Maintenance & Adjustments
6
18
Maintenance
WARNING!
Before performing any maintenance or
repairs, disengage blades, stop engine and remove
key if so equipped to prevent unintended starting.
Engine
Refer to the Engine Owner’s Manual for all engine maintenance
procedures and specific instructions pertaining to your engine.
For illustrative purposes, the Briggs & Stratton engine is shown in
the figures below.
NOTE:
Maintenance, repair, or replacement of the emission
control devices and systems which are being done at owner’s
expense may be performed by any engine repair establishment
or individual.
Changing the Engine Oil
WARNING!
If the engine has been recently run, the
engine, muffler and surrounding metal surfaces will
be hot and can cause burns to the skin. Exercise
caution to avoid burns.
1.
Run the engine for a few minutes to allow the oil in the
crankcase to warm up. Warm oil will flow more freely and
carry away more of the engine sediment which may have
settled at the bottom of the crankcase. Use care to avoid
burns from hot oil.
2.
Remove the upper star knob and carriage screw on the
right side of the handle. See Fig. 6-1.
3.
Pivot the support tube forward to allow room to connect
the oil drain hose to the oil drain valve. See Fig. 6-1.
4.
Pop open the protective cap on the end of the oil drain
valve to expose the drain port. See Fig 6-2.
5.
Remove the oil fill cap/dipstick from the oil fill tube.
6.
Push the oil drain hose (packed with this manual) onto the oil
drain port. Route the opposite end of the hose into an
appropriate oil collection container with at least a 2.5 quart
capacity, to collect the used oil.
7.
Pinch the tabs on the oil drain valve, then pull outward to
begin draining oil. See Fig 6-2.
8.
After the oil has finished draining, push the end of the oil
drain valve back in, until the tabs click into place. Re-cap
the end of the oil drain valve to keep debris from entering
the drain port.
9.
Refill the engine with new oil. Refer to the Engine Owner’s
Manual for information regarding the volume and weight
of engine oil.
Air Cleaner
Service the pre-cleaner and cartridge/air cleaner element as
instructed in the Engine Owner’s Manual.
Spark Plug
The spark plug should be cleaned and the gap reset once a
season. Refer to the Engine Owner’s Manual for correct plug type
and gap specifications.
Oil Fill Cap/Dipstick
Figure 6-2
B
A
Oil Drain
Valve
Figure 6-1
Summary of Contents for TB WC33 XP
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