Tecumseh H30-40 - Manual (Page 14)

Page 12 Four-Cycle Engine • Horizontal Crankshaft • Air-Cooled 181-789-14
VI. Stopping Your Engine and
Short-Term Storage
Stop engine according to equipment manufacturer’s
instructions.
To avoid unsupervised operation of
an engine, especially by children,
NEVER leave it unattended when it is running. Always turn
off the engine after use and remove ignition key, if
provided.
Never store the engine with fuel in
the fuel tank inside a building with
potential sources of ignition such as hot water and space
heaters, clothes dryers, electric motors, etc.
VII. Maintenance
An adult should perform
maintenance on this engine.
Only allow children to perform maintenance if an adult has
determined they are experienced and capable of such
operation.
To prevent accidental starting when
working on equipment always:
• Disconnect spark plug wire and keep it away from
spark plug. See “G. Avoid Accidental Starts”
instructions on page 2. See Figures 28 and 29.
• Keep the disconnected spark plug wire
securely away from metal parts where arcing
could occur.
• Attach the spark plug wire to the grounding
post, if provided.
• Disconnect battery at negative terminal first, if
engine is equipped with an electric starter.
• Turn off all engine switches.
• Remove ignition key, if provided.
A. Checking and Changing Oil
To avoid engine damage, it is important to:
• Check oil level before each use and every 5
operating hours. See A. “Checking Oil Level”
instructions on page 4.
• Change oil after first 2 operating hours and every 25
operating hours thereafter; more often if operated in
extremely dusty or dirty conditions. Engine should
still be warm but not hot from recent use.
1. Be sure you find the correct drain plug location, if pro-
vided. See Figures 30, 31 and 32.
2. Disconnect spark plug wire and keep it away from
spark plug. See “G. Avoid Accidental Starts” instruc-
tions on page 2. See Figures 28 and 29.
• Keep the disconnected spark plug wire securely
away from metal parts where arcing could occur.
• Attach the spark plug wire to the grounding post, if
provided.
! WARNING
! WARNING
! WARNING
! WARNING
Figure 28. Disconnecting/Connecting Spark Plug
Figure 29. Typical Spark Plug Connection