Subaru Robin SP170 - Manual (Page 17)

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! WARNING Flame Prohibited
6. CLEANING AIR CLEANER
A dirty air cleaner element will cause starting difficulty, power loss, engine malfunctions, and shorten engine life extremely.
Always keep the air cleaner element clean.
1. Urethane Foam Element Type
Remove the element and wash it in a solution of mild detergent and warm water.
Then rinse the element thoroughly in clean water. Allow the element to dry thoroughly.
Apply a tablespoon (6cc) of motor oil to the clean and dry foam element and squeeze
the element several times to distribute the oil evenly throughout the foam. Then squeeze
the foam element in a paper towel to absorb any excess oil. Clean the air cleaner housing
and replace the foam element, air cleaner cover and thumb screw.
2. Dual Element Type
Wash and clean the foam with a solution of mild detergent and warm water.
After cleaning, let dry. Oil the foam as described above.
Clean paper element by tapping gently to remove dirt and blow off dust. Clean the
paper element at least every 50 hours of operation, and replace element set at
least every 200 hours.
NOTE:
Clean and replace air cleaner elements more often when operating in dusty environments.
Replace the element if dirt or dust can not be removed and/or the element is
deformed or deteriorated.
7. FUEL HOSE REPLACEMENT
Replace the fuel hose every 2 years. If fuel leaks from fuel hose, replace the fuel hose
immediately.
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! WARNING
Take extreme caution when replacing fuel hose :
gasoline is extremely flammable.