Hitachi ZAXIS 120-6 class Operator's Manual page 310

Hydraulic excavator

Table of Contents

I. Miscellaneous

1. Check and Replace Bucket Teeth

2. Change Bucket

3. Convert Bucket Connection Into Face Shovel

4. Adjust Bucket Linkage

5. Remove Travel Levers

6. Check and Replace Seat Belt

7. Check Windshield Washer Fluid Level

8. Check Track Sag

Clean and Replace Air

Conditioner Filter

10. Check Air Conditioner

11. Clean Cab Floor

12. Retighten Cylinder Head Bolt

13. Inspect and Adjust Valve Clearance

14. Measure Engine Compression Pressure

15. Check Starter and Alternator

16. Check and Replace EGR Device

17. EGR Cooler Cleaning

18. Check Turbo Charger

19. Check and Clean Injector

20. Check Gas Damper

Tightening and Retightening Torque of Nuts and

: Maintenance required only during first time check.

NOTE: * Contact your authorized dealer for maintenance. Instruction plate for the recommended grease and lubricants is

affixed inside the tool box cover.

Circulating Air

Fresh Air Filter

100 250 500 1000 2000 4500

After cleaning 6 times or so

Interval (hours)

Every 3 years

*As required

Troubleshooting