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Old 05-05-2016, 05:24   #136
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Re: Hurth / ZF M15A Transmission Failures

ZF's take on this is:
"
3.5 Sailing or moving in tow
Rotation of the propeller while the boat
is sailing, being towed, or anchored in a
river, as well as operation of the engine
with the propeller stopped (for charging
the battery), will have no detrimental ef-
fects on the gearbox.

IMPORTANT
When the boat is sailing (engine
stopped), the gear lever must be in zero
pos-ition. Never put the gear lever in the
pos-ition corresponding to the direction
of travel of the boat.
Locking the propeller shaft by an addit-
ional brake is not required: use the gear
lever position opposite your direction of
travel for this purpose."

However, a "lot of noise" might mean you have a problem.
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Old 05-05-2016, 07:44   #137
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Re: Hurth / ZF M15A Transmission Failures

Yes, putting a zf/hurth gear astern is the acceptable method of stopping the prop.


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Old 06-05-2016, 04:13   #138
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Re: Hurth / ZF M15A Transmission Failures

Thanks Guys
Rgds
Will
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Old 06-05-2016, 05:05   #139
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Re: Hurth / ZF M15A Transmission Failures

Lots of noise in neutral could mean the damper plate is the problem, not the gear box. But you have to remove the gearbox to get to the damper plate.
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