23 OPM-171/B
2. Unscrew the lower guard screws (2) and remove the
lower guard (1).
3. Save the anti-vibration plugs (3).
4. Unscrew the screws (4) and remove the fan guard (5).
Using Illustration 2:
1. Loosen the nut (2)
2. Disconnect the fittings (1)(4).
3. Remove the vapor recirculation pipe (3).
Using Illustration 3:
1. Unscrew the nuts (6) and remove the cover (5) of
the blow-by filter, together with the diaphragm valve
and breather pipe.
2. Release the safety circlip (4) and remove the blow-by
filter (1) from the threaded bushing (3) and spindle(2).
3. Replace and install the new blow-by filter on the
spindle (2) with the threaded bushing (3) and secure
with the circlip (4).
4. Fit the cover (5) with the diaphragm valve and
breather pipe. Tighten nuts (6).
5. Fit the oil vapor recirculation pipe, connect the relative
fittings and screw on the nut.
Illustration 1
Illustration 2
1. Remove the air filter cover (4) after having released the
two quick closing hooks (3).
2. Remove the filter (5). During this operation, take care
to ensure that no dust enters the sleeve.
3. Position the filter (5) in its seat.
4. Replace the cover (4) of the air filter and lock it in place
using the two quick release hooks (3).
CHECKING WATER IN PRE-FILTER
WARNING: EQUIPMENT DAMAGE
Clean the exhaust valve prior to checking the pre-filter to
reduce the risk for system contamination.
Do NOT perform while the engine is running.
1. Place a container for collecting liquids under the
pre-filter (2).
2. Unscrew the plug (1) located at the bottom of the filter.
3. Drain the fluid until only fuel comes out.
4. Fully hand-tighten the plug.
5. Dispose of liquid in accordance to local codes. DO NOT
dispose or allow liquid to seep into the ground or
sewer systems, doing so will cause environmental
damage.
CLEANING RADIATOR
The surfaces of the radiator come into contact with the
outside air and can be subject to deposits and impurities.
Clean in accordance to the maintenance schedule with
compressed air or steam.
REPLACING BLOW-BY FILTER
Do NOT perform while the engine is running.
Using Illustration 1:
1. Remove the belt guard.
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