Doosan DX700LC Operation And Maintenance Manual page 201

Inspect Pins and Bushings of the Front End Attachments for Signs of Wear
Check Fluid Levels in Batteries and Battery Charge Levels
Inspect for Any Loose or Missing Nuts and Bolts
Inspect Fuel System Hose Clamps
Perform All Daily, 50 and 250 Hour Service Checks
Grease Swing Gear and Pinion
Change Engine Oil and Filter
Clean Air-Conditioning Outer Filter
Check and Clean Air-Conditioning Inner Filter
Clean Radiator, Oil Cooler, Intercooler, Fuel Cooler and Air Conditioner Condenser Core
Clean Outer Filter of Air Cleaner
Change of Fuel Prefilter
Change Fuel Filter
Perform All Daily, 50, 250 and 500 Hour Service Checks
Grease Swing Reduction Device
Replace Hydraulic Oil Return Filter, Drain Return Filter
Change Pilot Filter
Change Oil in Travel Reduction Device (One on Each Side of Unit)
Change Air Breather Filter
Change Air-Conditioning Outer Filter
Change Fuel Cap Filter
Check Air Conditioner Refrigerant
Check and Adjust Engine **
Perform All Daily, 50, 250, 500 and 1,000 Hour Service Checks
Change Swing Reduction Device Oil
Replace Outer and Inner Air Cleaner Elements
Change Radiator Coolant
Hydraulic Oil Exchange and Suction Strainer Cleaning
Check Alternator and Starter**
Check All Rubber Antivibration Shock Mounts
Perform and Record the Results of the Cycle Time Tests
Inspect Machine to Check for Cracked or Broken Welds or other Structural Damage
Check, Adjust Valve Clearance **
Check Head Bolt Torques
Major Parts - Periodic Replacement
Hose In-service Lifetime Limit (European Standard ISO 8331 and EN982 CEN)
** These checks need to be completed by an authorized DOOSAN dealer.
Inspection, Maintenance and Adjustment
500 Hour / 3 Month Service
1,000 Hour / 6 Month service
2,000 Hour / Yearly Service
4,000 Hour / Biennial Service
12,000 Hour / Year Service
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