Gravely Pro-Walk Hydro 36HR PS Owner's/Operator's Manual page 32

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Figure 27
ENGINE SERVICE
Avoid Fumes
CAUTION: Avoid injury! Engine
exhaust fumes contain carbon
monoxide and can cause serious
illness or death.
Move the unit to an outside area
before running the engine.
Do not run an engine in an enclosed
area without adequate ventilation.
• Connect a pipe extension to
the engine exhaust pipe to
direct the exhaust fumes out
of the area.
• Allow fresh outside air into
the work area to clear the
exhaust fumes out.
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K H
Figure 26
K
Engine Oil
Use oil viscosity based on the expected air
temperature range during the period between
oil changes. See the engine manual for
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correct specifications.
Check Engine Oil Level
See Figure 28.
IMPORTANT: Avoid damage! Failure to
check the oil level regularly could lead to
serious engine problems if oil level is low:
• Check oil level before operating.
• Check oil level when the engine is cold
and not running.
• Keep level between the FULL and the
ADD marks.
• Shut off engine before adding oil.
IMPORTANT: Check oil twice a day if the
engine runs over four hours in a day.
1. Park unit safely. (See PARKING on
page 20.)
2. Allow engine to cool.
3. Clean area around dipstick (A) to
prevent debris from falling into
crankcase.
4. Remove dipstick. Wipe with a clean
cloth.
5. Install dipstick and allow the cap to rest
on the end of the tube. Do not tighten
the cap.
IMPORTANT: Avoid damage! To prevent
extensive engine wear or damage, always
maintain the proper engine oil level. Never
H
operate the engine with the oil level belo w the
ADD mark or over the FULL mark.
6. Remove dipstick and check oil level on
dipstick. Oil must be between the ADD
and FULL marks.
• If oil is low, add oil to bring oil level no
higher than the FULL mark on dipstick.
• If oil level is above the FULL mark,
drain to proper level.
7. Install and tighten dipstick.
EN - 32