Service Manual

325/328 Excavator

63 Operation and Maintenance Manual

AIR CLEANER (CONT’D)

Replacing The Filters (Cont’d)

Figure PM-6

Pull the outer filter (Item 1) [Figure PM-6] from the air

cleaner housing.

Check the housing for damage.

Clean the housing and the seal surface. DO NOT use

compressed air.

Install a new filter.

Figure PM-7

Install the dust cup (Item 1) and engage the fasteners

(Item 2) [Figure PM-7].

Check the air intake hose and the air cleaner housing for

damage. Make sure all connections are tight.

Inner Filter

Only replace the inner filter under the following conditions:

• Replace the inner filter every

third

time the outer filter

is replaced.

• After the outer filter has been replaced, press the

button (Item 3) [Figure PM-7] on the top of the

condition indicator and start the engine. Run at full

RPM, then reduce engine speed and stop the engine.

If the red ring shows in the condition indicator, replace

the inner filter.

Figure PM-8

Remove the dust cup, outer filter and inner filter (Item 1)

[Figure PM-8].

NOTE: Make sure all sealing surfaces are free of dirt

and debris.

Install the new inner filter.

Install the outer filter and the dust cup.

Press the button on the condition indicator to remove the

red ring.

P-49414

P-49412

P-49413