Hitachi ZW140-6 Operator's Manual page 267

Section
Check Monitor Functions and
Instrument Operation
Check Horn and Back Up Alarm
Electrical
Check Lights
system
Check Electrical Harnesses and Fuses
Check Battery Electrolyte Level
Check Electrolyte Specific Gravity
Clean/Replace Air Conditioner
Circulation/Fresh Air Filters
Check Air Conditioner
Check Air Conditioner Piping
Air
Conditioner Check Air Conditioner Condenser
Check Air Conditioner Fan Belt
Check Refrigerant Level
Check Compressor and Pulley
Check Tightening Torque of Bolts and
Others
Nuts
f
NOTE:
*3: Shorten maintenance intervals when the machine is operated under severe conditions or when the machine is
continuously operated for a long period of time.
MAINTENANCE
Item for check
: First time replacement or cleaning only
Operating hours
10 50 100 250 500 1000 2000 4000 4500
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*3
Every 6 months or 1000 hours
Every 6 months or 1000 hours
Every 6 months or 1000 hours
Every 6 months or 1000 hours
Every 6 months or 1000 hours
Once a year or 2000 hours

7-15
Page
7-82
7-83
7-83
7-84
7-80
7-81
7-95
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7-99
7-99
7-100
7-100
7-101
7-101
7-109
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