3-24 SHB 28Z3 EN – Edition 2.0 * 28z3s312.fm
Maintenance
3.10 Air filter
Caution!
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!
The air filter elements must be replaced:
• If “Service” (red mark) is displayed on fouling indicator A
• According to the maintenance plan
Caution!
Air filter elements 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 aluminium mills, chemical plants and other nonferrous-metal plants
☞ Check air filter elements every 50 service hours at the latest, and replace it
if necessary!
General instructions for maintenance of the air filter element:
• Store filters 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 discharge slot of the dust valve, clean it and replace it if
necessary
☞ Squeeze the end of the valve with your hand.
• Close and lock the engine cover
Replacing air filter elements
Replace the outside air filter element B as follows:
☞ Stop the engine
☞ Fold the control lever base up
☞ Remove the ignition key and carry it with you
☞ Let the engine cool down
☞ Open the engine cover
☞ Remove dirt and dust from the air filter element and the area around the air filter
☞ Turn the lower housing section E to the left (up to serial number AG03215)
Fig. 18: Indicator for air filter contamination
A
Fig. 19: Removing the housing section (up to serial number
AG03215)
E