C-Series Book - Industrial Engine Service

8 TROUBLESHOOTING
8
ENGINE WON’T START
No Ignition Spark
1. Low oil pressure switch tripped –
reset switch.
2. Low oil level – refi ll crankcase with
proper motor oil to full level.
3. Low water level switch in shutoff
position – refi ll cooling system with
coolant to proper level.
4. Damaged ignition wire or terminals –
replace.
5. Faulty Ignition
6. Faulty spark plug – remove and
replace.
No Fuel
1. Be sure the fuel gas is turned on
at the main valve and that there is
gasoline in the fl oat bowl, if furnished.
2. Be sure the fuel hose is not kinked or
stopped up, and is of suffi cient size as
to not restrict the flow of fuel gas.
No Compression
1. Be sure compression release is in
down position.
2. Stuck valve-remove valve cover and
check valves to see that both are
opening and closing while turning
engine over. Often a stuck valve may
be freed up by spraying with light oil
and tapping with a small hammer. If
this doesn’t work, the head will have
to be removed.
3. Valve adjustment backed off - readjust
valves to .020 clearance.
4. Valve burned - remove head and
recondition.
Engine Flooded
1. Remove spark plug – turn engine
over several times with compression
release in down position to blow
surplus fuel out cylinder – clean plug
and reinstall.
2. Try cranking engine with fuel shut off
to clear cylinder of remaining fuel.
3. Start engine in usual manner.
1-800-331-3662 ARROW ENGINE COMPANY
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