Lesson 3/Learning Event 1
Air Cleaner
When you inspect the air cleaner, check it for dirt and service it as required. The air cleaner and
the service of it will differ according to the engine with which the pump is equipped.
MS 1A08-1 Gasoline Engine
Some 50-GPM pumps are equipped with an MS 1A08-1 gasoline engine. This engine has an oil
bath air cleaner. To service the air cleaner on this type engine (MS 1A08-1):
Unlock the two clamps holding the lower cup.
Empty oil from the lower cup and clean the cup, screen, packing, and element in dry-
cleaning solvent. Dry with compressed air. If compressed air is not available, let the
parts air dry until free of solvent.
WARNING
Dry-cleaning solvents that are used to clean parts are potentially dangerous.
Avoid repeated and prolonged skin contact. Do NOT use near open flame or
excessive heat. The flash point of the solvent is 100€ F. 138€ F./38€
C.-60€ C.
Wipe the inside of the air cleaner body and cover.
Fill the cup with clean oil to the full mark and reinstall on the air cleaner body. Lock the
two clamps to hold the cup to the air cleaner body.
MS 1A08-3 Gasoline Engine
To service the air cleaner on the MS 1A08-3 gasoline engine, first check the service indicator. If
the service indicator shows red, the air cleaner needs servicing. To service the air cleaner:
Loosen the two bolts which hold the air cleaner body to the cover.
Remove the element from the air cleaner body. Remove dirt or debris from the element
by blowing compressed air from the clean side to the dirty side of the element. If
compressed air is not available, wash the element with detergent and water and dry the
element
WARNING
Do NOT wash the element in a cleaning solvent.
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