Part of the Kubota Repair Manuals.
This is the Kubota LA534A-AU front loader workshop manual, publication 9Y111-11440, a 69-page PDF with a full text layer. It covers the LA534A-AU loader that mounts to compact Kubota tractors such as the B2650, taking you from loader identification and lubricants through the control valve, the optional 3rd function valve, and the spill guard system.
The Servicing section carries the material you actually turn a wrench with: troubleshooting charts, servicing specifications, tightening torques, and step-by-step removal of the loader from the tractor. You get boom and bucket cylinder torque figures, pin and bore clearances, and hydraulic fitting torques so a repair can be checked against factory numbers.
Buyers get an instant PDF download that reads on a phone, tablet, or shop computer and prints clean for the bench, whether you are diagnosing a hydraulic fault or reassembling a cylinder.
What's Inside This Manual
| System | Pages | Key Topics |
|---|---|---|
| Information | 3-12 | |
| General | 13-22 | Loader Identification, Lubricants, Tightening Torques (Stud Bolts, American Standard Screws, Bolts and Nuts with Unc or Unf Threads, Plugs, Hydraulic Fittings) |
| Mechanism | 23-42 | Control Valve, 3rd. Function Valve (Hydraulic Circuit, Solenoid Valve Operation, Electrical Diagram) |
| Servicing | 43-69 | 3rd. Function Solenoid Valve, Spill Guard Linkage, Bucket, Boom, Hydraulic Cylinder, Boom Lock, Side Frame, Front Guard |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Main frame mounting bolt (M14) torque | 150 N·m | p. 55 |
| Main frame mounting bolt (M12) torque | 80 N·m | p. 55 |
| Front guard mounting bolt and nut torque | 147 N·m | p. 55 |
| Boom cylinder head mounting torque | 200 to 230 N·m | p. 55 |
| Pin 1 to Bucket Cylinder and Boom Cylinder Holes clearance | 0.1 to 0.4 mm | p. 54 |
| Pin 2 to Boom Cylinder Holes clearance | 0.1 to 0.4 mm | p. 54 |
| Spill guard valve mounting screw (M8) torque | 24 to 27 N·m | p. 55 |
| 3rd. Function Solenoid Valve resistance (1 Terminal - 2 Terminal) | Approx. 4.8 Ω | p. 58 |
| Hose fitting, Flare nut (UNF) 9/16 torque | 22 to 25 N·m | p. 19 |
| Hose fitting, Flare nut (UNF) 3/4 torque | 36 to 40 N·m | p. 19 |
| ON - OFF Switch resistance (RB terminal - YR terminal, ON position) | 0 Ω | p. 59 |
| ON - OFF Switch resistance (RB terminal - YR terminal, OFF position) | Infinity | p. 59 |
