blowby, or loose flywheel. In a two-cycle engine, knocking will be heard from a loose connecting rod
bearing because of the downward pressure on the piston both on the upstroke, compression, and on the
downstroke, combustion. To isolate connecting rod knocks, hold down on the injector plunger, cutting
out injection on the cylinder suspected; then any loose bearing will be heard.
h. Does not turn over.
(1) Battery and control switches open.
(2) Battery or control fuses blown.
(3) Battery weak.
(4) Electric connections poor.
(5) Engine start switch defective.
i. Turns over but does not fire.
(1) Fuel supply exhausted.
(2) Fuel lines broken or fouled.
(3) Fuel lines airbound.
(4) Fuel filter plugged.
(5) Emergency fuel shutoff closed.
(6) Fuel pump not running; check circuit.
j. Stops.
(1) Fuel supply exhausted.
(2) Fuel line broken or fouled.
(3) Fuel filter plugged.
(4) Lubricating oil pressure low.
94
Previous Page
