IGNITION SYSTEM
SERVICE MANUAL NUMBER 26
Distributor Cap and Rotor
1.
2.
3.
4.
Loosen distributor cap retaining screws.
Remove distributor cap.
Clean cap with warm soap and water and blow off with compressed air.
Check cap contact for excessive burning or corrosion. Check center contact for
deterioration.
IMPORTANT: Distributor caps (for marine use) should have brass contacts, alumi-
num contacts should not be used.
5.
Check cap for cracks or carbon tracks using magneto analyzer.
Remove rotor.
6.
7.
Check for burned or corroded center contact.
Check rotor for cracks and carbon tracks using magneto analyzer.
Install rotor on shaft. Be sure rotor is completely seated on shaft.
Place cap on distributor.
8.
9.
10.
11.
Tighten retaining screws securely.
Distributor Installation
Engine Not Disturbed
1.
2.
Install new gasket on distributor housing.
Turn rotor approximately 1/8 turn in a counter-clockwise direction past mark previously
scratched on distributor housing.
3.
Work distributor down into position in engine block with distributor positioned as noted
during removal.
IMPORTANT: It may be necessary to move rotor slightly to start gear into mesh
camshaft gear, but rotor should line up with mark when distributor is down in place.
Distributor shaft must enter oil pump shaft for complete installation.
4.
Replace and tighten distributor hold-down bolt and clamp. Connect primary lead to coil.
Also install spark plug and coil secondary wires, if removed.
IMPORTANT: Wires must be installed in supports, to prevent cross-firing. Firing
order is 1-3-4-2.
5.
6.
7.
Install rotor.
Time ignition as outlined under “Ignition Timing,” in this section.
Replace distributor cap.
Index
Page 4B-8
90-861329--1 MARCH 1999
| Categories | Mercury MerCruiser Manuals |
|---|---|
| Tags | Mercury MerCruiser 181 CID |
| Model Year | 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
(6 votes, average: 5 out of 5)
Marine readers have rated Mercury MerCruiser GM 4 Cylinder 181 cid 3.0L Marine Engines Service Manual Number 26 5.0 out of 5.0 based on 6 product reviews. Thanks for sharing this material. Helps a lot after suffering with bad mechanics. spend too much money and nothing very good
great manual, makes impossible jobs possible. without a manual you can not do the job, a must have.
Great resource. Excellent information provided.
Need help to install automate choke
Need help to instal automate choke