Doosan DX140LC, Operation And Maintenance Manual

Page: 196 / 297

OP000599 Inspection, Maintenance and Adjustment
4-12
MAINTENANCE INTERVALS
SERVICE ITEM PAGE
10 Hour / Daily Service
Grease Boom, Arm and Front Attachment Pins (for first 100 hours) 4-14
Grease Dozer Blade Pin (Optional) (for first 100 hours) 4-14
Check Engine Oil Level 4-15
Check Level of Hydraulic Oil Tank 4-15
Check for Leaks in Hydraulic System 4-17
Check Fuel Level 4-18
Check for Leaks in Fuel System 4-18
Check Fuel Prefilter and Drain Water As Required 4-19
Check Oil Level of Swing Reduction Device 4-20
Clean Dust Net in Front of Oil Cooler and Intercooler 4-21
Check Cooling System and Refill As Required 4-21
Check Level of Window Washer Liquid 4-22
Inspect the Bucket Teeth and Side Cutters for Signs of Wear 4-22
Inspect Cooling Fan Blade 4-23
Check Air Intake System 4-23
Inspect Seat Belt for Proper Operation 4-23
Inspect the Structure for Cracks and Faulty Welds 4-24
Check the Operation of All Switches 4-24
Check the Operation of All Exterior Lights, Horn and Control Console Indicator and Monitor
Lights 4-24
Start Engine, Check Starting Ability, and Observe Exhaust Color at Start-up and at Normal
Operating Temperature. Listen for Any Abnormal Sounds 4-24
Check Operation of All Controls 4-25
50 Hour / Weekly Service
Perform All Daily Service Checks 4-26
Grease Arm and Front Attachment Pins 4-26
Grease Swing Bearing 4-27
Grease Dozer Blade Pin (Optional) 4-27
Drain Water and Sediment from Fuel Tank 4-28
Check Engine Fan Belt for Cracks, Wear and Correct Tension (After First 50 Hours) 4-28
Change Engine Oil and Filter (After First 50 Hours) 4-28
Inspect the Track Assemblies for Proper Tension and Loose, Worn or Damaged Parts
(Links, Shoes, Rollers, Idlers) 4-28
250 Hour / Monthly Service
Perform All Daily and 50 Hour Service Checks 4-29
Change Swing Reduction Device Oil (Drain and Refill After First 250 Hours) 4-29
Grease Arm and Front Attachment Pins 4-30
Check Engine Fan Belt Tension 4-32
Check Engine Fan Belt Wear 4-32
Check Oil Level in Travel Reduction Device (One on Each Side of Unit) 4-33
Change Breaker Filter Element (Optional) 4-34
Change Oil in Travel Reduction Device (One on Each Side of Unit) (After First 250 Hours) 4-34