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PAGE 16 — MQ SP2 SLAB SAW — PARTS & OPERATION MANUAL — REV. #7 (09/08/06)
MQ SP2 SLAB SAW — 20HP HONDA ENGINE COMPONENTS
Figure 5. Engine Controls and
Components (Honda GX620TXF2)
1. Engine ON/OFF Switch – ON position permits engine
starting, OFF position stops engine operations.
2. Fuel Tank - Holds unleaded gasoline. For additional
information refer to engine owner's manual.
3. Throttle Lever – Controlled by accelerator pedal,
increases or decreases engine RPM.
4. Choke Knob – Used in the starting of a cold engine or in
cold weather conditions. The choke enriches the fuel
mixture.
5. Oil Sensor Switch – This switch monitors the oil level in
the engine crankcase. In the event of low oil, the engine will
be shut down.
6. Oil Filter – Spin-on type, filters oil for contaminants.
7. Spark Plug – Provides spark to the ignition system. Set
spark plug gap to 0.71 - 0.78 mm (0.028 - 0.031 inch) Clean
spark plug once a week.
8. Fuel Filter – Filters fuel for contaminants.
9. Oil Filler Cap – Remove cap to refill or replace oil with
recommended type as listed in Table 3. Make sure cap is
tightened securely. DO NOT over fill.
12. Oil Dip Stick – Remove to check amount and condition of
oil in crankcase.
13. Starter – Starts engine when ignition key is rotated to the
ON position.
14. Oil Drain Plug – Remove to drain crankcase oil.
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.
10. Air Filter – Prevents dirt and other debris from entering the
fuel system. Unsnap air filter cover to gain access to filter
element.
11. Muffler –Used to reduce noise and emissions.
NEVER
touch the muffler while it is hot! Serious burns can result.
NEVER
operate the engine with the muffler removed.
INITIAL SERVICING
The engine (Figure 5) must be checked for proper lubrication and filled with fuel prior to operation. Refer to the manufacturer's engine
manual for instructions & details of operation and servicing.
D
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