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Problem: Engine overheats
- Keel cooling only
Sometimes overheating is caused by:
(a) Not fully venting the engine cooling system of air. It is necessary to remove all air from the cooling system -
including the “skin” tanks and (if fitted) the Calorifier and associated piping.
(b) Incorrectly sized “skin” tanks that have been sized for ‘usual’ canal use (rather than maximum engine output
that can sometimes be required) on fast flowing rivers. An additional “skin” tank may need to be fitted; please
refer to our website: Inland waterways - Guidelines: keel cooling tank sizes.
Problem: Transmission noise
Possible Cause Solution
Check gearbox oil level: Top up.
"Singing" propeller: Check with propeller supplier about ‘harmonics’.
Drive plate rattle at tickover: Check engine rpm (must be 850rpm min. in gear).
Worn drive plate: Change.
Propeller shaft hitting the Gearbox half coupling: Move shaft back to give 5mm - 10mm clearance
(Type 12/16 couplings only).
Propeller torsionals causing gears to rattle at low rpm: Fit a torsional flexible coupling such as Centa
type 16 or equivalent.
Problem: Panel rev counter not working (when fitted)
Possible Cause Solution
No W connection to alternator: Check output from ‘W’ connection.
Should be about 9V AC
Wiring fault: Check circuit
Problem: Morse control cable will not fit
Possible Cause Solution
Incorrect fitting: Cables are being fitted the wrong way around,
switch over and fit the opposite way.
Problem: Battery quickly discharges
Possible Cause Solution
High load and insufficient running: Reduce load or increase charging time. Large
domestic battery banks subject to high electrical
loads will take a considerable time to recharge from
a single alternator.
Low electrolyte level: Top up.
Fan belt slipping - black dust in engine compartment, Adjust tension / replace belt with a high temperature
engine compartment temperature too high: type and / or improve engine compartment ventilation.
Alternator defective: Check with Agent.
Battery defective: Replace.
Poor wiring connection: Check wiring system.
1640_Aug_2013.qxd:beta 1660 manual 18/11/13 10:48 Page 46
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