Name: Hitachi ZX50U-2
Brand: Hitachi
Rating: 4 (1 reviews)

Default Chapter5

Table of Contents5

Breaking in New Machine73

Operating the Engine75

Driving the Machine81

Operating the Machine90

Transporting115

Maintenance121

Procedures121
Prepare Machine for Inspection/Maintenance122
Opening/Closing Engine Access Covers123
Opening/Closing Tank Covers124
Daily Inspection125
Periodic Replacement of Parts126
Maintenance Guide127
The Brand Names of Recommended Oils and Lubricants130
Greasing131
- Front Joint Pins134
- Bucket and Link Pins134
- Blade Pins134
- Precautions for Front Attachment and Blade Removal134
- Swing Bearing135
- Swing Internal Gear136
- Control Lever Universal Joint136
- Tilt Mechanism137
Engine138
- Engine Oil138
- Change Engine Oil138
- Replace Engine Oil Filter138
Transmission140
- Travel Reduction Gear140
Hydraulic System142
- Inspection and Maintenance of Hydraulic Equipment142
- Check Hydraulic Oil Level143
- Drain Hydraulic Oil Tank Sump144
- Change Hydraulic Oil145
- Clean Suction Filter148
- Replace Full Flow Filter Element149
- Replace Pilot Filter Element150
- Check Hoses and Lines152
Fuel System157
- Check Water Separator158
- Drain Fuel Tank Sump158
- Replace Fuel Filter159
- Check Fuel Hoses160
Air Cleaner161
- Clean the Air Cleaner Element161
- Replace the Air Cleaner Element161
Cooling System162
- Check Coolant Level163
- Check and Adjust Fan Belt Tension164
- Change Coolant165
- Clean Radiator Core166
Electrical System167
- Batteries167
- Replacing Fuses170
Miscellaneous171
- Check Bucket Teeth for Looseness And/Or Wear171
- Replace Bucket173
- Adjust Track Sag (Rubber Crawler) and Check for Damage174
- Replace Rubber Crawler176
- Check Track Sag (Steel Crawler) (Optional)178
- Check and Replace Seat Belt181
- Check Air Conditioner (Machine with Cab)182
- Clean and Replace Air Conditioner183
- Re-Circulation Filter183
- Clean Re-Circulation Filter183
- Replace Re-Circulation Filter183
- Clean Cab Floor185
- Check Injection Nozzle186
- Check and Adjust Valve Clearance186
- Check Injection Timing186
- Measure Engine Compression Pressure186
- Check Starter and Alternator187
- Check Radiator Cap187
- Check Tightening Torque of Bolts and Nuts188
Check Tilt Mechanism Fulcrum Bolts for Looseness191
Preparation for Inspection and Maintenance192
Tilting Floor down194

Consumable Parts List198

Maintenance under Special Environmental Conditions200

Additional Counterweight225

Index228

Brand	Hitachi
Model	ZX50U-2
Category	Excavators
Language	English

Hitachi ZX50U-2 User Manual

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