MAINTENANCE PROCEDURES
TB18 Plus&20J Plus Maintenance Manual 5-21 © Apr 2022
Figure 5-21
2. Place a suitable vessel under the filter.
3. Remove the filter from the mounting bracket.
4. Replace the filter element as needed.
5. Clean up the hydraulic oil spills.
6. Start the engine from the ground controller.
7. Inspect the high-pressure filter and relevant
components for leakage.
B-8 Replace Air Filter Element of
Engine
NOTICE
Shut off the engine before inspection.
Inspecting the engine air filter is vital to proper engine
operation. Failure to perform this inspection procedure
will result in engine malfunction and component
damage.
1. Open the right side cover of turntable.
2. Locate the engine air filter, as shown in the below
figure：
Figure 5-22 Deutz D2.9L4 air filter
Figure 5-23 Deutz TD2011L04i air filter
Figure 5-24 Cummins QFS2.8t3NA60 air
filter
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