MAINTENANCE
7-46
D. HYDRAULIC SYSTEM
Interval (hours)
Parts
Quantity
10
50
250
500
2000 2500 4000 12000
1. Check Hydraulic Oil Level
1
*
2. Drain Hydraulic Oil Tank Sump
1
3. Change Hydraulic Oil
2200 L
(580 US gal)
+
+
+
4.
Replace Full-Flow Filter and Drain Filter
4
*
5. Replace Pilot Oil Filter
1
*
Clean Filter
2
When changing hydraulic oil
6. Suction Filter
Replace Filter
2
7. Replace High-Pressure Strainer
3
8. Clean Oil Cooler Core
1
Check Hoses and Lines (for leak, loose)
−
9.
Check Hoses and Lines (for crack, bend, etc.)
−
NOTE:
+
Hydraulic oil changing interval differs according to the kind of hydraulic oil used. See recommended oil
chart.
*
First time only.
M18C-01-039
Brand Names of Recommended Hydraulic Oil
Kind of Lubricant
Hydraulic Oil
Where to be applied
Hydraulic System
Change Interval
4000 hours
2500 hours
2000 hours
Environmental
Temp.
Manufacturer
–20 to 50°C
(–4 to 122°F)
–10 to 50°C
(14 to 122°F)
–20 to 50°C
(–4 to 122°F)
–10 to 50°C
(14 to 122°F)
–20 to 50°C
(–4 to 122°F)
–10 to 50°C
(14 to 122°F)
Hitachi
Super EX 46HN
Idemitsu Kosan
Super Hydro 46 WRHU
British Petroleum
Bartran HV46
Caltex Oil
Rando Oil
HD46
Texaco INC.
Rando Oil
HD46
Chevron U.S.A INC.
Chevron AW46
Esso
NUTO H46
Mobil Oil
DTE 25
Shell Oil
Tellus Oil S46
Tellus Oil 46
Remarks
Anti-wear type hydraulic oil
NOTE: Use proper hydraulic oil in accordance with the atmospheric temperature.
The machine shipped from the factory is filled with oil marked
.
6
8
5
4
3
2
9
1
7
Summary of Contents for EX1900-5
Page 1: ......
Page 37: ...SAFETY SIGNS S 29 SS 411 SS 691 SS 442 M18C 01 006 SS 445 M144 07 107 ...
Page 38: ...SAFETY SIGNS S 30 SS 446 SS 723 SS3076117 SS 723 SS 410 SS 723 Loading Shovel ...
Page 39: ...SAFETY SIGNS S 31 SS3091476 M146 01 035 ...
Page 40: ...SAFETY SIGNS S 32 SS 413 M18C 01 007 M18C 01 008 ...
Page 42: ...SAFETY SIGNS S 34 MEMO ...
Page 112: ...DRIVING THE MACHINE 4 12 MEMO ...
Page 140: ...MAINTENANCE 7 8 MEMO ...
Page 146: ...MAINTENANCE 7 14 Hoses Q ty in Use Transmission Oil Cooler Hose 5 2 M18C 07 062 5 ...
Page 156: ...MAINTENANCE 7 24 4 Grouped Grease Fittings 7 Arm Ñ Lubrication M144 07 079 M144 07 005 7 ...
Page 258: ...MAINTENANCE UNDER SPECIAL ENVIRONMENTAL CONDITIONS 9 2 MEMO ...
Page 274: ...TROUBLESHOOTING 11 14 MEMO ...
Page 278: ...SPECIFICATIONS 12 4 MEMO ...