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Unscrew the breather valve 2 one turn; remove the plug 3 to drain the oil.
TO ADD OIL
Unscrew the breather valve 2 one turn.
Add the oil via the opening of the breather valve 2 until the oil level reaches the middle
level on the sight gauge. Close the breather valve 2.
Add some more oil to the tank; remove the return cover 1, until the oil level reaches the
required level on the sight gauge. Close the breather valve 2, and reinstall the return cover 1.
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