215916 385 Revision A
5.9 Every 100 Hours
Complete the following maintenance tasks every 100 hours of operation.
• Clean cab air return filter. For instructions, refer to 5.9.1 Servicing Return Air Filter, page 385.
• Clean radiator, hydraulic oil cooler, charge air cooler, and A/C condenser. For instructions, refer to 5.9.2 Cleaning Cooler
Module, page 386.
5.9.1 Servicing Return Air Filter
The return air filter is located behind the operator’s seat on the cab wall and should be serviced every 100 hours.
Figure 5.74: Return Air Filter
1. Unscrew two knobs (A) attaching the cover and the filter to
the cab wall, and remove cover and filter assembly (B).
Figure 5.75: Return Air Filter
2. Separate filter (B) from cover (A).
3. Clean the electrostatic filter as follows:
a. Mix a solution of warm water and detergent in a
suitable container so that filter (B) can soak for a few
minutes.
b. Agitate the water to flush out the dirt.
c. Rinse the filter with clean water, and then dry it with
compressed air.
d. Inspect the filter for damage, separation, and holes.
Replace if damaged. Refer to 5.1.5 Filter Part Numbers,
page 329 for part number.
4. Assemble cleaner (B) and cover (A), and position it on the
cab wall over the opening.
MAINTENANCE AND SERVICING
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