B. filling oil sump, I. oil fill cap with dipstick, Be sure engine is upright and level – Tecumseh H30-40 User Manual
Page 7: Wipe away any spilled oil, Ii. oil fill cap without dipstick (oil fill plug), Clean area around oil fill plugs. see figure 9, Unscrew oil fill plug, C. engine stop switch, Oil fill plug, Carburetor
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