Komatsu — 1.8. Table of contents

1.8. Table of contents Introduction 4.1. Towing the machine..................................................................................................................................... 4-2 4.2. Starting the engine with a booster cable................................................................................................... 4-6 4.3. For insufficient braking effect..................................................................................................................... 4-8 4.3.1. Checking the service brake .............................................................................................................. 4-8 4.3.2.

Checking the parking brake function ................................................................................................ 4-8 4.4. Emergency steering properties .................................................................................................................. 4-9 4.5. Emergency lowering.................................................................................................................................... 4-9 4.6. Other troubles ............................................................................................................................................ 4-10 4.6.1.

Electrical system............................................................................................................................. 4-10 4.6.2. Engine............................................................................................................................................. 4-11 4.6.3. Hydraulic system ............................................................................................................................ 4-14 4.6.4. Brakes............................................................................................................................................. 4-16 4.6.5.

Steering .......................................................................................................................................... 4-16 4.6.6. Axles ............................................................................................................................................... 4-17 4.6.7. Driver’s cab..................................................................................................................................... 4-17 5. Maintenance ................................................................................................5-1 5.1.

Maintenance guide....................................................................................................................................... 5-2 5.1.1. Guidelines......................................................................................................................................... 5-2 5.2. Maintenance basics ................................................................................................................................... 5-12 5.2.1. Oil, fuel and coolant specifications .................................................................................................

5-12 Oil ................................................................................................................................................... 5-12 Fuel................................................................................................................................................. 5-13 Coolant ........................................................................................................................................... 5-14 Grease ............................................................................................................................................

5-14 Storing oil and fuel .......................................................................................................................... 5-15 Filters .............................................................................................................................................. 5-15 Biodegradable hydraulic oil and lubricants ..................................................................................... 5-15 5.2.2. Specifications of the electrical system ............................................................................................ 5-16 5.2.3.

Wearing parts list ............................................................................................................................ 5-17 5.3. Lubricants, fuels and filling capacities.................................................................................................... 5-18 5.3.1. Lubrication chart ............................................................................................................................. 5-19 5.4. Tools and standard tightening torques (bolts, nuts).............................................................................. 5-20 5.4.1.

Introduction of recommended tools ................................................................................................ 5-20 5.4.2. Torque list....................................................................................................................................... 5-21 5.5. Periodical replacement of safety-critical parts ....................................................................................... 5-23 5.6. Maintenance schedule chart..................................................................................................................... 5-24 5.7.

Service procedure...................................................................................................................................... 5-26 5.7.1. Pre-start checklist ........................................................................................................................... 5-26 Cooling system – checking the coolant level, topping up coolant................................................... 5-26 1-20 WA100M-5 – VEAM280201