Taking the Manitou M-X 30-2/4, 50-2/4 and 70-2 telehandler apart one system at a time, this 181-page repair manual PDF (Manitou reference 647435EN) runs from engine and transmission through axle, brake, mast, hydraulics and electrics. Transmission work fills close to a third of the book, with schematic diagrams, component locations and control and adjustment checks, while the hydraulic chapter maps circuit routing on its own schematics and lists the specific tooling you will need. Electrical schematic diagrams close out the manual, tracing harness circuits and pinning down component locations so you can find a switch before pulling a panel. Set forward and reverse clutch pressure at 14,5 ± 1 bar, and confirm converter inlet pressure reads 6,5 ± 1 bar before condemning the gearbox. A made-up clutch pressure cooks packs. Bookmarks and a live text layer put the brake or mast chapter two clicks away, so download your copy and keep the right numbers on the bench.
What's Inside This Manitou M-X 30-2/4, M-X 50-2/4, M-X 70-2 Repair Manual
| System | Pages | Key Topics |
|---|---|---|
| General Instructions and Safety Notice | 1-19 | Preamble, Servicing Position, Servicing Rules |
| Engine | 20-31 | Engine Components Location, Engine Control and Adjustment |
| Transmission | 32-85 | Transmission Schematic Diagrams, Transmission Components Location, Transmission Control and Adjustment |
| Axle Assembly - Axle | 86-93 | Axle Control and Adjustment |
| Brake | 94-107 | Brake Control and Adjustment, Specific Brake Tooling |
| Mast | 108-127 | Mast Control and Adjustment |
| Hydraulic | 128-155 | Hydraulic Schematic Diagrams, Hydraulic Components Location, Hydraulic Control and Adjustment, Hydraulic Specific Tooling |
| Electricity | 156-181 | Electrical Schematic Diagrams, Electrical Components Location |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| All Models | ||
| Filter rating | 200 μ | p. 39 |
| Pump pressure | 14,5 ± 1 bar | p. 46 |
| Forward Gear clutch pressure | 14,5 ± 1 bar | p. 46 |
| 4th gear locking resistance | 1 kOhm/1 Watt | p. 74 |
| F1 Stalk switch supply | 15 A | p. 161 |
| Main pressure (Transmission) | 16 to 19 bar | p. 59 |
| Converter pressure (Transmission) | 4 to 8 bar | p. 59 |
| M-X 30-2 | ||
| Rear axle tightening torque C | 34 daN.m ± 15% | p. 90 |
| Rear axle tightening torque E | 34,1 daN.m ± 20% | p. 90 |
| M-X 30-2/4 | ||
| Engine M-X 30-2/4 10 micron return filter | 10 micron | p. 133 |
| Accumulator pressure (M-X 30-2/4) | 100 bar | p. 150 |
| M-X 50-2/4 | ||
| Accumulator pressure (M-X 50-2/4) | 120 bar | p. 150 |
Manitou M-X 30-2/4, M-X 50-2/4, M-X 70-2 Common Problems This Manual Covers
Manitou M-X 30-2/4, 50-2/4, 70-2 powershift gearbox main pressure reading low at transmission pressure test ports
Connect gauges to the pressure test ports and bring the gear box oil to 82 to 104°C before taking readings. Check main pressure against 16 to 19 bar on page 59, never below 13 bar, and converter pressure at 4 to 8 bar. If main pressure is low, inspect the pressure regulator and torque it to 82-88 Nm per page 52.
Manual Section: Transmission Control and Adjustment p. 59Transmission cut-off module operation erratic with clutch pressure fluctuating at the test ports
Check the cut-off module circuit against the schematic diagram and operation flow chart in the Transmission Cut-off Module section, working through each step in sequence. Then measure clutch pressure at the test ports with the oil at operating temperature, and confirm the variation stays within 0.35 bar per page 59.
Manual Section: Transmission Cut-off ModuleEGS shuttle lever not selecting forward or reverse, or 4th gear not locking out
Test the EGS shuttle lever through its test modes in order: wiring test first, then the speed sensor test, input test and output test, so you are not mistaking a broken wire for a bad lever. For the 4th gear lock, check the 1 kOhm/1 Watt locking resistance on page 74 before you condemn the shuttle lever.
Manual Section: EGS Shuttle Lever Diagnostics p. 74Parking brake not holding with excessive play in the parking brake cable
Adjust the parking brake using the parking brake adjustment procedure on page 98, setting cable play to 1.5 mm. While you are under there, check the cable for fraying or binding, because a damaged cable will not hold its adjustment. Verify the brake holds before you return the machine to work.
Manual Section: Brake Control and Adjustment p. 98Brake pedal and inching pedal clearance out of spec with uneven pedal feel
Measure pedal clearance before you touch anything else in the brake system. On the M-X 70-2, adjust brake pedal clearance to 8 to 9 mm and inching pedal clearance to 2 to 3 mm following page 101. Verify the setting against the service brake diagram, then road test before releasing the machine.
Manual Section: Brake Control and Adjustment p. 101Engine alternator belt slipping or squealing under load with belt tension below specification
Check belt tension by frequency, not by thumb feel. The reading should be 105.8 Hz ± 1.5 Hz as shown on page 30. Adjust the alternator position to bring the tension into range, then inspect the belt for glazing or wear. Recheck tension after a short run, once the belt has seated.
Manual Section: Engine Control and Adjustment p. 30Frequently Asked Questions
What are the torque specifications for the silent block on the M-X 30-2/4 and M-X 50-2/4?
The tightening torque for the silent block on the M-X 30-2/4 and M-X 50-2/4 is 11 DaN.m ± 1 DaN.m for the B bolts and 6.58 DaN.m for the A bolts. p. 27
What is the engine belt tension specification for the Manitou M-X 30-2/4, M-X 50-2/4, M-X 70-2?
The belt tension for the engine is 310 N ± 10 N, which corresponds to a frequency of 105.8 Hz ± 1.5 Hz. p. 30
What are the gear box pressure test port values for the Manitou M-X 30-2/4, M-X 50-2/4, M-X 70-2?
The gear box pressure test port values are: P1 (Pump pressure) 14.5 ± 1 bar, P2 (Forward Gear clutch pressure) 14.5 ± 1 bar, P3 (Reverse Gear clutch pressure) 14.5 ± 1 bar, P4 (Inlet pressure converter) 6.5 ± 1 bar, P5 (4WD pressure) 14.5 ± 1 bar, and P6 (Lubrication pressure) 1.5 ± 1 bar. p. 46
What is the tightening torque for the four component distributor on the Manitou M-X 30-2/4, M-X 50-2/4, M-X 70-2?
The nut tightening torque for the four component distributor is 28 ± 1.4 N.m (20 ± 1 FT-LBS). p. 149
What is the accumulator pressure for the M-X 30-2/4 and M-X 50-2/4?
The accumulator pressure (ex works) is 100 bar for the M-X 30-2/4 and 120 bar for the M-X 50-2/4. p. 150
How will I receive this Manitou M-X 30-2 Repair Manual?
You download the Repair Manual yourself: 181 pages, searchable PDF, available immediately. Keep a copy on every device you use.
Can I print just the pages I need from this Manitou M-X 30-2 manual?
Yes. It prints from any PDF reader, so run off the pages you need for your own repair work.
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