Kioti built the DK752C and DK902C from one factory service set, and this manual (OEM #DS42-W00) reproduces every page of it, all 819 of them. The hydraulic schematics map full system circuits; the wiring diagrams cover the bonnet, panel, fender, and cabin harnesses. Troubleshooting charts run every major system from engine to air conditioning, backed by exploded views for each assembly and step-by-step procedures for the engine, transmission, rear axle, brakes, front axle, steering, and hydraulics. Torque the rear wheel nuts to 274.5~318.7 Nm; short cylinder head setscrews take 50 Nm, then a further 225 degrees. Every idle hour on these tractors costs money. Bookmarked by system and fully searchable, the PDF opens on your tablet about a minute after download.
What's Inside This Kioti DK752C/DK902C Manual
| System | Pages | Key Topics |
|---|---|---|
| Preface | 3-4 | Important, Note |
| Safety First | 7-20 | For Safety (Alert Symbols) |
| General | 21-46 | Description for Symbols and Abbreviations, Identification Number (Tractor Serial Number Location, Engine Serial Number Location, Transmission Number), Dimensions, Specifications |
| Engine | 47-224 | Specifications (Engine Performance Curve, Engine Specification and Data, Engine Specifications, Cylinder Head, Intake and Exhaust Valves, Dimensions of Recesses for Valve Seat Inserts, Valve Seat Insert Tool, Valve Guides and Valve Springs, Tappets, Rocker Shaft, Rocker Levers, Pistons and Piston Cooling Jets, Piston Rings, Connecting Rods and Big End Bearings, Gudgeon Pins and Small End Bushes, Crankshaft, Crankshaft Overhaul, Main Bearings, Crankshaft Thrust Washers, Timing Case and Drive Assembly, Cylinder Block Assembly, Turbocharger, Lubrication System, Cooling System, Thermostat, Fuel System, Atomiser Service Settings, Flywheel and Housing, Electrical Equipment) |
| Clutch | 225-244 | Specifications (Tightening Torque, Sealant), Operating Principle (Structure and Principle), Troubleshooting |
| Transmission | 245-328 | Specifications and Tightening Torque (Sealant and Adhesive Specifications, Tightening Torques for Major Components) |
| Rear Axle | 329-360 | Specifications and Structure (Transmission Fluid, Tightening Torque), Operating Principle (Power Transfer, Differential System, Differential Lock System) |
| Brake | 361-390 | Operating Principle, Structure Of Brake Pedal And Parking Brake, Brake Operating System, Master Cylinder Assembly, Balance (Equalizer) Valve, Brake Case, Self-Adjustment, Parking Brake |
| Front Axle | 391-446 | Specifications (Servicing Specifications, Tightening Torque for Bolt/Nut) |
| Steering System | 447-476 | Specifications and Tightening Torque (Major Tightening Torques), Operating Principle (Schematic and Circuit Diagram, Steering Cylinder, Components, Steering Unit), Troubleshooting |
| Hydraulic System | 477-568 | Operating Principle, Mounting Location, Hydraulic Schematic, Hydraulic Circuit Diagram, Operating Diagram, Implement Section, Steering Section, Component Description |
| Electric System | 569-696 | Circuit and Component Location (Circuit Diagram, Location of Sensors and Electric Components) |
| Cabin | 697-748 | Cabin Assembly (Exploded View for Exterior or Interior Components, T780A Cabin, T890E Fender, T850E Roof, T860E Sunroof, Floor Mat, Seat, Controls and Mountings, T590A/T585A Cabin Mounting, T700A/T2455A Main Gear Shift Lever, T670A Accelerator/T740A Position/Draft Control Levers, T710A/T505A Double Acting Lever/T360A Joystick Valve, T500A/T2455A Main Gear & Range Shift Levers/T720A PTO Lever, T495A Shuttle Lever/T2456A Shuttle/Pto Levers, Cabin Removal, Front Side of Cabin, Left Side, Rear Side, Right Side, Removal and Installation of Components in Inner Section, Removal and Installation of Components in Cabin Mounting Bolt) |
