Doosan DX140LC, Operation And Maintenance Manual

Page: 221 / 297

OP000599
4-37
Inspection, Maintenance and Adjustment
Change Engine Oil and Filter
NOTE: Change engine oil and filter after first 50 hours of
operation or rebuild, then every 500 thereafter.
1. Position a larger container under the engine. Remove cap
(1, Figure 52) and install hose (2) to drain the engine oil.
Remove hose (2) and install cap (1).
NOTE: Dispose of drained fluids according to local
regulations.
2. Replace engine oil filter by using filter wrench. The engine
oil filter is a spin-on type. See Figure 53. Remove and
discard filter.
3. Install new filter. Apply a small amount of oil around filter
gasket. Screw filter on head until gasket contacts head,
turn filter 1/2 turn more.
4. Refill the engine with the correct oil through the oil fill port
(Figure 54). Refer to the Lubrication Table of this manual
for the recommended oil for the operating conditions.
NOTE: See “Fluid Capacities” on page 4-8. for
capacity.
5. Start engine. Run engine for five minutes at "LOW IDLE,"
and check engine oil pressure light.
6. Shut down engine. Look for signs of leaks at filter. Recheck
oil level after fifteen minutes.
WARNING!
DO NOT change oil on a hot engine. Allow the engine to
cool down before attempting to change the engine oil and
filter to avoid burns by touching hot engine parts.
Figure 52
1
2
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Figure 53
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Figure 54
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