This Kubota LA714AU-C Workshop Manual (OEM #9Y111-07800) runs 60 pages with a single goal: returning your front loader to factory condition. Hydraulic schematics trace the full circuit, the control valve assembly, and the boom and bucket cylinder controls, with separate detail on the optional Third Function Valve, its solenoid operation, and relief valve. Wiring diagrams are included. Twelve pages dig into the hydraulic mechanism; another seven list tightening torques for every fastener on the loader. The troubleshooting section and maintenance checklists at daily, 10-hour, and 50-hour intervals round it out. Maximum hydraulic pressure runs 18.1 MPa. Torque the main frame mounting bolts to 226 N-m, and set flare nut fittings between 22 and 25 N-m. Bookmarked and keyword-searchable, it opens on a phone in the shop so you can find the right spec without flipping paper.
What's Inside This Kubota LA714AU-C Manual
| System | Pages | Key Topics |
|---|---|---|
| Information | 3-14 | - |
| General | 15-25 | Loader Identification, Lubricants |
| Mechanism | 26-43 | Hydraulic Circuit, Control Valve Assembly (Structure, Boom Cylinder Control, Bucket Cylinder Control) |
| Servicing | 44-60 | Relief Valve, Piston Rod, Control Valve, Hydraulic Cylinders, Quick Hitch Frame, Piston Rod Assembly, Cylinder Head, Piston Seal |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Main frame mounting bolt and nut torque | 226 N-m | p. 47 |
| Hose fitting, Flare nut (UNF) 9/16 torque | 22 to 25 N-m | p. 22 |
| Adjustable elbow, Adapter (O-ring port) (UNF) 9/16 torque | 37 to 44 N-m | p. 22 |
| Transmission Case Capacity (4WD HST) | 40.0 L | p. 19 |
| Maximum Hydraulic Pressure | 18.1 MPa | p. 13 |
| Main Relief Valve Setting Pressure | 17.1 to 18.1 MPa | p. 46 |
| Piston Rod Bend Allowable Limit | 0.25 mm | p. 46 |
| Main Frame Mounting Bolt Torque | 226 N-m | p. 25 |
| Boom Cylinder Piston Mounting Nut Torque | 165 to 185 N-m | p. 47 |
| Bucket Cylinder Piston Mounting Nut Torque | 450 to 500 N-m | p. 47 |
| Solenoid Valve Resistance | 4.4 to 5.8 Ω | p. 50 |
| Loader Net Weight (Approximate) | 560 kg | p. 13 |
Kubota LA714AU-C Common Problems This Manual Covers
Kubota LA714AU-C loader will not raise or curl, with no response under heavy load p. 45
Begin with the troubleshooting procedures on page 45 for loader operation faults. Measure the main relief valve setting pressure on page 46; if it reads outside 17.1 to 18.1 MPa, adjust or replace the valve. Confirm the transmission case holds 40.0 L of fluid.
Manual Section: ServicingHydraulic oil leaking around the boom cylinders, hose ends, and quick couplers p. 22
Inspect every hydraulic line and connection for damage. Torque the 9/16 UNF flare nut hose fittings to 22 to 25 N-m per page 22. If leaks continue at the cylinders, replace the seals and tighten the piston mounting nuts to 165 to 185 N-m using page 47.
Manual Section: GeneralFront hydraulic valve switch activates, but the third function attachment won't move p. 50
Test the solenoid valve resistance using the steps on page 50. Place your multimeter across the terminals; a healthy coil reads 4.4 to 5.8 Ω. Out of spec means a failed coil, so replace it. Cross-check the wiring diagram on page 41 for a damaged harness.
Manual Section: ServicingSloppy bucket movement and excessive play at the main frame mounts and linkage pins p. 25
Tighten the main frame mounting bolts to 226 N-m as directed on page 25 after checking the hardware for looseness. Measure the boom cylinder piston rods against the 0.25 mm allowable bend limit. Replace any worn linkage pins or bushings causing excessive clearance.
Manual Section: GeneralFrequently Asked Questions
How do I reset a Kubota LA714AU-C front loader after maintenance?
With the components reassembled, tighten each nipple to the specified torque, then back it off roughly 45 degrees (0.79 rad) and let it stabilize before re-torquing to the specified value. Once that is done, clean the joint and apply the maximum operating pressure two to three times while watching for oil leakage.
What are the torque specs for Kubota LA714AU-C loader mounting bolts?
The main frame mounting bolt and nut torque to 226 N·m (23 kgf·m, 166 lbf·ft). The sub frame mounting bolt and nut take the same figure: 226 N·m (23 kgf·m, 166 lbf·ft).
How do I troubleshoot Kubota LA714AU-C hydraulic problems?
The Troubleshooting section maps each symptom to its fix. A boom that won't rise or moves too slowly usually traces to a faulty control valve, defective boom cylinders, damaged hoses, or low relief valve pressure. Remedies range from repairing or replacing parts and cleaning, to resetting relief valve pressure (17.1 to 18.1 MPa) or topping up transmission fluid.
How do I inspect and service a Kubota LA714AU-C front loader?
Work from the Maintenance Check List: daily, it covers transmission fluid level and hydraulic hoses; every 10 hours, greasing of all fittings; every 50 hours, a main frame bolt torque check (226 N·m). For deeper work, the Checking, Disassembling and Servicing section walks through inspecting and adjusting parts such as the relief valve and 3rd function valve.
What do I get after purchasing this Kubota LA714AU-C manual?
A 60-page Workshop Manual as a searchable PDF, ready the moment your checkout completes. Open it on a computer, tablet, or phone; no shipping to wait on.
Is this Kubota LA714AU-C Workshop Manual printable?
No restrictions at all. Print individual pages, full chapters, or the entire manual. The PDF is completely unlocked.
Are hydraulic system diagrams in this Kubota LA714AU-C Workshop Manual?
Yes. Complete hydraulic schematics with flow diagrams, valve configurations, and pressure specifications are all included.
Document Quality
This document is a scanned PDF, but it includes an OCR layer, so you can search and copy the full text content. The text throughout the manual is crisp and consistently easy to read, with no blurry or faded sections. Diagrams and illustrations, including hydraulic circuits and mechanical components, are clear raster images with all labels perfectly readable. The pages are clean, free of scan artifacts, stains, marks, or skewed content, and there are no notable blank or filler pages.
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