Need factory-level procedures for your Mustang AL 106, AL206, or AL306 Articulated Loader? This 360-page OEM Service Manual (Part #918360/BP1211) was built for the job. It carries series-specific hydraulic schematics for the full hydrostatic drive and work circuits, plus wiring diagrams split out by AL100, AL200, and AL300 series for both standard and deluxe steering columns. It also walks through step-by-step procedures: engine removal, axle teardown, cylinder rebuild, and pump replacement, backed by troubleshooting flow charts that trace lift, tilt, steering, and drive hydraulics by serial number range. Torque your AL300 axle mounting bolts to 410 N•m (302 lb.-ft), and change engine oil after the first 50 hours, then every 250 hours after that. Your machine is down. Get the right numbers, not forum guesses. Everything is bookmarked and keyword-searchable, so it opens on any device and you start wrenching.
What's Inside This Mustang AL 106, AL206, AL306 Manual
| System | Pages | Key Topics |
|---|---|---|
| Safety | 12-19 | - |
| Maintenance | 32-61 | Maintenance Schedule, Check, Clean and Inspect, Leakage Check, Lubrication and Filter Changes, Functional Check |
| Operation | 62-73 | Operation Safety (Chapter 5, Operation), Controls and Switches, Instrument Panel and Indicators |
| Chassis | 74-109 | Tilting the Platform (AL100 Series Platform Tilting, Chapter 6, AL200 and 300 Series Platform Tilting) |
| Engine | 110-147 | Engine Removal, Engine Installation, Drive Coupling Removal, Drive Coupling Installation, Starter Removal, Starter Installation |
| Cooling System | 148-159 | Radiator/Oil Cooler Removal (AL100 Series Radiator/Oil Cooler Removal, Chapter 8, AL200 and 300 Series Radiator/Oil Cooler Removal) |
| Axles | 160-181 | Service Brake Adjustment (Al 100/200 Series Service Brake Adjustment, Al 300 Series Service Brake Adjustment, Chapter 9, Service Brake Troubleshooting – Al 300 Series) |
| Hydraulics | 182-307 | Work Hydraulics Troubleshooting (Chapter 10, Hydraulics), Hydrostatic Drive System |
| Electrical System | 308-341 | Battery Removal, Battery Installation, Machine Controller (LED/Indicator Assignments, Logic), AL100 Series Complete Electrical Schematic – with Standard Steering Column |
| Troubleshooting | 342-351 | Indicator Lamps / Seals and Hoses, Hydraulic System (Problem, Possible Cause, Corrective Action), Hydrostatic Drive System (Problem |
| Torque Specifications | 356-359 | Hydraulic Fittings with Various Seals (Thread, Straight Pipe Fitting with Thread and Screwed Plug, Non-Return Valve with Elastic Seal, Identification Aid Outside Ø) |
| Back Cover | 360 | Mustang, Manitou Americas, Inc, P.O. Box 179, West Bend, 53095-0179 Usa, Www.Mustangmfg.Com, © 2011 All Right Reserved |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| AL 100 Series, AL 200 Series | ||
| Wheel Fastener Torque | 165 N•m (122 lbf-ft) | p. 19 |
| All Models | ||
| Hydraulic fittings torque (M12X1.5, light application, elastic seal/O-ring) | 18 (25) lb.-ft. (Nm) | p. 356 |
| Hydraulic Fluid and Return Filter Replacement Interval | 500 Hours (or annually) | p. 34 |
| Engine Oil/Filter Replacement Interval | After first 50 hours; every 250 hours thereafter. | p. 34 |
| Air Filter Replacement Condition | Replace filter if necessary (indicator turns red); inner element every third time outer element is replaced. | p. 28 |
| Fuel Filter Replacement Interval | 500 Hours (or annually) | p. 34 |
| V-belt Deflection | no more than 8 mm (5/16") | p. 42 |
| Battery Capacity | 850 CCA – 74 Ah | p. 19 |
| Coolant System Hoses Inspection Interval | Monthly | p. 33 |
| AL300 Series | ||
| Axle Mounting Bolts Torque | 302 lb.-ft (410 N•m) | p. 171 |
| AL 100 Series | ||
| Diesel Engine Oil Capacity | 4.4 L (4.6 qts.) | p. 20 |
| AL 200 Series | ||
| Diesel Engine Oil Capacity | 6.7 L (7.2 qts.) | p. 20 |
Mustang AL 106, AL206, AL306 Common Problems This Manual Covers
Mustang AL 106 articulated loader lift arms raise slowly and hydraulic functions stop under heavy load p. 182
Test the work system pressure using the procedures on page 235. Verify the main relief valve reaches exactly 207 bar ±7 (3000 psi ±100 psi). Inspect the return filter and replace it at once if the system has passed the 500-hour interval noted on page 34.
