Replacing air filter elements. Wacker Neuson 803

Replacing air filter elements

D

E

Fig. 158: Removing the housing section

G

B

Fig. 159: Removing the air filter element

Maintenance

Replacing the primary air filter B:

☞ Stop the engine.

☞ Raise the lock lever.

☞ Remove the starting key and carry it with you.

☞ Let the engine cool down.

☞ Open the engine cover.

☞ Remove dirt and dust from the air filter housing and the area around the air filter.

☞ Fold bow clips D on lower housing section E to the outside.

☞ Remove lower housing section E .

☞ Carefully remove primary filter B with slightly turning movements.

☞ Ensure that all dirt (dust) inside the upper and lower housing sections E , including dust valve G , has been removed.

☞ Clean the parts with a clean lint-free cloth, do not use compressed air.

☞ Check the primary air filter for damage, only install intact air filters.

☞ Carefully insert the new primary air filter B in the upper housing section.

☞ Position lower housing section E (ensure that it is properly seated)

☞ Close bow clips D .

Important

Ensure that dust valve G shows downward once it is installed.

OM803us – Edition 3.1 *803b520.fm

5-13

Maintenance

5.7

Air filter (from serial no. AI00876)

A

Fig. 160: Indicator for air filter contamination

NOTICE

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 according to the maintenance plan.

• Never reuse a damaged filter cartridge.

• Ensure cleanliness when replacing the filter cartridge.

The air filter elements must be replaced:

• If “Service” (red mark) is displayed on fouling indicator A .

• According to the maintenance plan.

NOTICE

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 aluminium mills, chemical plants, other nonferrous-metal plants and in environments with increased dust development.

• Check the air filter element every 50 service hours at the latest, and replace it if necessary.

General instructions for air filter maintenance:

• Store air filters in their original packaging and in a dry place

• Do not knock the air filters against other objects as you install them

• 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 the discharge slot of the dust valve D , clean it and replace it if necessary.

☞ Squeeze the end of the dust valve D .

• Close and lock the engine cover.

Fig. 161: Dust valve

D

5-14

OM803us – Edition 3.1 * *803b520.fm