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This complete service repair workshop manual PDF download for the R420S, 520S / R420α, 520α Kubota Wheel Loader has easy-to-read text sections with top quality diagrams, pictures and illustrations. The step by step instructions show you how to fault find or complete any repair or overhaul, correctly and efficiently, saving time and avoiding costly mistakes.
APPLICABLE MODELS :
Kubota R420S, 520S . . . . KTC, KCL, KTA version
Kubota R420α, 520α . . . . EU-version
TABLE OF CONTENTS :
1. General
2. Machine Body & Front Attachment
3. Engine
4. Hydraulic System
5. Brake System and power train
6. Electrical System
MANUAL SPECIFICATION :
File Format : PDF
Language : English
Printable : Yes
Searchable : Yes
Bookmarked : Yes
Code No. : 97899-60801
Total Pages : 352
This (OEM) manual pdf download has detailed illustrations as well as step by step instructions, It is 100 percents complete and intact. they are specifically written for the do-it-yourself-er as well as the experienced mechanic. With step by step instruction & highly detailed exploded pictures & diagrams to show you how to complete the required job correctly & efficiently Using. Provides step-by-step instructions based on the complete dis-assembly of the machine. It is this level of detail, along with hundreds of photos and illustrations, that guide the reader through each service and repair procedure. Complete download comes in pdf format which can work under all PC based windows operating system and Mac also, All pages are printable. Using this repair manual is an inexpensive way to keep your vehicle working properly.
This service repair workshop manual PDF download has been prepared as an aid to improve the quality of repairs by giving the serviceman an accurate understanding of the product and by showing him the correct way to perform repairs and make judgements. Make sure you understand the contents of this manual and use it to full effect at every opportunity. This is a must for the Do-It-Yourselfer! Saving Yourself $$$$$$ In Service Repair And Maintenance Costs !!!!
This service repair workshop manual PDF download contains specs, diagrams, actual real photo illustrations, and schemes. In addition to space savings, nice thing about having completly searcheble PDF files instead of a hard-printed manual is that you can use the Search feature in your PDF reader software (Adobe Acrobat) to find just what your looking for and just print out the exact pages you need or all manual easily. This is the same Repair Service manual your local dealer will use when doing a repair.
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97899-60801
1. General
[1] Body and engine identification marks
[2] Safety precautions for servicing, disassembly and reassembly
(1) Safety measures before starting work
(2) Safety measures during work
(3) Preparation for disassembly
(4) Precautions for disassembly and reassembly
[3] Important safety process and critical functional process
[4] Important inspection items after reassembling
(1) Operate the machine and check for unusual noise and vibrations.
(2) Make sure the safety decals and wireharness clamps are in their specified positions.
(3) With the machine front in a specified posture, check the amount of hydraulic oil.
[5] Service fundamentals
(1) Service intervals
(2) Lubricants
(3) Notices for servicing items
(4) Tightening torque
2. Machine Body & Front Attachment
[1] Specifications
(1) Machine Specifications
(2) Main Specification: EU-version
[2] Installing the frame-related parts (front)
[3] Center pin (important functional component)
[4] Rear frame, center pin
[5] Assembly drawing of the control levers
[6] Installing the control levers
[7] Assembly drawing of accelerator and brake
[8] Installing the brake and inching-related parts
[9] Installing the accelerator-related parts
[10] Installing the seat
[11] Fender
[12] Installing the canopy
[13] Cabin
[14] Heater hose
3. Engine
[1] Specifications
[2] Engine assy dismounting
[3] Engine accessories
(1) Engine rubber mount
(2) Radiator, oil cooler
(3) Air cleaner
(4) Muffler
(5) Fuel hose route (S)
(6) Engine oil drain hose
4. Hydraulic System
[1] Troubleshooting
(1) Hydraulic system does not work
(2) Weak lifting, any circuit
(3) Slow lifting, any circuit
(4) Cylinder Fall
(5) Does not travel in both the F and R directions
(6) Insufficient traction force in both the F and R directions
(7) Slow traveling speed in both the F and R directions
(8) Too high starting engine rpm in both the F and R directions
(9) Too low starting engine rpm in both the F and R directions
(10) Difference in starting engine rpm between the F and R directions
(11) Excessive LST brake shock
(12) Insufficient acceleration
(13) Insufficient traction force or traveling rpm in both the F and R directions
(14) Steering system
[2] Specifications
(1) LST System
(2) Steering system
(3) Front Loader
[3] Testing
(1) Pressure Measurement
(2) Flow Rate Measurement
[4] Servicing
(1) Dismounting and mounting LST pump & motor
(2) Repair instructions, LST pump
(3) Repair instructions, LST motor
(4) Control valve servicing
(5) Steering unit
(6) Cylinder servicing
5. Brake System and power train
[1] Brake system
(1) Negative Brake
(2) Parking Valve
[2] Power train
(1) Front Axle
(2) Rear Axle
(3) Differential Gear (LSD)
(4) Reduction Gear Case Assembly
(5) Differential Ass'y (STD) Assembly
(6) Rear Axle Assembly
(7) Rear Differential Axle
(8) Front Differential Axle Assembly
(9) Planetary Gear Assembly
6. Electrical System
[1] Testing
[2] Troubleshooting
(1) Battery discharges quickly
(2) Starter does not drive engine properly
(3) Forward and reverse run not selectable
(4) Low-speed hold not effective
(5) Auto lever not effective
[3] Specifications
(1) Service as required
[4] Wire harness installation
(1) Precautions
(2) Wire harness routes
[5] Specifications for electric components and service
(1) Stop switch
(2) Starter switch
(3) Lamp
(4) Indicator-1
(5) Indicator-2
(6) Fuel gauge
(7) Tachometer
(8) Water temperature meter
(9) Hazard switch
(10) Parking switch
(11) Winker switch
(12) Light switch
(13) F-R switch
(14) Horn switch
(15) Relay (starter)
(16) Relay (F-R)
(17) Alternator
(18) Sensor (auto leveler)
(19) Unit (inverter)
(20) Control valve
(21) Horn
(22) Relay (light)
(23) Flasher unit
(24) Relay (flasher R)
(25) Relay (flasher L)
(26) Relay (control valve)
(27) Parking solenoid
(28) Starter
(29) Battery
(30) Earth (battery)
(31) Oil switch
(32) Earth-1
(33) Earth-2
(34) Fusible link (80A)
(35) Fusible link (60A)
(36) Fuse box
(37) Rear combination lamp R
(38) Rear combination lamp L
(39) Front combination lamp
(40) Head lamp
(41) Oil temperature sensor
(42) Water temperature sensor
(43) Low-speed hold solenoid
(44) Fuel pump
(45) F-R valve solenoid
(46) Low-speed hold switch
(47) Fuel sensor
(48) Pressure switch
(49) Engine stop solenoid
(50) Back buzzer
(51) Back lamp
(52) Relay (cab)
(53) Glow plug (cab)
(54) Relay (glow)
(55) Cabin power supply
(56) Relay (pressure switch)
(57) Coupler-1 (8-pole)
(58) Coupler-2 (12-pole)
(59) Coupler-3 (10-pole)
(60) Coupler-4 (2-pole)
(61) Coupler-5 (1-pole)
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Kubota R420S, 520S / R420α, 520α Wheel Loader Service Chapter Workshop Manual.pdf
Source : Sitelux.com