Maintenance Guide - Hitachi Zaxis 850LC-3 Operator's Manual

MAINTENANCE GUIDE

A. GREASING (See Page 7-9)
Parts
1 Front Joint Boom Pivot
Pins Boom Cylinder
Bottom End
Bucket and Link Pins
Others
2. Swing Bearing
3. Swing Internal Gear
NOTE: ★ Grease every 10 hours for first 100 hours.
★★ Maintenance required when operating in water or mud.
NOTE: Grease the bucket joint pins, swing bearing, and swing gear only using a grease gun even if the auto-lubrication de-
vice is kept activated.
B. ENGINE OIL (See Page 7-20)
Parts
1. Engine oil Oil Level Check
2. Engine oil Change
3. Engine oil Filter Replacement
NOTE: ★ Change 250 operating hours, if the content of sulfur of fuel is 2000 ppm or more.
Consult your nearest Hitachi dealer for the detail.
C. TRANSMISSION OIL (See Page 7-24)
Parts
1. Pump transmission
(Engine oil)
2. Swing Reduction Gear
(Gear oil)
3. Travel Reduction Gear
(Gear oil)
MAINTENANCE
Quantity
Backhoe
Backhoe
Quantity
57 L (15.1 US gal)
Oil Level Check
Change 6.2 L (1.6 US gal)
Clean Air Breather
Oil Level Check
Change 15 L×2 (4.0 US gal×2)
Oil Level Check
Change 19 L×2 (5.0 US gal×2)
10
4
★
9
★★
7
★
3
1
10
—
2
Quantity
10
—
1
2
2
7-6
Interval (hours)
50 100 250
Interval (hours)
50 100 250
★
★
Interval (hours)
50 100 250
500 1000 2000
500 1000 2000
500 1000 2000