Komatsu SK1020-5N, Operation & Maintenance Manual

Page 1: ...p It is our policy to improve our products whenever it is possible and practical to do so We reserve the right to make changes or add improvements at any time without incurring any obligation to insta...

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Page 3: ...0 1 0INTRODUCTION SK1020 5N SK1020 5NA Find manuals at https best manuals com...

Page 4: ...e personnel must read this manual thoroughly before operating or maintaining this machine This manual should be kept near or with the machine for reference and periodically reviewed by all person nel...

Page 5: ...situation which if not avoided could result in death or serious injury Indicates a potentially hazardous situation which if not avoided may result in minor or moderate injury It may also be used to a...

Page 6: ...PING TILLER POWER RAKE PREPARATOR SCARIFIER ROAD REPAIR COLD PLANER Non approved This paragraph describes some of the improper or unauthorized uses of the machine since it is impossible to predict all...

Page 7: ...time for the various components If the machine is subjected to excessive or severe work loads at the beginning of its operation its functions will be greatly reduced or damaged Every new machine must...

Page 8: ...It is a good idea to record this information in this manual see SERIAL NUMBERS AND DISTRIBUTOR INFORMATION on page 0 8 All views indicated below are viewed from the operator s position Machine Serial...

Page 9: ...rial Number The serial number of the travel reduction gear is stamped on the plate positioned on the hydraulic motor cover Cab Serial Number The cab serial number is stamped on the plate positioned on...

Page 10: ...SK1020 5NA SERIAL NUMBERS AND DISTRIBUTOR INFORMATION Model SK1020 5N or SK1020 5NA Machine Engine Travel reduction gear Cab Excavator if installed Distributor Address Phone Contacts NOTES Find manual...

Page 11: ...CONTENTS 0 9 SAFETY SAFETY LABELS 1 2 Example of Safety Label Using Words 1 2 Example of Safety Label Using Pictogram 1 2 SAFETY AND WARNING DECALS 1 3 Location of the Safety Decals 1 3 Location of th...

Page 12: ...venting Damage Caused by the Work Equipment 1 40 Working on Loose Ground 1 40 Parking the Machine 1 41 TRANSPORTING THE MACHINE 1 42 Loading and Unloading the Machine 1 42 The Route 1 42 BATTERY 1 43...

Page 13: ...4 Parking Brake Warning Light 2 15 Speed Increase Indicator Light 2 15 Floating Device Indicator Light 2 15 Direction Indicator Light If Equipped 2 15 Working Light Indicator Light 2 16 Safety Device...

Page 14: ...nes 2 38 Super Flow Hydraulic System Control Five Lines 2 39 Speed Increase Control 2 40 Floating Device Control 2 40 Pattern Shifting Control 2 41 Right Stabilizer Control 2 43 Left Stabilizer Contro...

Page 15: ...ENGINE 2 84 TRANSPORTING THE MACHINE 2 85 Loading and Unloading 2 85 Transport 2 86 HOW TO LIFT THE MACHINE 2 86 Front Lifting Eye 2 87 Rear Lifting Eye 2 88 Lifting the Machine 2 88 COLD WEATHER PRE...

Page 16: ...System 3 4 Notes Regarding Lubrication 3 5 Wear Parts List 3 5 FUEL COOLANT AND LUBRICANTS 3 6 Selection According to the Ambient Temperature 3 6 Grease 3 6 APPROVED SYNTHETIC BIODEGRADABLE LUBRICANTS...

Page 17: ...After the First 500 Hours of Operation 3 40 Maintenance Every 500 Hours of Operation 3 41 Changing the Fuel Filter 3 41 Changing the Hydraulic Oil Drain Filter 3 42 Cleaning the Water Separator 3 43...

Page 18: ...ment 5 5 Connecting the Excavator 5 5 Connecting the Hydraulic Circuit 5 6 Connecting the Return Circuit with Direct Drainage into the Tank 5 8 Preparing the Machine for the Use of the Excavator 5 8 U...

Page 19: ...make sure that you fully understand the precautions described in this manual and the safety labels on the machine Read and follow all safety precautions Failure to do so may result in serious injury o...

Page 20: ...e type of hazardous condition is displayed inside a triangle and the method of avoiding the hazardous condition is shown inside the circle Komatsu cannot predict every circumstance that might involve...

Page 21: ...a solution of water and detergent Do not use fuel petroleum based products or solvents If the decals are damaged they must be replaced before operating the machine When a component provided with a saf...

Page 22: ...SAFETY 1 4 SK1020 5N SK1020 5NA...

Page 23: ...rnings in manual and in labels on machine Keep manual in machine cab near operator Contact Komatsu distributor for a replacement manual 2 Height Decal 37C 98 11211 Hazardous voltage hazard Serious inj...

Page 24: ...sure no one is on or near machine or in area of operation Use spotter if view is obstructed Follow above instructions even if machine is equipped with travel alarm and mirrors Do not risk serious inju...

Page 25: ...place any part of your body near the swing area of the machine 5 Warning Decal 37C 98 11211 KEEP OUT OF THIS AREA Do not risk serious injury or death 6 Block wheels 37C 98 11211 Block wheels to preve...

Page 26: ...al 37A 98 12180 EXPLOSIVE GASES When attaching booster cables always make last connection on machine frame away from battery to avoid sparks at the battery Keep cigarettes flames and sparks away from...

Page 27: ...tor or place one close to a fire 4 Never attempt to attach a part to or bore a hole in the accumula tor s wall 5 Always completely exhaust the accumulator of all contami nated gas when disassembling o...

Page 28: ...d fan belt DO NOT RISK SERIOUS INJURY 14 Do Not Use Ether 37A 98 12150 DO NOT USE ETHER Engine equipped with electric heater Using ether as a starting aid may cause explosion Do not risk serious injur...

Page 29: ...1020 5NA 1 11 16 Seat Belt Warning 37C 98 11211 ALWAYS USE SEAT BELT Avoid being crushed DO NOT jump if machine tips Do not risk serious injury or death 17 Warning Decal 37C 98 11211 Do not risk serio...

Page 30: ...pin 3 Lower loader arm safety support onto cylinder rod 4 Slowly lower loader arm until safety support fully engages cylinder and stops arm movement 5 Install retaining pin inside loader arm safety s...

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