Doosan DX700LC Operation And Maintenance Manual page 240

Replace Outer and Inner Air Cleaner
Elements
Never clean or attempt to remove the air cleaner element if
the engine is running.
NOTE:
Replace outer element after cleaning 5 times or every
2,000 hours of service.
NOTE: Replace inner element whenever a new outer
element is installed.
If there is clogged filter signal on the gauge panel, use the
following procedure.
1. Open the access door at the rear of the cabin.
2. Remove the evacuator valve (1, Figure 93) and air cleaner
cover (2).
NOTE:
Inspect evacuator valve seal lips for wear or
damage. Replace valve if necessary. Install
evacuator valve with lips parallel to the cover.
3. Remove outer filter (3, Figure 93) from the air cleaner
housing.
4. Clean the air cleaner cover and the inside of the air cleaner
housing.
5. Remove inner filter (4, Figure 94).
6. Clean out inside of air cleaner housing. Do not use
compressed air to blow out housing.
7. Install new inner filter. Do not clean and reuse inner
element.
8. Install new outer filter.
9. Install air cleaner cover and evacuator valve.
NOTE:
Make sure that all gaskets and cover are
properly installed and seated.
Inspection, Maintenance and Adjustment
4-52
WARNING
Figure 93
2
1
Figure 94
2
1
FG016134
4
3
FG016115
OP001123