Engine and cooling, axles, brakes, telescopic boom, hydraulics, hydrostatic transmission, electrics and cab air conditioning: Manitou repair manual 0-1-M120 EN works through each system end to end in 843 pages, covering the Manitou MLT 845 H Turbo LSU Série 2-E2 lift truck and the MT Série 2-E2 family up to the MT 1745 HSL Turbo Ultra, seven variants in all. Hydraulics take the largest share, close to a third of the book, with the distributor taken down piece by piece. Electricity runs nearly as long, and the boom chapter strips your jib and rebuilds it. Gauge the main pump against its 470 bar working pressure, and clean the MLT 845 dry air cartridge every 50 hours. Nothing stalls a job like one missing figure with the distributor in pieces. Bookmarks and a text layer take you straight to the chapter, and every page prints cleanly enough to go to the bench and soak up hydraulic oil.
What's Inside This Manitou MLT 845, MT 1235–1745 Repair Manual
| System | Pages | Key Topics |
|---|---|---|
| General Instructions and Safety Notice | 1-8 | Safety Notices |
| Engine | 9-75 | I.C. Engine, Engine Cooling System |
| Axle Assembly - Axle | 76-127 | Axle Assembly |
| Brake | 128-137 | Brake System Operation |
| Telescopic Boom | 138-271 | Jib Disassembly |
| Hydraulic | 272-517 | Distributor Disassembly |
| Transmission | 518-561 | Hydrostatic Transmission |
| Electricity | 562-803 | Electric Diagrams |
| Driver Cab | 804-843 | Air Conditioning |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Hydraulic pump capacity | 63 cm3 | p. 11 |
| Battery capacity | 12 V - 110 Ah - 750 A EN | p. 10 |
| Air cleaner | Dry 3 µ | p. 14 |
| Main pump working pressure | 470 Bar | p. 14 |
| Dry air filter cartridge clean interval | 50 H | p. 50 |
| Tightening torque for plate assembly nut | 92.6 N.m ± 25 % | p. 173 |
| Clearance for all plates | 0 to 0.5 mm | p. 173 |
| Engine Oil Capacity | 11 Liters | p. 59 |
| Cooling Circuit Capacity | 21 Liters | p. 59 |
| Fuel Tank Capacity | 135 Liters | p. 59 |
| Hydraulic Oil Tank Capacity | 126 Liters | p. 59 |
| Gear Box Oil Capacity | 2 Liters | p. 59 |
Manitou MLT 845, MT 1235–1745 Common Problems This Manual Covers
Manitou Série 2-E2 A4 VG hydrostatic pump boost pressure low during cranking or at idle
Test boost pressure at the A4 VG pump following page 545. Expect 14 bar while cranking and 24 bar at idle. Confirm engine idle sits at 750 to 850 rpm on page 548 before you trust the reading. If boost still reads low, inspect the boost pump before you condemn the main pump.
Manual Section: Hydraulic Pump A4 VG 71-180 Troubleshooting p. 545A4 VG pump start of regulation coming in at the wrong engine speed
Set engine idle to 750 to 850 rpm, then measure the engine speed where pump regulation begins following page 548. Regulation should start at 1050 to 1100 rpm. If it comes in early or late, check swashplate position and end of regulation using the A4 VG troubleshooting steps before you adjust anything.
Manual Section: Hydraulic Pump A4 VG 71-180 Troubleshooting p. 548SX 14 hydraulic distributor showing lack of power, lack of speed, stiff turning and no simultaneity
Check the symptom against the SX 14 distributor trouble-shooting chart on page 278 and work through its causes in order. Inspect the distributor for external oil leaks at the same time. Rule out the engine first, because the engine troubleshooting chart lists the same lack of power and lack of speed symptoms.
Manual Section: Hydraulic Distributor SX 14 TroubleshootingTelescopic boom plates worn with clearance between boom sections out of spec
Measure the clearance at every boom plate following page 173 and adjust each one to 0 to 0.5 mm. Torque the plate assembly nuts to 92.6 N.m ±25 % after adjustment. Recheck all plates with the boom both extended and retracted before the machine goes back to work.
Manual Section: Telescopic Boom p. 173Longitudinal stability alarm reading wrong, out of calibration, or showing a strain gauge electrical fault
Inspect the strain gauge wiring and connections first, following the electrical inspection steps in the longitudinal stability alarm troubleshooting. Then reset and calibrate the alarm using the setting procedure. Never put the machine on a load with the alarm uncalibrated, because this alarm is what warns you before the truck tips forward.
Manual Section: Longitudinal Stability Alarm TroubleshootingDriver cab heating and air conditioning not reaching or holding correct outlet temperature
Check heating and air conditioning temperatures following the heating check and air-conditioning check on page 823. Compare your readings against the values listed there and work through the causes the chart gives for each condition. Test heating and cooling separately so you know which circuit is at fault before you order parts.
Manual Section: Air Conditioning TroubleshootingFrequently Asked Questions
What is the procedure to reset the Manitou MT 1235 HS Turbo error codes?
To reset error codes, use the BB-3 calibrator. Open the 'F2 DIAGNOSTIC MENU' (page 745 or 786). Select '3_ Delete Faults' and press 'ENTER' to clear the problem history. p. 745
What is the torque specification for the M14 bolts on the Manitou MT 1745 HSL Turbo?
The tightening torque for M14 bolts depends on the class. For class 8.8, it is 121 Nm; for class 10.9, it is 178 Nm; and for class 12.9, it is 209 Nm. p. 86
How often should the I.C. engine oil filter be changed on the MLT 845 H Turbo LSU?
The I.C. engine oil filter (Part number 476954) should be changed every 500 hours of operation. p. 55
What is the capacity of the hydraulic oil tank for the MT 1235 HS Turbo?
The hydraulic oil tank capacity for the MT 1235 HS Turbo is 126 Liters. p. 62
What is the tightening torque for the tie rod nuts on the MLT 845 H Turbo LSU?
The tightening torque for the tie rod nuts on the outlet member is 42 Nm. p. 287
Will this Manitou MLT 845 H Turbo LSU Série 2-E2 manual download right away?
Instant PDF download. You get the full 843-page searchable Repair Manual immediately after payment. Open it on your laptop, tablet, or phone right in the shop.
Am I able to print pages from this Manitou manual?
Yes. Many mechanics print the section they need for their own shop and bring it to the bench.
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