Tomahawk TPC170H - Spark Plug; Engine Oil

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4.4 Spark Plug (Fig. 5)
Clean or replace the spark plug as needed to ensure proper operation. Refer to the engine
owner's manual.
The muffler becomes very hot during operation and remains hot for a while aer stopping
the engine. Do not touch the muffler while it is hot.
NOTE: Refer to the Technical Data for the
recommended spark plug type and the electrode gap
setting (page 6).
4.4.1 Remove spark plug and inspect it.
4.4.2 Replace plug if the insulator is cracked or
chipped.
4.4.3 Clean spark plug electrodes with a wire brush.
4.4.4 Set the electrode gap (a).
4.4.5 Tighten spark plug securely.
4.5 Engine Oil (Fig. 6)
4.5.1 Drain oil while the engine is still warm.
4.5.2 Remove the oil fill plug (a) and drain plug (b) to
drain oil.
4.5.3 Install drain plug.
4.5.3 Fill the engine crankcase through the oil
opening (b), to the upper mark on the dipstick (c).
Do not thread in the dipstick to check the level. See
Technical Data for oil quantity and type (page 6).
4.5.4 When the crankcase is full, reinstall the
dipstick.
NOTE: In the interests of environmental protection,
place a plastic sheet and a container under the
machine to collect any liquid which drains off.
Dispose of this liquid in accordance with
environmental protection legislation.
a
Fig. 5
Fig. 6
a
b
c
CAUTION
A loose spark plug can become very hot and
may cause engine damage.