Doosan D20S-5 Operation & Maintenance Manual page 147

Parking Brake - Test, Parking Brake
Inspect Coolant Inspect Coolant Hoses
Engine Only) Engine Only) ..............................
LP Regulator/Converter Inspection (LP, Dual Fuel LP Regulator/Converter Inspection (LP, Dual Fuel
Engine Engine Only) Only) ..............................
Fuel Fuel Lines & Lines & Fittings -
Inspect Inspect Mixer Mixer
Engine Only) Engine Only) ..............................
Inspect Throttle Assembly (G420F(E)/G424F(E) Inspect Throttle Assembly (G420F(E)/G424F(E)
Engine Engine Only) Only) ..............................
Engine Valve Lash (Diesel Engine Only) - Check, Engine Valve Lash (Diesel Engine Only) - Check,
Adjust............................................... Adjust.....................................................................
Every 1500 Service Hours or 9 Months Every 1500 Service Hours or 9 Months
Inspect Ignition System (LP, Gasoline & Dual Fuel Inspect Ignition System (LP, Gasoline & Dual Fuel
Engines s Only) Engine Only) ........................
Replace Spark Plugs (G424F(E) LP, Dual Fuel Replace Spark Plugs (G424F(E) LP, Dual Fuel
Engine Only) Engine Only) ..............................
Replace LP Fuel Filter Element (LP, Dual Fuel Replace LP Fuel Filter Element (LP, Dual Fuel
Engine Engine Only) Only) ..............................
Fuel Fil Fuel Filter (LP ter (LP Engine Only)
Testing Fuel Lock-off Operation (LP Engine Only) Testing Fuel Lock-off Operation (LP Engine Only)
.............................. .............................................................
Fuel Injectors (Diesel Engine Only) - Inspect, Fuel Injectors (Diesel Engine Only) - Inspect,
Clean, Clean, Test Test......................... ........................................................
Crankcase Breather System (4TNV98 Diesel Crankcase Breather System (4TNV98 Diesel
Engine Only) - - Inspe Engine Only)
Every 2000 Service Hours or Yearly Every 2000 Service Hours or Yearly
Engine Valve Lash (Diesel Engine Only) - Check, Engine Valve Lash (Diesel Engine Only) - Check,
Adjust............................................... Adjust.....................................................................
Steer Wheel Bearings - Steer Wheel Bearings - Reassemble.........
Drive Wheel Bearing (Power Shaft and Drive Drive Wheel Bearing (Power Shaft and Drive
Wheel) Wheel) - - Reassemble Reassemble ........................
Cooling System - Clean Cooling System - Clean, Change
Forks - - Inspect Forks Inspect ...................................
Every 2500 Service Hours or 15 Months Every 2500 Service Hours or 15 Months
Hydraulic Oil - Check, Clean, Change Hydraulic Oil - Check, Clean, Change .....
Inspect Battery Inspect Battery System
Replace Replace Oxygen Oxygen
Engine Engine Only) Only) ..............................
Replace Spark Replace Spark Plugs (G420F(E)
Checking the TMAP Sensor (G420F(E)/G424F(E) Checking the TMAP Sensor (G420F(E)/G424F(E)
Engine Only) Engine Only) ..............................
Inspect for Intake Leaks (G420F(E)/G424F(E) Inspect for Intake Leaks (G420F(E)/G424F(E)
Engine Engine Only) Only) ..............................
Every 3000 Service Hours or 18 Months Every 3000 Service Hours or 18 Months
Timing Belt [G420F(E)/G424F(E) LP, Gasoline, Timing Belt [G420F(E)/G424F(E) LP, Gasoline,
Dual Dual Fuel Fuel Engine Engine Only]
- Test, Adjust Adjust ..... .......... ........... ........... ...........
Hoses (LP, (LP, Dual
......................................................... ........................... 189
......................................................... ........................... 189
Fittings - Check.... Check......... ........... ........... ...........
Assembly Assembly (G420F(E)/G424F(E) (G420F(E)/G424F(E)
......................................................... ........................... 189
......................................................... ........................... 189
...................... 190
....................................................... ............................... 191
......................................................... ........................... 191
......................................................... ........................... 192
Engine Only) ..... .......... ........... ........... ...........
................................................. .................. 192
...................................
Inspect................................. ct..........................................
...................... 194
Reassemble..............
.......................................... .................. 196
, Change ..... .......... ...........
..................................................... .................. 199
...........
System..... .......... ........... ............ ............ ...........
Sensor Sensor (G420F(E)/G424F(E) (G420F(E)/G424F(E)
......................................................... ........................... 202
Plugs (G420F(E) Engine Only).. Engine Only).. 202
......................................................... ........................... 203
......................................................... ........................... 203
Only] - C - Change........ hange..............
Universal Joint Universal
........... ..... 164 164
Air Air Intake Intake System -
-144- -144-
Dual Fuel Fuel
189
189
189
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Joint - - Inspect Inspect ..... ........... ........... .......... ...........
System - Change Change ..... .......... .......... ..........
Maintenance Section Maintenance Section
188
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...188
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