Removal Of Oil Pump; Lubricatingsystem - Husqvarna 181 Workshop Manual

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Lubricatingsystem
Removalof oil pump
Remove the following parts in order to get at the oil pump:
Clutch cover, chain and bar, centrifugal clutch (left-hand threads), clutch
drum. Note the washer between the oil pump drive gear and the main bearing
seal,
Loosen the socket head screws that retain the pump. Use Allen key No.
5025019-01.
Remove the pump from the crankcase by levering around the edges of the
housing with screwdrivers.
Lift the suction hose and oil filter out of the oil tank. Clean the parts and
change any that may be damaged.
Check if there is dirt in the suction channel (A) by rotatin9 the PumP shaft
in both directions. When the pump works properly and is filled with oil, the
oil goes alternately through the suction channel and the compression channel
(B).
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