5-10 BA 901/1101 en – Edition 2.1 * 91101b520.fm
Maintenance
5.5 Air filter
The filter cartridge will be damaged if it is washed or brushed out!
Bear in mind the following to avoid premature engine wear!
☞ Do not clean the filter cartridge
☞ Replace the filter cartridge when the indicator light illuminates
☞ Never reuse a damaged filter cartridge
☞ Ensure cleanliness when replacing the filter cartridge!
Indicator light 24 in the round display element monitors the air filter cartridge.
☞ Replace outside filter B and inside filter C:
• If indicator light 24 in the round display element illuminates
• According to the maintenance plan
For applications in especially dusty environment, the air filter is fitted with an
extra inside filter C. Do not clean inside filter C.
Filter cartridges degrade prematurely when in service in acidic air for longer
periods of time. This risk is present for example in acid production facilities,
steel and aluminum mills, chemical plants and other nonferrous-metal plants.
Depending on the where the machine is used (for example in areas with
increased dust development or in dry climate) replace the air filter more often.
☞ Replace outside filter B and inside filter C at the latest after the first 50
operating hours!
General instructions for air filter maintenance:
• Store filters in their original packaging and in a dry place!
• Do not knock the filter against other objects as you install it!
• Check air filter attachments, air intake hoses and air filters for damage, and
immediately repair or replace if necessary!
• Check the screws at the induction manifold and the clamps for tightness!
• Check the function of dust valve D, replace if necessary!
☞ Squeeze the discharge slot of dust valve D!
☞ Remove hardened dust by squeezing the upper area of the valve!
☞ Clean the discharge slot if necessary!
Fig. 92: Indicator for air filter contamination
24
B
C
Fig. 93: Replacing the inside filter
D
Maintenance
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