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CA4HC WALK-BEHIND TROWEL — OPERATION MANUAL — REV. #0 (09/29/06) — PAGE 17
Figure 4. Honda GX120 Engine Controls and Components
INITIAL SERVICING
The engine (Figure 4) 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. The
engine shown above is a HONDA engine, operation for other
types of engines may vary somewhat.
1. Fuel Filler Cap – Remove this cap to add unleaded
gasoline to the fuel tank. Make sure cap is tightened
securely. DO NOT over fill.
DANGER
CA4HC TROWEL— BASIC ENGINE
2. Throttle Lever – Used to adjust engine RPM speed (lever
advanced forward
SLOW
, lever back toward operator
FAST
).
3. Engine ON/OFF Switch –
ON
position permits engine
starting,
OFF
position stops engine operation.
4. Recoil Starter (pull rope) – Manual-starting method. Pull
the starter grip until resistance is felt, then pull briskly and
smoothly.
7. Air Cleaner – Prevents dirt and other debris from entering
the fuel system. Remove wing-nut on top of air filter
cannister to gain access to filter element.
Operating the engine without an air
filter, with a damaged air filter, or a
filter in need of replacement will
allow dirt to enter the engine, causing
rapid engine wear.
11. Oil Drain Plug – Remove this plug to remove oil from the
engine's crankcase.
12. Dipstick/Oil Filler Cap – Remove this cap to determine if
the engine oil is low. Add oil through this filler port as
recommended in Table 4.
13. Output Shaft – Drive power is transferred from the engine
output shaft to the gearbox via a V-Belt pulley drive system.
6. Choke Lever – Used in the starting of a cold engine, or in
cold weather conditions. The choke enriches the fuel
mixture.
10. Fuel Tank – Holds unleaded gasoline. For additional
information refer to engine owner's manual.
9. Muffler – Used to reduce noise and emissions.
8. Spark Plug – Provides spark to the ignition system. Set
spark plug gap according to engine manufacturer's
instructions. Clean spark plug once a week.
NOTE
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.
5. Fuel Valve Lever – OPEN to let fuel flow, CLOSE to stop
the flow of fuel.
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