RD 27 Maintenance
wc_tx000815gb.fm 61
5.7 Cleaning the Air Cleaner and Primary Air Filter Element
Prerequisites
Machine shut down
Source of clean, dry, and low-pressure (less than 207 kpA (30 psi)) compressed
air
Background
The air intake system is equipped with a filter indicator (a), which indicates when a
filter change is required. The primary air filter element can be cleaned and reused
up to six times; after that it must be replaced.
Procedure
Follow the procedure below to clean the primary air filter element.
1. Remove the cover (b) from the air filter housing.
2. Remove the primary air filter element (c) from the air filter housing.
3. Clean inside of the air filter housing.
4. Clean the primary air filter element with low-pressure (207 kpA (30 psi))
compressed air. Blow the air through the primary air filter element from the
inside to the outside.
5. Hold the primary air filter element up to the light or pass a lamp through the
middle to check the condition of the element.
NOTICE:
Do not re-use a damaged primary air filter element. Replace it even if damage is
very slight.
Do not tap or strike the primary air filter element to clean it.
Do not wash the primary air filter element.
6. Re-install the primary air filter element (c).
7. Reassemble the cover (b), positioning the breather (d) so that it is not
obstructed.
8. Push the black rubber button (several times if need be) on top of the filter
indicator to reset it.
WARNING
Fire hazard.
f Never use gasoline or low flash-point solvents for cleaning the air filter.
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