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Craftsman 247.77661 Manual Del Operador página 20

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Idiomas disponibles

Idiomas disponibles

Service Spark Plug
1.
Clean the spark plug and reset the gap to .030" at least once a
season or every 50 hours of operation.
2.
Clean the area around the spark plug. Remove and inspect the
spark plug.
3.
Replace the spark plug if the electrodes are pitted, burned or the
porcelain is cracked.
NOTE: Contact a Sears Parts and Repair Center or 1-800-4-MY-
HOME® for a replacement spark plug, Champion® part number
RJ19LM.
4.
Check the electrode gap with a wire feeler gauge and reset the
gap to .030 inches. See Figure 26.
2
1
1.
.030 (.76 mm) Gap
2.
Electrodes
3.
Porcelain
NOTE: Do not sand the spark plug. The spark plug should be cleaned
with a wire brush and a commercial solvent.
Clean Engine
1.
Clean the engine periodically, by removing dirt and debris with a
cloth or brush.
NOTE: Cleaning with a forceful spray of water is not recommended as
water could contaminate the fuel system.
2.
To ensure smooth operation of the engine, keep the governor
linkage, springs and controls free of debris.
3.
Every 100 hours of operation, remove combustion deposits from
top of cylinder, head, top of piston and around valves.
WARNING
Do not at any time make any adjustments without first stopping
the engine, disconnecting spark plug wire and grounding it against
the engine. Always wear safety glasses during operation or while
performing any adjustments or repairs.
SERVICE AND MAINTENANCE
3
Figure 26
HOSE CLAMPS
Before each use check all the hose clamps to see if they are tight.
FLEXIBLE PUMP COUPLER
The flexible pump coupler is a nylon "spider" insert, located between
the pump and the engine shaft. Over time, the coupler will harden
and deteriorate. If you detect vibration or noise coming from the area
between the engine and the pump contact a Sears Service Center. If
the coupler fails completely, you will experience a loss of power.
TIRES
The maximum pressure for the tires is 30 psi. Do not exceed the
manufacturer's recommended psi under any circumstances. Maintain
equal pressure on all tires.
Excessive pressure when seating beads may cause the tire/rim
assembly to burst with force sufficient to cause serious injury. Refer
to sidewall of the tire for the recommended pressure.
20
WARNING

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