HEATER AIR FILTERS (WITH CAB OPTION ONLY)
Fresh Air Filter
Recirculation Filter
Remove the filter (Item 4) [Figure 10-61-1]. Use low air pressure to clean the filter; or replace when very dirty.
Figure 10-61-1 Install the filter, cover and screws. 3 2
4 1
P-19203
The heater filters must be cleaned regularly. The filters are located at the left of the operator seat [Figure 10-611]. Remove the screws and cover (Items 1 & 2) [Figure 1061-1]. Remove the filter (Item 3) [Figure 10-61-1] and wash the filter with a mild detergent and water. Dry the filter before installing.
10-61-1
331, 331E, 334 Excavator Service Manual