| Air Conditioning & Heater | 749-806 | Air Conditioner/Heater, Operating Principle, Principle Of Cooling System, System Flow, Cooling Cycle, Refrigerant And Compressor Oil, Compressor, Receiver-Drier |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Cylinder head setscrews (short) | 50 Nm (5.1 kgf-m, 37 lb-ft) + 225° | p. 129 |
| Cylinder head setscrews (long) | 100 Nm (10.0 kgf-m, 74 lb-ft) + 270° | p. 129 |
| Front wheel bolt/nut | 166.7~186.3 Nm (17~19 kgf-m, 122.9~137.4 lb-ft) | p. 40 |
| Rear wheel nut | 274.5~318.7 Nm (28~32.5 kgf-m, 202.5~235.1 lb-ft) | p. 40 |
| Fuel filter element replacement interval | 50 hours after initial operation, and then every 400 hours of operation | p. 193 |
| Air cleaner element cleaning interval | 50, 100, 200, 400, 600, 800, 1500, 3000 hours | p. 35 |
| Air cleaner element replacement interval | Every year or every 5 times of cleaning | p. 36 |
| Clutch disc thickness (when not compressed) | 11 mm (0.4330 in.) | p. 226 |
| Clutch disc thickness (measured) | 10.6 ± 0.3 mm (0.417 ± 0.012 in.) | p. 230 |
| Brake pedal free play | 15~30 mm (0.5 ~ 1.2 in.) | p. 362 |
| Allowable tolerance of free play between LH and RH brake pedals | Below ± 7 mm (± 0.2 in.) | p. 362 |
| Hydraulic filter (filtering area) | 4,100 cm² ±10% | p. 479 |
Kioti DK752C/DK902C Common Problems This Manual Covers
Kioti DK752C/DK902C engine hard to start, cranks slowly, or misfires under load p. 47
Start with the fuel filter; replacement is due at 50 hours initially, then every 400 hours (page 193). Inspect fuel line fittings for air leaks and bleed the system. If the engine cranks but won't fire, measure inlet valve clearance cold: spec is 0.20 mm (page 58). Confirm the air cleaner is clean and not collapsed before condemning the injection pump.
Manual Section: 02- EngineHydraulic three-point lift raises slowly, won't hold position, or drops under load p. 477
Check the hydraulic filter and replace it on the 400-hour interval listed on page 486. Verify the transmission case oil level; capacity is 19.55 U.S.gal. (74l). Inspect all O-rings: replace any damaged ones and apply grease before seating (page 550). If the lift still drops under load, test relief valve pressure and inspect the control valve spool for internal bypassing.
Manual Section: 10- Hydraulic SystemClutch slips or won't fully disengage, gears grind going into range p. 225
Measure clutch pedal free play: spec is 20-30 mm (page 226). If free play is correct but slipping continues, pull the bell housing and measure disc thickness; serviceable minimum is 10.6 ± 0.3 mm (page 230). Torque the release fork mounting bolt to 166.7-186.3 Nm on reassembly. If grinding persists after adjustment, inspect the transmission for low or contaminated fluid.
Manual Section: 03- ClutchBrakes feel spongy, pull to one side, or pedals need excessive travel p. 361
Set brake pedal free play to 15-30 mm on each side (page 362). Check left-to-right free-play difference: allowable tolerance is ±7 mm. If free play is in spec but stopping power is weak, remove the brake discs and measure thickness; spec is 4.6-4.8 mm. Replace any disc below minimum and inspect braking surfaces for oil contamination before reassembly.
Manual Section: 07- BrakeSteering wanders, returns hard, or front end has noticeable looseness and play p. 447
Inspect steering linkage rod ends and kingpin bushings for play; looseness here causes wander. Check hydraulic fluid level and inspect the steering cylinder for external leaks. Verify front tire pressure is 2.4 kg/cm² (page 38). If steering stays heavy with fluid in spec, the steering unit likely has internal bypass; trace circuit pressure using the hydraulic schematic.
