Kioti Daedong DK35/DK40 Tractors OEM Service & Repair Manual
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BRAKE 3-97 MODEL: DK450L • For the left and right running brake, an independent mechanical wet disc brake is used and operated through brake pedal by mechanical linkage. • It enables the parking brake when parking. If brake pedal is locked with the parking brake lever pulled up, it keeps the brakes locked. (1) Brake Case (2) Brake Cam Lever (3) Brake Rod (4) Brake Lever (5) Turn Buckle 5. BRAKE 5.1 STRUCTURE (6) Brake Pedal (7) Parking Brake Lever • Brake disc of wet disc type soaked in oil has more durability and braking force than an inside expand- able dry brake type. MODEL: DK35, DK40 643W601A
BRAKE 3-98 643W603A 5.2 OPERATION (1) Cam Plate (3) Brake Plate (2) Brake Disc (4) Brake Case (5) Ball (7) Brake Cam (6) Gear Shaft (8) Brake Cam Lever MODEL: DK35, DK40 MODEL: DK450L Operational Principle If depressing brake pedal, brake cam lever (8) will be moved in the arrow direction by linkage as shown in the above figure. The cam plate (1) is rotated in the direction of the arrow and raised above ball (5) and brake disc (2) when it is applied with pressure. As brake disc is pressurized by the cam plate it grips the gear shaft (6) by friction force of the disc, then the brakes will be applied.
BRAKE 3-99 5.4 MAINTENANCE SPECIFICATION - - - 0.3 mm (0.012 in.) 0.3 mm (0.012 in.) 20.5 mm (0.8071 in.) 4.2 mm (0.165 in.) 2.10 mm (0.0433 in.) 25 ~ 35 mm (0.98 ~ 1.38 in.) 5 mm (0.197 in.) 0 ~ 1 mm (1 ~ 0.039 in.) 0.085 ~ 0.327 mm (0.00335 ~ 0.01287 in.) 20.060 ~ 20.281 mm (0.78976 ~ 0.79846 in.) 19.957 ~ 19.975 mm (0.78559 ~ 0.78642 in.) 0.3 mm (0.012 in.) 20.9 ~ 21.1 mm (0.8228 ~ 0.8307 in.) 4.6 ~ 4.8 mm (0.181 ~ 0.189 in.) 2.54 ~ 2.66 mm (0.1000 ~ 0.1047 in.) Clearance Deviation Clearance Clearance I.D O.D Flatness Height Thickness Thickness Brake pedal Difference between left and right when not depressing brake pedal Brake pedal and stop switch Between brake lever bush and brake shaft Brake lever bush Brake shaft Cam plate Cam plate and ball Brake disc Plate Item Reference Value Allowable Limit 5.5 TIGHTENING TORQUE 36.2 ~ 43.4 17.4 ~ 20.2 Stud. Lever shaft, bolt Item lbf·ft 5.0 ~ 6.0 2.4 ~ 2.8 Kgf·m 49.0 ~ 58.8 23.6 ~ 27.4 N·m Spec M18 M8 Adjust Replace Replace Adjust Replace Replace Replace Adjust Replace Replace Replace Change • Brake pedal clearance is not constant • Brake disc is worn • Cam clutch is bent • Brake pedal clearance is too small • Cam plate ball is worn unequally • Brake pedal return spring is worn or broken • Brake cam is corroded (rust) • Brake pedal clearance is excessive • Brake disc is worn • Cam plate is bent • Brake cam or lever is worn • Transmission oil is improper Brake power is not constant Brake is trailed Brake power is weaken Trouble Probable Cause Remark Remedy 5.3 TROUBLESHOOTING - - -
BRAKE 3-100 643W605A A. DISASSEMBLY, MAINTENANCE [CHECK AND ADJUSTMENT] a. First Stage (Clearance Adjustment of Brake Pedal) 1. Disengage the brake pedal connection hook (1) and measure the clearance of left and right pedals. 2. If the clearance of left and right pedals exceeds the specified limit, loosen lock nut (2) and adjust clear- ance using a turn buckle (3). 3. If setting clearance of pedal, tighten firmly with lock nut. IMPORTANT: • Clearance of pedal should be equal in left and right. Sect. Specified Clearance of brake pedal (A) 25 ~ 35 mm 0.98 ~ 1.38 in. Sect. Specified Gap between left and right when depressing brake pedal Within 5 mm Within 0.197 in. (1) Connection Hook (3) Turn Buckle (2) Lock Nut 5.6 BRAKE PEDAL
BRAKE 3-101 643W606A 1. Check the clearance between brake pedal (1) and stop switch (2) and if it exceeds the specified limit, loosen the lock nut (3) and readjust. Sect. Specified Clearance between brake pedal and stop switch (B) 0 ~ 1 mm 0 ~ 0.039 in. (1) Brake Pedal (3) Lock Nut (2) Stop Switch B. MAINTENANCE Check the clearance between brake lever bush and brake shaft 1. Measure I.D. of brake lever bush. 2. Measure O.D. of brake shaft. 3. Calculate the clearance with the measured value. If exceeding the allowable limit, replace bush. Sect. Specified Allowable Limit Clearance between brake lever bush and brake shaft I.D. of brake lever bush O.D. of brake shaft 0.085 ~ 0.327 mm (0.00335 ~ 0.01287 in.) 20.060 ~ 20.281 mm (0.78976 ~ 0.79846 in.) 19.954 ~ 19.975 mm (0.78559 ~ 0.78642 in.) b. Second Stage (Gap Adjustment of Stop Switch) 643W607A (1) Brake Lever Bush (2) Brake Shaft - - -
The Kioti Daedong DK35/DK40 Tractors Service & Repair Manual is a comprehensive technical guide designed to assist with the maintenance and repair of these tractor models.
It provides detailed instructions and precise specifications for accurate maintenance and effective troubleshooting.
The manual includes step-by-step procedures for routine maintenance tasks such as oil changes, filter replacements, and hydraulic system checks.
It also covers more complex repairs, including engine diagnostics, transmission servicing, and electrical system troubleshooting.
Detailed diagrams and illustrations aid in the identification and repair of components, ensuring each task is performed correctly and efficiently.
It is ideal for professional technicians and experienced DIY enthusiasts, delivering essential technical information to keep your Kioti Daedong DK35/DK40 tractors running smoothly.
Following the detailed guidance provided can ensure long-term reliability and optimal performance, maximizing the operational lifespan of your tractors.
Printable: Yes
Language: English
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Kioti Daedong DK35/DK40 Tractors OEM Service & Repair Manual