LUBRICATION
42
Positive crankcase ventilation valve
The PCV valve is located inside the valve cover. The
function and test procedures for the PCV valve is cov-
ered in Chapter 2: Basic Troubleshooting.
To remove the valve cover and PCV valve:
1. Disconnect and ground the spark plug wire.
2. Squeeze the spring clamp that secures the
breather hose to the valve cover nipple and slide
it back. Then remove the breather hose from the
valve cover nipple.
See Figure 5.9.
3. Remove the four screws that hold the valve
cover to the cylinder head using a 10mm
wrench.
See Figure 5.10.
NOTE: The PCV valve is not serviceable. If it is
faulty, the valve cover must be replaced.
4. Reassemble the PCV and valve cover by follow-
ing the above steps in reverse order..
NOTE: Tighten the cover bolts to a of torqued to
62 - 79.7 in-lbs. (7-9 Nm).
5. Inspect the PCV tubing for cracks, brittleness or
signs of leaking. Replace the PCV tube if any
are found.
6. Test run the engine before returning to service.
Figure 5.9
Breather hose
Pliers
Figure 5.10
10mm wrench
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For Discount White Outdoor Parts Call 606-678-9623 or 606-561-4983
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