Generac Power Systems MC - Manual (Page 27)

TEST 9-OIL MAKE-UP TANK
Check oil level in Oil Make-Up
Tank. If oil level is below OIL
CHANGE LEVEL arrows, fill tank
with recommended engine oil and
recheck for proper start.
TEST 10-LOW OIL SWITCH
Remove Low Oil Switch Cover and
slide it down the Switch wires
to expose the Switch terminals.
Set VOM to "+DC" and to "Rxl"
scale, then zero the meter. Con­
nect one meter test probe to the
lower terminal on side of switch.
Connect remaining test probe to
ground terminal on bottom of the
switch. Move switch actuating le­
ver DOWN (simulated low oil cond­
ition) - meter needle should
swing upscale to ”0”. Raise the
switch actuating lever (FULL con­
dition) - meter needle should
drop downscale to infinity.
Oo
LOW OIL
SWITCH'
ooj
mr^
A METER
V
READS
INFINITY
METER
READS
• 0 "
TEST PROBES
RESULTS:- Switch tests bad..
Switch tests good.
.Replace switch
.Continue tests
A CAUTION
When reassembling Switch cover, make sure float arm is in place
on top of switch actuating lever, or switch will not function.
TEST 11-SPARK PLUG
Remove engine spark plug. With spark plug lead connected to plug, ground
the spark plug against the engine block and crank engine. Spark plug
should emit a sharp, snappy, blue spark,
RESULTS;- Spark Plug bests bad..,.................... Replace Spark Plug
Spark Plug checks good,,,.,,,................. Continue tests
2.2-5