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PROBLEM: MORSE CONTROL CABLE WILL NOT FIT
Fitting incorrectly Cables are being fitted the wrong way around, switch over and fit the opposite way.
Possible Cause Solution
PROBLEM: VIBRATION
Poor alignment to shaft:
Flexible mounts not adjusted
correctly to take even weight:
Flexible mount rubber perished:
Loose securing nut on flexible
mount:
Insufficient clearance between the
propeller tip and the bottom of the
boat:
Loose zinc anode on the shaft:
Worn cutless bearing or shaft:
Weak engine support/bearers:
The alignment must be accurate even if a flexible coupling is used (see section
3 ALIGNMENT).
Check relative compression of each mount.
Replace. (Diesel or oil will eventually perish most rubbers.)
Check alignment and then tighten the nuts.
There must be at least 10% tip clearance between propeller and bottom of the
boat (ie 10% of the propeller diameter as clearance). Refer to boatbuilder.
Tighten or replace.
Replace.
Check for cracked or broken feet.
Possible Cause Solution
PROBLEM: TRANSMISSION NOISE
Check gearbox oil level:
“Singing” propeller
:
Drive plate rattle at tickover:
Worn drive plate:
Propellor shaft hitting the gearbox
half coupling
Top up.
Check with supplier
.
Check engine rpm (must be 850 rpm minimum in gear).
Change.
Move shaft back to give at least 5mm clearance (type 12/16 couplings only)
Possible Cause Solution
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