PROPELLER
Repair
If your propeller hits a solid object, the impact is par-
tially absorbed by the rubber bushing in the hub to
help prevent damage to the engine. A strong impact
can damage the hub and propeller blades. Damage
to blades can cause unusual and excessive vibra-
tion. Damage to the hub can cause excessive en-
gine RPM with little forward movement.
WARNING
To avoid accidental starting of engine while
changing propellers, twist and remove the
spark plug lead.
IMPORTANT: Avoid or limit operation using a dam-
aged propeller. Carry a spare propeller.
IMPORTANT: Apply Triple-Guard grease to the en-
tire propeller shaft before installing the propeller. At
least annually, remove the propeller and check for
debris. Clean the shaft and regrease it before rein-
stalling a propeller.
Keep your propeller in good condition. Use a file to
smooth slight damage to blade edges. See your
DEALER for repair of serious damage.
Supplies
Installation
A spare drive pin and cotter pin are located inside
the front lower engine cover. Always carry a supply
of extra drive pins and cotter pins.
•
Drive pin into propeller shaft. A new pin can be
used to remove a damaged pin.
•
Hub – Slide onto propeller shaft making sure it
seats on drive pin.
ANTICORROSION ANODES
•
•
•
Shock absorber – Slide onto hub.
Position propeller onto shock absorber.
Cotter pin – Install new pin through propeller and
shaft. Spread ends of cotter pin to secure the as-
sembly.
Your motor is equipped with one or more anodes
that protect it from galvanic corrosion. Refer to Fea-
tures section for anode location. Disintegration of
the anode is normal and indicates it is working.
Check each anode periodically. Replace anodes
smaller than 2/3 their original size. See your DEAL-
ER for replacements.
1
2
3
1
1.
2.
3.
4.
Drive pin
Hub
Shock absorber
Cotter pin
1.
Anode
Galvanic corrosion destroys underwater metal
parts and can occur in fresh or salt water; however,
salt, brackish, and polluted waters will accelerate
corrosion.
Metal-based antifouling paint on the boat or motor
and the use of improperly installed shore power in
the area of your moored boat will also accelerate
corrosion.
IMPORTANT: NEVER paint the anode, its fasten-
ers, or its mounting surface. Painting will reduce its
corrosion protection.
Maintenance - 31
| Categories | BRP Brand Manuals, Johnson 2-Stroke Manuals, Johnson Brand Manuals, Johnson Outboard Manuals |
|---|---|
| Document Type | Boat Motor Manual. Marine Operator's Engine Guide. |
| Tags | Johnson 3.5 hp, Johnson R |
| Model Year | 2004 |
| Download File |
|
| Document File Type | |
| Publisher | johnson.com |
| Wikipedia's Page | Johnson Outboards |
| Copyright | Attribution Non-commercial |
(0 votes, average: 0 out of 5)