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E. FUEL SYSTEM (See Page 7-42)
Parts
1. Drain Fuel Tank Sump
2. Drain Fuel Filter
3. Replace Fuel Main Filter Element
4. Replace Fuel Pre-Filter Element
5. Clean Fuel Solenoid Pump Strainer
for leaks, cracks, etc.
6. Check Fuel
Hoses
for cracks, bend, etc.
F. AIR CLEANER (See Page 7-53)
Parts
1. Air Cleaner Outer
Element
2. Air Cleaner Inner
Element
G. COOLING SYSTEM (See Page 7-55)
Parts
1. Check Coolant Level
2. Check and Adjust Fan Belt Tension
3. Change Coolant
4. Clean Radiator, Oil Cooler
Core and Inter Cooler
5. Clean Oil Cooler, Radiator and Inter Cooler
Front Screen
6. Clean Air Conditioner Condenser
7. Clean Fuel Oil Cooler
8. Clean Air Conditioner Front Screen (Opt.)
NOTE: ★★ Maintenance required only during first time check.
When genuine Hitachi Long-Life Coolant is used, change every two years or 4000 operating hours, whichever
✸
1
comes first.
Shorten the maintenance interval when the machine is operated in dusty areas.
✸
2
IMPORTANT: Use fresh water or normal tap water as a coolant. Do not use strong acid or alkaline water.
Use the coolant with genuine Hitachi Long-Life Coolant (LLC) mixed by 30 to 50 %.
Quantity
Quantity
Cleaning
Replacement
Replacement
ZX120-3 Class
(4.2 US gal)
ZX180-3 Class
(4.8 US gal)
ZX200-3, 270-3
Class
(6.9 US gal)
ZX330-3 Class
(8.5 US gal)
Outside
Inside
MAINTENANCE
8
50
1
1
1
1
1
–
–
8
50
1
(Or when indicator lit)
1
1
Quantity
8
1
1
★★
16 L
18 L
26 L
32 L
1
1
1
1
1
1
7-12
Interval (hours)
100
250
Interval (hours)
100
250
After cleaning 6 times or 1 year
When outer element is replaced
Interval (hours)
50
100
250
Twice a year
Twice a year
Twice a year
Twice a year
Once a year
500
1000
2000
500
1000
2000
500
1000
2000
✸
1
✸
1
✸
1
✸
1
✸
2
✸
2
✸
2
✸
2
✸
2
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