Komatsu AX50 & BX50 Series FG10/15/18-20, FG15H/18H-20, FD10/15/18-20 Forklift Service Manual (P/N BEB16E1-07)

Get your lift truck back on the shop floor fast with this complete PDF technical reference. Covering the entire 2006 Komatsu AX50 and BX50 Series, this 366-page manual delivers the exact factory data required for heavy-duty tear-downs, scheduled maintenance, complex repair, and in-depth troubleshooting.

• Capacity Coverage: 1.0–3.5 ton lift variants
• Engine Specs: Nissan K15, K21, and K25 (Gasoline); Komatsu 4D92E, 4D94LE, and 4D98E (Diesel)
• Covered Assemblies: Torqflow transmission cases, differential cases, steering axles, power steering, wheel brakes, lift cylinders, and tilt cylinders.
• Advanced Shop Procedures: Power line alignments, hydraulic drift measurements, hydraulic piping decompression, fuel injection timing adjustments, valve clearance adjustments, engine compression testing, brake air bleeding, and clutch disc replacements.
• Visual Reference: Over 80 exploded-view assembly diagrams, wiring diagrams, periodic replacement charts, transmission cross-section views, power line alignment drawings, ignition timing schematics, and hydraulic drift measurement views alongside specialized tightening torque tables.
• Official Document: Publication BEB16E1-07 (Published September 2006)

Systems Walkthrough & Shop Floor Benefits

This service manual cuts straight to the OEM baseline data, allowing your facility to keep expensive maintenance tasks in-house rather than outsourcing to a dealership. It kicks off with comprehensive load capacity charts and precise chassis weight tables for all configurations. From there, you get direct access to testing and adjustment parameters, as well as the maintenance standard for every component. Dialing in a Nissan gas engine? Setting up diesel fuel system timing? Or maybe you need the exact pressure settings for the hydraulic system? It is all documented right here. By providing the exact step-by-step methods needed for safely decompressing high-pressure hydraulic lines and accurately measuring hydraulic drift, this manual eliminates trial-and-error parts swapping.

The 12 detailed chapters break down complete disassembly and assembly, along with removal and installation sequences for the power line, mast assemblies, and drive axles. Technicians will appreciate the hard numbers provided for setting the wheel brake system, clutch and inching pedals, and steering geometry. When tackling deeper drivetrain work, you will find the required standard alignment procedures for the transmission and differential. Utilizing the factory-specified jig dimensions (such as the 115 mm AX and 70 mm BX measurements) ensures your lift truck operates exactly as the factory intended, directly improving your shop's diagnostic efficiency.

Specification Previews

This manual documents critical operational baselines across all engine options. For example, diesel cylinder head bolts require a two-stage assembly sequence resulting in a final torque of 117.6 Nm. On the gasoline side, engine tables strictly specify intake and exhaust valve clearance at 0.38 mm. Working on a 2.0–3.0 ton diesel unit? Expect a cooling system capacity of exactly 9.2 liters. Use these exact OEM benchmarks to ensure all hydraulic, electrical, and drivetrain components are properly maintained.

Servicing heavy material handling equipment involves high-pressure hydraulic systems and substantial loads. Always prioritize shop safety and thoroughly review the specific load guidelines, blocking methods, and pressure-relieving procedures detailed in this documentation before performing any mechanical maintenance.