and Answers Graded A+
14.7 PSI =? - ANSWER-1 bar= 1 kilopascal = 29.5 inches mercury
5910 890 4501 tool - ANSWER-to remove limitor caps
5910 893 8800 - ANSWER-hook for fuel filter
adaptor flange (instead of carb) - ANSWER-5910 850 4200
atmospheric pressure at sea level - ANSWER-14.7 PSI
Bosch spark plug - ANSWER-WSR6F ("wasser 6 friends?")
carb pressure test? - ANSWER-10 PSI and hold steady
current created by magnet in flywheel? - ANSWER-12000-15000 volts
excessive change in RPM during roll out test? - ANSWER-crankcase air leak/fuel
delivery problems
fail pressure test, check what? - ANSWER-rubber sealing plate, adaptor, spark plug
(spray with soapy water/look for bubbles)
hoses - ANSWER-w 168 R3/ w 104 R5
how many ohms available through Stihl? - ANSWER-10, not 6
how to test impulse signal? - ANSWER-grease on port, move flywheel, moves in and
out
if checks for pressure ok, then what? - ANSWER-check crankshaft seals, seal between
cylinder/crankcase
leaks under vaccum but holds under pressure? - ANSWER-crankshaft seal problem
NGK spark plug - ANSWER-BPMR7A ("bipolar murder in 7 dAys")
pressure right to the right - ANSWER-pressure test
pressure ring to the left - ANSWER-vacuum test