13
Crankshaft – Inspect/Replace
Inspect the crankshaft oil seal. If the seal is
damaged or shows sign of leakage, replace the
seal.
Inspect the crankshaft bearings. If the bearing is
scored or shows signs of discoloration from
excessive heat, replace the bearing. Coat the
bearing with engine oil before installing.
Check the diameter of the crankshaft journal (1).
A normal diameter is 21.97-21.98mm. If the
diameter is 21.87mm or less, replace the
crankshaft.
When installing the crankshaft, insert it into the
crankcase until the bearing touches the
crankcase without damaging the oil seal.
Cylinder Pressure – Check
Remove the side panel (side with service
access doors) by removing the 2 bolts and
lifting out and away (be careful to avoid
breaking the locating tabs).
Remove the spark plug boot and spark
plug.
Connect the compression gauge as shown
above.
Pull the recoil starter handle several times
and note the cylinder pressure.
If the cylinder pressure is not greater than
or equal to 0.95 MPa (138 psi), refer to the
Troubleshooting section.
Engine Oil Level – Check
Always check the engine oil with the generator
on a level surface and with the engine stopped.
1.
Open the right service door (1). Remove the
oil level gauge (2) and wipe clean.
2.
Check the oil level by re-inserting the oil level
gauge (do not screw in tight).
3.
If the oil level is low (4), add the
recommended engine oil, using the funnel
supplied, until the oil level reaches the upper
mark (3) on the oil level gauge. Use the chart
below to determine which viscosity oil to use.
4.
After adding oil, install and tighten the oil
level gauge (2), and close the service door
(1).
Note: Non-detergent and 2-stroke engine oils will
damage the engine and
must not be used.
Recommended Lubricant Viscosities for
Ambient Temperature
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