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PAGE 20 — HHXG5 RIDE-ON TROWEL • OPERATION MANUAL — REV. #1 (10/25/10)
ENGINE COMPONENTS (GASOLINE)
Figure 5. Engine Components (Gasoline Engine)
The following refer to the basic engine components for
reference (Figure 5). Refer to the manufacturer's engine
manual for instructions and details of operation and
servicing. The engine shown above is a Briggs & Stratton
Vanguard GASOLINE engine.
1. Thermostat — Regulates the temperature of the
engine coolant.
2. Oil Filler Cap — Remove to add engine oil.
3. Ignition Coil — Regulates coolant temperature.
4. Electric Starter — Starts engine when ignition key is
rotated to the "START" position.
5. Oil Pan — Holds a maximum of 3.2 quarts (3.0 liters)
of motor oil.
6. Alternator — Provides current to the electrical system
and charges the battery.
7. Spark Plug — Provides spark to the ignition system.
Set spark plug gap to 0.028 ~ 0.031 inch (0.6~0.7 mm).
Clean spark plug once a week.
8. Coolant Temperature Sending Unit — Device that
measures coolant temperature.
9. Governor Lever — This lever restricts engine speed
(high idle or low idle) through a speed control device
linked to the accelerator system.
10. Oil Drain — Used to drain crankcase oil. Always
dispose of used oil and oil filters in an environmentally
safe manner. DO NOT allow used oil to drain onto the
ground or into a water runoff drain.
11. Oil Filter — Prevents dirt and other debris from
entering the engine oil.
12. Oil Dip Stick — Remove to check amount and
condition of oil in crankcase. Lift Seat to access.
13. Oil Pressure Sending Unit — Device that measures
engine oil pressure.
14. Carburetor — Low-emission carburetor equipped with
an idle mixture valve with a limiter which allows
adjustment.
WARNING
Engine components can generate extreme
heat. To prevent burns, DO NOT touch
these areas while the engine is running or
immediately after operating. NEVER operate
the engine with the muffler removed.