INSTRUCTION AND MAINTENANCE MANUAL FOR ... - Jabiru Aircraft
INSTRUCTION AND MAINTENANCE MANUAL FOR ... - Jabiru Aircraft
INSTRUCTION AND MAINTENANCE MANUAL FOR ... - Jabiru Aircraft
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<strong>Jabiru</strong> <strong>Aircraft</strong> Pty Ltd<br />
Instruction & Maintenance Manual<br />
12 TROUBLE SHOOTING<br />
12.1 Troubleshooting Tables<br />
<strong>Jabiru</strong> 3300 <strong>Aircraft</strong> Engine<br />
Hydraulic Valve Lifter Models<br />
12.1.1 Engine Won't Start<br />
Possible Cause Remedy<br />
1) Ignition OFF Switch ON<br />
2) Spark plug gap too large Adjust gap to 0.6-0.7mm or renew plugs<br />
3) Closed fuel tap or clogged filter Open tap, renew filter, check fuel system for<br />
leaks<br />
4) No fuel in tank Refuel<br />
5) Wrongly connected high tension leads Connect as shown on leads<br />
6) Starting Speed too low, faulty or discharged Recharge or replace battery<br />
battery<br />
7) Coil to Magnet gap too wide Adjust to 0.25mm (0.010")<br />
8) High tension leads loose or damaged Check or renew connections<br />
9) Dampness in distributors Thoroughly dry internally<br />
10) Spark plugs damp due to condensation Thoroughly dry both inside and outside of<br />
plugs<br />
11) Plug face wet by fuel due to excessive Dry spark plugs, trace possible faults in fuel<br />
actuation of choke or overflow of carb system or over flow of carb.<br />
12) Float valve dirty or jammed Clean or renew float valve<br />
13) Jets in carb. clogged Clean jets<br />
14) Water in carb. Drain & clean carb.,fuel line & filter. Water<br />
drain fuel tank<br />
15) Insufficient compression Trace pressure loss & repair if necessary<br />
16) Engine damage Inspect oil strainer filter & oil filter for metallic<br />
particles. If present, an engine overhaul may<br />
be necessary.<br />
12.1.2 Engine Idles Unsteadily After Warm-Up Period: Smoky Exhaust<br />
Possible Cause Remedy<br />
1) Choke activated Close choke<br />
2) Float valve dirty, jammed or worn Clean or renew float valve<br />
3) Intake manifold leak Tighten all connections, renew faulty items<br />
12.1.3 Engine Runs Erratically or Misfires Occasionally<br />
Possible Cause Remedy<br />
1) Spark plug failure Check plugs, clean inside & outside, adjust<br />
electrode gap. If necessary, renew plugs<br />
2) Faulty HT leads Dry damp leads, renew damaged leads<br />
3) Faulty ignition unit Renew ignition unit<br />
4) Clogged fuel filter Renew fuel filter<br />
This document is controlled while it remains on the <strong>Jabiru</strong> server. Once this no longer applies the document becomes uncontrolled.<br />
REVISION 0 1 2 3 4 5 6 7 8 9 Dated : Apr 2011 Issued By: DPS Page: 47 of 53<br />
L:\files\Manuals_For_Products\Engine_Manuals\3300_engine_manuals\Hydraulic_Lifters\Working_Copies\JEM3304-9_I&M.doc
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