions and Load Chart, Instruments and Controls |
| Maintenance | 67-97 | Manitou Original Spare Parts and Equipment, Filters Cartridges and Belts, Lubricants and Fuel, Servicing Schedule |
| Mounting the Lift Truck | 98-105 | Mounting the Lift Truck Onto the Trailer, Dismounting the Lift Truck From the Trailer |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Battery | 12 V - 74 Ah - 680 A EN | p. 51 |
| Filtration Suction | 15 µ | p. 53 |
| Filtration Return | 15 µ | p. 53 |
| Air cleaner | Dry 3 µm | p. 51 |
| F1 Fuse Rating | 10A MAXI | p. 62 |
| F2 Fuse Rating | 10A MAXI | p. 62 |
| Fuel filter cartridge change interval | 500 H | p. 72 |
| Dry air filter cartridge cleaning interval | 50 H | p. 72 |
| I.C. engine oil filter change interval | 500 H | p. 72 |
| I.C. engine oil capacity | 10.9 Liters | p. 73 |
| Battery electrolyte level | 3/8 in. above the top of the plates | p. 80 |
| Engine Oil Capacity | 10.9 Liters | p. 73 |
Manitou TMT55 HT/XT 4W Common Problems This Manual Covers
Manitou TMT55 red air filter clog lamp lit on the dashboard with engine running
Clean the dry air filter cartridge every 50 H and change it at 500 H, per the filter table on page 72. Replace the safety dry air filter cartridge at 1000 H. Check that the replacement cartridge is the dry 3 µm type listed on page 51, then confirm the lamp goes out after restart.
Manual Section: Air FilterEngine oil pressure warning lamp glowing red on the instrument panel after the engine starts
Stop the engine and check the engine oil level before doing anything else. Top up as needed, keeping in mind the engine oil capacity is 10.9 liters per page 73. Verify the I.C. engine oil filter was changed at the 500 H interval on page 72; if the lamp stays lit with correct oil, stop work and call your dealer.
Manual Section: Engine Oil PressureWater temperature warning lamp turns red on the dashboard during a long work shift
Shut the engine down and let it cool fully before opening the cooling circuit, since hot coolant is under pressure. Check the coolant level and top up; the cooling circuit capacity is 8 liters per page 73. Work through the servicing schedule on pages 74 and 75 to confirm cooling circuit service is current.
Manual Section: Water TemperatureHydrostatic transmission oil filter clog lamp lit red while driving the lift truck
Check whether the hydrostatic transmission oil filter is due by comparing the hour meter against the servicing schedule on pages 74 and 75. Replace the clogged filter cartridge with a Manitou original part. If the lamp returns soon after a filter change, suspect contaminated oil and stop work until it is checked.
Manual Section: Hydrostatic Transmission Oil FilterAlternator charge warning lamp stays red on the dashboard with the engine running
Check the alternator/crankshaft belt first and adjust it to the 19 ft/lbs tightening torque given on page 82. Inspect the battery terminals, then verify the electrolyte sits 3/8 in. above the top of the plates per page 80. Confirm a replacement battery matches the 12 V 74 Ah 680 A EN rating on page 51.
Manual Section: Alternator ChargeAfter a fuel filter cartridge change the engine cranks but will not start
Bleed the air out of the fuel filter and injection nozzles before cranking again; air left in the system after a filter change keeps the engine from firing. Confirm the tank has fuel (capacity is 31 liters per page 73). Change the fuel filter cartridge every 500 H as listed on page 72.
Manual Section: Fuel System BleedingFrequently Asked Questions
What are the fuel filter replacement specifications for the Manitou TMT55 HT/XT 4W engine?
The engine fuel filter cartridge is part number 748087 and should be changed every 500 hours of operation. p. 72
What is the tightening torque for the wheel nuts on the TMT55?
The wheel nuts for both front and rear tires must be tightened to a torque of 125 ft/lbs (170 Nm). p. 77
What is the hydraulic oil tank capacity on the Manitou TMT55 HT/XT 4W?
The hydraulic oil tank has a capacity of 45 Liters (11.9 gal). p. 73
What is the correct engine rocker valve clearance on the Manitou TMT55 HT/XT 4W?
The clearance for both the inlet and exhaust rocker valves is 0.20 mm (0.787 in) when cold. p. 51
How will I receive this Manitou TMT55 HT Operator Manual?
Instant PDF download. You get the full 105-page searchable Operator Manual immediately after payment. Open it on your laptop, tablet, or phone right in the shop.
Am I free to print this Manitou TMT55 HT Operator Manual?
Yes. Print a chapter or just the pages for the job at hand, for use in your own shop. Any home or office printer works.
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