214733 304 Revision A
5.9 Every 100 Hours
Complete the following maintenance tasks every 100 hours of operation.
• Clean cab air return filter. Refer to 5.9.1 Servicing Return Air Filter, page 304.
• Clean radiator, hydraulic oil cooler, charge air cooler, and A/C condenser. Refer to 5.9.2 Cleaning Cooler Module, page
305.
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 5.71: Return Air Filter
1. Unscrew two knobs (A) attaching cover and filter to cab
wall, and remove cover and filter assembly (B).
Figure 5.72: Return Air Filter
2. Separate the filter (B) from the cover (A).
3. Clean the electrostatic filter as follows:
a. Mix a solution of warm water and detergent in a
suitable container so that the filter (B) can soak for a
few minutes.
b. Agitate to flush out the dirt.
c. Rinse with clean water, and then dry with
compressed air.
d. Inspect filter for damage, separation, and holes.
Replace if damaged. Refer to 5.1.4 Filter Part Numbers,
page 251 for part number.
4. Assemble the cleaner (B) and cover (A), and position on cab
wall over opening.
MAINTENANCE AND SERVICING