BA 1001/1501/2001 us – Edition 3.3 * 12001b520.fm 5-17
Maintenance
5.7 Air filter (1001/1501: from serial no. EA01743)
Replacing the air filter
The air filter elements must be replaced:
• If the yellow piston B in dirt indicator A reaches the red service mark C.
• Every 1000 operating hours or once a year at the latest.
1 Park the machine, stop the engine, remove the starting key and carry it with you.
2 Open the engine cover.
3 Remove dirt and dust from the air filter housing and the area around it.
4 Fold bow clips D on lower housing section E to the outside.
5 Remove lower housing section E.
6 Carefully remove outside filter G with slightly turning movements.
7 Ensure that all contamination (dust) inside the upper and lower housing sections
(including the dust valve) has been removed.
8 Clean the parts with a clean lint-free cloth, do not use compressed air.
9 Carefully remove inside filter H with slightly turning movements.
10 Check the new inside filter H and outside filter G for damage and carefully insert
them in the air filter housing.
11 Close bow clips D.
12 Ensure that dust valve F shows downward once it is installed.
13 After replacing the filters, press button J to reset the yellow piston B.
Fig. 87: Removing the lower housing section
A
B
C
F
J
Fig. 89: Lower housing section
D
E
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