Check And Adjust Valve Clearance - DUROMAX XP13000HX Service Manual

MAINTENANCE AND CARE (CONTINUED)

Check and Adjust Valve Clearance

28
The engine intake and exhaust valve clearance should be
checked and if necessary adjusted every 300 hours of use or
12 month period, whichever comes first.
CAUTION: If the valve clearance isn't maintained,
this can cause the engine to run less efficiently
and potentially cause engine damage.
1.
Remove spark plug cap
Pull on spark plug cap to disconnect spark plug from ignition
wire.
2.
Remove valve cover
Remove all 4 valve cover bolts with a 8 mm socket wrench
and remove the breather hose; then remove the valve cover.
3.
Remove spark plug
Remove the spark plug with the provided spark plug wrench.