BA 901/1101 en – Edition 2.1 * 91101b520.fm 5-11
Maintenance
Replacing the filter
• Replace outside filter A as follows:
☞ Stop the engine
☞ Remove the key
☞ Let the engine cool down
☞ Open the engine cover
☞ Remove dirt and dust from the air filter and the area around the air filter
☞ Fold bow clips E on lower housing section F to the outside
☞ Remove lower housing section E
☞ Carefully remove outside filter F with slightly turning movements
☞ Ensure that all dirt (dust) inside the upper and lower housing sections, including the
dust valve, has been removed
☞ Clean the parts with a clean lint-free cloth, do not use compressed air
☞ Check the air filter cartridges for damage, only install intact filters
☞ Carefully insert new outside filter B in the upper housing section
☞ Position lower housing section F (ensure that it is properly seated)
☞ Close bow clips E
• Replace inside filter C as follows:
☞ Stop the engine
☞ Remove the key and carry it with you
☞ Let the engine cool down
☞ Open the engine cover
☞ Remove dirt and dust from the air filter and the area around the air filter
☞ Fold bow clips E on lower housing section F to the outside
☞ Remove lower housing section F
☞ Carefully remove outside filter B with slightly turning movements
☞ Carefully remove inside filter C
☞ Cover the air supply at the end of the filter with a clean lint-free cloth to prevent dust
from entering the engine
☞ Ensure that all dirt (dust) inside the upper and lower housing sections F, including dust
valve D, has been removed
☞ Clean the parts with a clean lint-free cloth, do not use compressed air
☞ Remove the cloth from the air supply
☞ Check the air filter cartridges for damage, only install intact filters
☞ Carefully insert the new inside filter C
☞ Carefully insert outside filter B in the upper housing section
☞ Position lower housing section F (ensure that it is properly seated)
☞ Close bow clips E
Ensure that dust valve D shows downward once it is installed!
Fig. 94: Removing the lower housing section
Fig. 95: Removing the filter element
E
F
B
D
Fig. 96: Replacing the inside filter
C