Manual Section: Work Hydraulics TroubleshootingEngine temperature gauge spikes quickly and coolant boils over during continuous operation on steep inclines p. 342
Check the water pump drive belt tension on page 42, adjusting it to allow no more than 8 mm (5/16") deflection. Drain the radiator and refill with 5.3 L (5.6 qts.) of fresh coolant as specified on page 20 before you test the machine.
Manual Section: Engine TroubleshootingStarter cranks the engine over rapidly but engine refuses to fire or runs erratically in cold weather p. 342
Prime the diesel fuel system to clear air from the delivery lines. Confirm the AL 100 Series tank holds at least 26 L (7.0 gal.) of winter-blend diesel as shown on page 21. Read the indicator lamps on page 342 for low fuel pressure warnings.
Manual Section: Engine TroubleshootingClicking noise from the wheels during tight turns and noticeable vibration through the steering column p. 160
Examine the wheel hubs for loose hardware before operating the machine. Torque the AL 100 and AL 200 Series wheel fasteners to 165 N•m (122 lbf-ft) as specified on page 28. Recheck the axle mounting bolts if the vibration persists under heavy load.
Manual Section: AxlesFrequently Asked Questions
What does the warning or error code mean on a Mustang AL106/AL206/AL306?
These machines use plain-language warning indicators, not alphanumeric error codes. On page 68, the "Engine coolant temperature warning" means "Temperature is too hot," and "Engine oil pressure" means "Pressure is too low." The "Instrument Panel and Indicators" section on page 57 lists more, such as "Alternator" ("Alternator not charging") and "Low fuel" ("Fuel level too low"). The light clears once you correct the underlying problem.
What are the torque specs for wheel nuts, axle components, and hydraulic fittings on a Mustang AL106/AL206/AL306?
Torque figures vary by component. Wheel fasteners call for 165 N•m (122 lbf-ft) on the AL100 Series and 319 N•m (235 lbf-ft) on the AL300 Series, both on page 19. On AL300 Series axles, the wheel-hub oil drain/fill plugs and axle center drain/fill plugs tighten to 70 Nm (52 lbf.-ft.) (pages 45-46). Page 356 carries full tables for hydraulic fittings in light and heavy seal applications, sorted by thread size (M10X1.0, G1/8A, and so on).
What are the replacement specifications for hydraulic filters?
Change the hydraulic fluid and return filter after the first 50 hours, then every 500 hours or annually after that. The "Lubrication and Filter Changes" table on page 34 sets this interval, and the "Changing Hydraulic Oil and Filter" section on page 43 confirms it. Part numbers and detailed specs for the filters themselves are not listed in these sections.
What are the replacement specifications for engine oil filter?
Engine oil and filter come due after the first 50 hours, then every 250 hours from there. The "Lubrication and Filter Changes" table on page 34 lists this interval, with the steps spelled out in the "Changing Engine Oil and Filter" section on page 35. Part numbers and detailed specs for the engine oil filter are not given in these sections.
How will I receive this Mustang AL 106, AL206, AL306 Service Manual?
This is a 360-page searchable PDF ready for immediate download. It works on any device, so you can pull it up on your phone while you're under the hood. No shipping, no waiting.
Can I print specific sections of this Mustang AL 106, AL206, AL306 manual?
None at all. The PDF is DRM-free, so print whatever sections you need to take out to the shop. Standard letter or A4 paper works.
Can I find hydraulic circuit diagrams in this Mustang AL 106, AL206, AL306?
Yes. It includes complete hydraulic schematics with flow diagrams, valve configurations, and pressure specifications.
Document Quality
This document is a scanned PDF with an optical character recognition (OCR) layer, so you can search and copy the full text. The text is generally crisp and easy to read, although it has the slightly fuzzy appearance typical of scanned documents. Most diagrams and illustrations are clear raster images with readable labels, but the detailed electrical schematics on pages 307-340 contain very small text that becomes blurry and difficult to read when magnified. The pages are clean with no notable scan artifacts or skewed content, but you will find several blank or filler 'NOTES' pages throughout the document.
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