Manual Section: 09- Steering SystemEngine won't crank, starts then shuts down unexpectedly, or gauges go dead p. 569
Test battery open-circuit voltage: healthy range is 12.0-12.8V (page 575). Cold-weather no-starts usually point to a battery below 630 A cold-cranking capacity (page 571); load-test before condemning the alternator. Clean and retorque all ground connections. If the engine cranks but shuts down, trace the fuel shutoff solenoid circuit and key switch signal using the wiring diagram.
Manual Section: 11- Electric SystemFrequently Asked Questions
How do I reset the PTO or hydraulic system on a Kioti DK752C/DK902C?
The manual does not describe a direct "reset" procedure for the PTO or hydraulic system. Instead, it provides troubleshooting guides for specific malfunctions. For example, if the PTO shaft does not rotate when activated, the manual suggests checking components like the snap ring, modulator valve, solenoid valve, and O-ring, with solutions typically involving replacement or reassembly (page 4-14, PDF page 258). Similarly, hydraulic system troubleshooting involves diagnosing symptoms like "Not lifting 3-point hitch" and addressing causes such as insufficient fluid, clogged filters, or defective valves (page 10-30, PDF page 506).
What does error code mean on a DK752C/DK902C tractor?
There is no master list of numerical error codes for the DK752C/DK902C. For the Air Conditioning & Heater system, though, the manual describes a "Self-diagnosis function of A/C controller" where specific indicators blink to flag a faulty part. If "Mode actuator -1" is faulty, for example, its indicator blinks twice at 0.5-second intervals (page 13-27, PDF page 775). Other troubleshooting sections list symptoms with their possible causes and fixes rather than coded numbers.
What are the torque specs for head bolts / wheel bolts / injector parts on a DK752C/DK902C?
For head bolts, tighten cylinder head setscrews to an initial torque of 50 Nm (5.1 kgf-m, 37 lb-ft), then to 100 Nm (10.0 kgf-m, 74 lb-ft), followed by a further turn of 225° for short setscrews and 270° for long setscrews (page 2-83, PDF page 61). Rear wheel mounting nuts (M18) should be torqued to 274.5~318.7 Nm (28.0~32.5 kgf-m), and front wheel bolts & nuts to 196.1~225.5 Nm (20.0~23.0 kgf-m) (page 6-2, PDF page 330; page 8-4, PDF page 394). Atomiser clamps (M8) require 35.0 Nm (3.5 kgf-m, 26.0 lb-ft), and high-pressure fuel pipe nuts (M12) require 30.0 Nm (3.0 kgf-m, 22.0 lb-ft) (page 2-26, PDF page 72).
How do I bleed the fuel system on a Kioti DK902C?
To bleed the fuel system, first remove the atomiser cover and then turn the start key to the RUN position for three minutes. Next, loosen the high-pressure pipes at the atomisers and operate the starter motor until fuel free from air comes from the connections. Finally, tighten the connections to 30 Nm (3.0 kgf-m, 22 lb-ft), start the engine, check for leaks, and refit the atomiser cover (page 2-152, PDF page 61).
Is this Kioti DK752C/DK902C Workshop Manual a digital download?
Yes, it's an instant PDF download. The full 819-page searchable Workshop Manual lands in your account the moment payment clears, ready to open on a laptop, tablet, or phone right in the shop.
Are there any print restrictions on this Kioti DK752C/DK902C manual?
None at all. The PDF ships DRM-free, so you can print whatever sections you need for the shop on standard letter or A4 paper.
Does this Kioti DK752C/DK902C Workshop Manual have electrical diagrams?
Yes. Full electrical schematics are included, with wire colors, connector locations, and circuit descriptions.
Document Quality
This document is a scanned PDF with an optical character recognition (OCR) layer, allowing you to search and copy the full text. The text quality is crisp and consistently easy to read throughout. Diagrams and illustrations, while raster-based, are clear with all labels perfectly readable. Pages are clean and well-aligned, free from scan artifacts or marks. Please note that several pages, such as pages 2, 4, 6, 20, and 46, are intentionally blank or marked as 'MEMO' pages.
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