BA 1404 en – Edition 2.7 * 1404b520.fm 5-11
Maintenance
5.5 Air filter (up to serial number AG03170)
The air filter element will be damaged if it is washed or brushed out!
Bear in mind the following to avoid premature engine wear or damage:
☞ Do not clean the air filter element.
☞ Replace the air filter element according to the indicator or maintenance
plan.
☞ Never reuse damaged air-filter elements.
☞ Ensure cleanliness when replacing the air filter element!
Replace the air filter element as indicated in the maintenance plan or if dirt indicator B
drops to “Service”!
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
☞ Replace the air filter element after 50 operating hours at the latest!
General instructions for air filter maintenance:
• Store air filter elements in their original packaging and in a dry place!
• Do not knock the air filter element against other objects as you install it!
• Check air filter attachments, air intake hoses and the air filter element 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 the dust valve, replace if necessary!
• Compress the discharge slot of the dust valve
• Clean the discharge slot if necessary
• Close and lock the engine cover
Air intake
When crossing water fords or similar, ensure that the engine air intake slits are
always above water level –
Danger of engine damage!
☞ – see chapter Air intake on page 5-11
☞ Check once a day for cleanliness before putting the machine into operation!
Abb. 187: Indicator for air filter contamination
B
Abb. 188: Engine air intake
Maintenance
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