Hitachi Zaxis 850LC-3 Operator's Manual page 220

H. AIR CONDITIONER (See Page 7-62)
Parts
1. Circulating Air Filter
Fresh Air Filter
2. Check Refrigerant (Gas) Quantity
3. Check Compressor Belt Tension
4. Clean Condenser Core
5. Check Looseness at each of Fastened
Areas
6. Check In-Season and Off-Season
I. ELECTRICAL SYSTEM (See Page 7-68)
Parts
1. Battery
2. Replace Fuse
J. MISCELLANEOUS (See Page 7-75)
Parts
1. Check Bucket Teeth for Wear and Looseness
2. Change Bucket
3. Adjust Bucket Linkage
4. Remove Travel Levers
5. Check and Replace Seat Belt
6. Check Windshield Washer Fluid Level
7. Check Track Sag
8. Clean Cab Floor
9. Check Tightening Torque of Bolts and Nuts
10. Check O-rings in Bucket Joints
11. Retighten Cylinder Head Bold
12. Inspect and Adjust Valve Clearance
13. Check fuel Injection Timing
14. Measure Engine Compression Pressure
15. Check Starter and Alternator
16. Check Water Pump
NOTE: ★★★ Maintenance required only during first time check.
Contract your authorized dealer for maintenance.
✹
MAINTENANCE
Quantity
Cleaning
Replacement
Cleaning
Replacement
Quantity
Level Check
Specific Gravity
10 50
1
1
1
1
1
1
1
—
—
10 50
2
2
—
Quantity
10 50
—
—
1
2
1
1
2
—
—
★★★
—
—
—
—
—
—
—
7-8
Interval (hours)
100 250 500
When excessively restricted
Twice a year
Interval (hours)
100 250 500
Every month
Every month
As required
Interval (hours)
100 250 500 1000 2000 4000
As required
As required
As required
Every 3 years (Replace)
As required
As required
✹ As required
✹ As required
1000 2000
1000 2000
✹
✹
✹
✹