Air filter element - checking fouling. Replace according to condition

AP09.10-T-0951A

Air filter element - checking fouling. Replace according to condition

10.3.06

 Danger!

Risk of accident caused by vehicle starting off by itself when engine is running. Risk of injury caused by contusions and burns during starting procedure or when working near the running engine

Secure vehicle to prevent it from moving by itself.
Wear closed and snug-fitting work clothes.
Do not grasp hot or rotating parts.

AS00.00-Z-0005-01A

1

Warm up engine to normal operating temperature

 Approx. 70 to 95 °C coolant temperature.



Checking

2

Check inspection glass (8) of maintenance indicator

 If the red colored field in the inspection glass (8) has latched into place, press the maintenance indicator release (7). This sets the maintenance indicator to the neutral position.

3

Start engine

 Accelerate engine several times briefly up to maximum governed rpm.

4

Check maintenance indicator

 If the red colored field in the inspection glass (8) has latched into place, this indicates that the air filter element (4) is dirty.

5

Turn off engine



Removing

6

Remove air filter element (4)

Model 613 with engine 402, 441, 446, 457 and model 671 with engine 447, 489

AP09.10-T-0980A

Model 671.015/020/021/030/042/332/
333 with engine 457

AP09.10-T-0980AA



Clean

7

Clean air filter element (4)

 An air filter element (4) without perforated plate must not be cleaned, but always replaced. Replace an air filter element (4) that has been cleaned three time sin succession, but no later than every 3 years.

8

Blow out air filter element (4) from inside outwards using compressed air, until dust is no longer blown out

 When conducting this work wear a protective respiratory mask. The maximum pressure may not exceed 5 bar. Hold the compressed air gun at an incline and at a distance to the air filter element (4), to avoid causing any damage.

If this cleaning process should not suffice, the air filter element (4) should also be washed:



Model 613.367 with engine 457.944 and model 613.368 with engine 457.941

Model 613 with engine 402, 441, 446
model 613.358/388 with engine 457.944
model 671 with engine 447, 489 and
model 671.015/020/021/030/042/
332/333 with engine 457.942

AP09.10-T-0980-02A

9

Clean interior, sealing surfaces and seals of air filter housing (5).



Checking

10

Check cleaned air filter element (4) for signs of damage

 To do so inspect air filter element (4) using a hand lamp. A damaged air filter element (4) must be replaced.

11

Mark cleaned area on air filter element (4)

 Indicate that the cleaning process has been conducted by using a water-resistant marker on the front or a sticker on the air filter element (4).



Install

12

Install air filter element (4)

 Check seals are correctly seated.

Model 613 with engine 402, 441, 446, 457 and model 671 with engine 447, 489

AP09.10-T-0980A

Model 671.015/020/021/030/042/332/
333 with engine 457

AP09.10-T-0980AA

13

Actuate release maintenance indicator (7)

 Only necessary, if the red field in the inspection glass (8) on the maintenance indicator has latched into place.

14

Confirm replacement of the air filter element (4) in the maintenance booklet