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12
10
9
8
7
Figure 3. Engine Components
INITIAL SERVICING
The engine (Figure 3) must be checked for proper
lubrication and filled with fuel prior to operation. Refer to the
engine manufacturer's manual for instructions and details
on operation and servicing.
1. Throttle Lever — Use to adjust engine RPM speed
(lever forward—SLOW, lever backward—FAST).
2. Fuel Filler Cap — Remove this cap to add unleaded
gasoline to the fuel tank. Make sure the cap is tightened
securely. DO NOT overfill.
DANGER
Adding fuel to the tank should be done
only when the engine is stopped and has
had an opportunity to cool down. In the
event of a fuel spill, DO NOT attempt to
start the engine until the fuel residue has
been completely wiped up, and the area surrounding
the engine is dry.
3. Fuel Tank — Holds unleaded gasoline. Refer to the
engine owner's manual for additional information.
4. Engine ON/OFF Switch — ON position permits engine
starting, OFF position stops engine operation.
PAGE 16 — PRO12C HYDRAULIC MIXER • OPERATION MANUAL — REV. #0 (07/16/20)
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COMPONENTS (ENGINE)
5. Recoil Starter (Pull Rope) — Manual starting method.
Pull the starter grip slowly until resistance is felt, then
pull briskly and smoothly to start the engine.
6. Fuel Valve Lever — OPEN to let fuel flow, CLOSE to
stop the flow of fuel.
3
7. Oil Drain Bolt — Remove to drain engine oil from the
crankcase.
8. Oil Dipstick — Remove to check the amount and
condition of oil in the crankcase.
4
9. Choke Lever — Use to start a cold engine, or in
cold weather conditions. The choke enriches the fuel
mixture.
10. Spark Plug — Provides spark to the ignition system. Set
the spark plug gap to 0.7–0.8 mm (0.028–0.031 inch).
Clean the spark plug once a week.
11. Muffler — Reduces noise and emissions.
WARNING
12. Air Cleaner — Prevents dirt and other debris from
entering the fuel system. Remove the wing nut on top of
the air filter canister to gain access to the filter element.
NOTICE
Operating the engine without an air filter, with a damaged
air filter, or with a filter in need of replacement will allow
dirt to enter the engine, causing rapid engine wear.
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.
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