Wacker Neuson BS 50-4, Repair Manual

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Guide Handle and Engine Rammer Repair
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3. Guide Handle and Engine
3.1 Air Cleaner (BS 500/600/700/650, DS720)
See Graphic: wc_gr001307rm
The rammer is equipped with a dual element air cleaner. Under normal
operating conditions the elements will not require scheduled cleaning
and should not be removed from the rammer. If the elements do
become plugged with dirt, the engine will begin to lose power. If this
occurs, the air cleaner elements can be removed and cleaned using
the following procedure. Replace an element if it becomes so plugged
with dirt that it can no longer be cleaned.
NOTICE:
NEVER run the engine without the air cleaner. Severe
engine damage will occur.
NEVER use gasoline or other types of low flash point solvents for
cleaning the air cleaner. A fire or explosion could result.
3.1.1 Remove the air cleaner cover (a) by turning the handle
counterclockwise until the cover becomes loose and can be lifted out
of the mount.
3.1.2 Remove the precleaner (c) and the paper element (b) and inspect
them for holes or tears. Replace the precleaner and the paper element
if they are damaged.
3.1.3 Tap the paper element lightly to remove excess dirt. Replace the paper
element if it appears heavily soiled.
3.1.4 Clean the precleaner with low-pressure compressed air. When heavily
soiled, wash the precleaner in a solution of mild detergent and warm
water. Rinse the precleaner thoroughly in clean water and allow it to
dry before reinstalling.
Note:
Do not oil the precleaner.
3.1.5 Wipe out the filter housing (e) with a clean rag.
NOTICE:
Do not allow dirt to get into the engine intake port while
cleaning. Damage to the engine will result.
WARNING