ZF Serie Manual De Uso página 11

7 Output flange
8 Side mounting place
9 Fluid filter
10 Name plate
Figure 7:
1 Input shaft
2 Side mounting surface
3 Fluid dipstick
4 Shifting lever
5 Electric valves
6 Get home «Pos. A»
7 Get home «Pos. B»
4.1 Installation
When mounting the ZF Marine Arco
S.p.A. ZF/ ZFE transmissions, the
following items should be specially
noted:
• Mounting should be done by a spe-
cialist only.
• Arrange the transmission and engine
correctly.
• Align correctly with regard to engine
and propeller shaft.
• Select a suitable damping coupling
between the engine and the trans-
mission.
• Choose adequate cooler.
• Mount the transmission correctly in
the boat.
For detail information see Installation
on Manual.
Type of fluid: ATF (Automatic Trans-
mission Fluid); see chapter 10.1.
5.1 Operation
ll transmissions have been submitted
to a test run before shipment:
During normal operation, the transmis-
sion should only be shifted with the
engine at idle speed.
In emergency cases it is also admis-
sible to shift at higher speeds.
Optimum effectiveness of fluid can
only be assured, if fluid and filter are
changed regularly according to sched-
ule (see chapter 6.1).
Visual checks for leakage should be
made from time to time.
WARNING
Work on the transmission must
only be performed with the engine
and propeller at standstill.
CAUTION
Before the first start-up, the trans-
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Operating Manual ZF/ZFE 25 A - ZF/ZFE 85 IV
mission must be filled with trans-
mission fluid. For filling procedure,
fluid type, quantity and level refer to
chapter 6.1.5 fluid change.
Using the transmission with an in-
sufficient oil level will damage the
gears. An excessive oil level may
cause leakage at the shaft seals
and the transmission breather, and
raise the operating temperature
considerably.
5.1.1 OPERATION
PROCEDURE
Before operating the transmission,
check fluid level (see chapter 6.1.1).
During normal operation, the trans-
mission should only be shifted with
the engine at idle speed. Shifting at
higher engine speed may lead to
overstress of the friction disks of
the coupling and should be avoided
in normal operation.
NOTE: The transmission may be
shifted from forward to reverse in case
of emergency, even at high engine
speed.
«A» and «H» VERSIONS
The transmission is shiftet by actuat-
ing the shifting lever (figure 8) or the
electric valve (figure 9).
SHIFTING POSITIONS (figure 8):
A = Propeller rotation opposite of
engine rotation
N = Neutral position
B = Propeller rotation same as engine
rotation
«IV» VERSIONS
The transmission is shiftet by actuat-
ing the shifting lever (figure 8) or the
electric valve (figure 9).
SHIFTING POSITIONS:
A = Propeller rotation same as engine
rotation
N = Neutral position
B = Propeller rotation opposite of en-
gine rotation
CAUTION
CAUTION
CAUTION
WARNING
Start engine with transmission in
neutral only.
Operating temperature of the transmis-
sion: 55÷80°C.A connection for a tem-
perature probe has been provided.
CAUTION
If the fluid temperature is too high,
stop engine immediately and check
transmission fluid level and oil
cooler for proper water flow.
Do not start the engine again until
the malfunction is eliminated.
NOTE: «Get-home» (ZFE only).
In case of no electric supply to electric
valves; manual engagement of the
clutch «A» or «B» can be operated
manually:
- Tighten the «get home screw» using
an allen wrench n° 3 (figure 10).
5.1.2 MOVING IN TOW
OR ANCHORING
When the boat moves in tow or is
anchored, the propeller may turn with
the water current.
This represents no danger for the
transmission. In a boat with two en-
gines, the propeller of the unused
transmission may idle freely.
When the engine is off, the position of
the shifting lever is irrelevant.
WARNING
Do not work on the transmission
when being towed, or anchoring in
a river because the propeller may
rotate.
WARNING
Do not work on the transmission in
a twin engine boat, when one unit
is under power.
The propeller shaft of the inopera-
tive transmission will rotate.
WARNING
When the engine runs idle, but the
propeller shaft should not be driven
(such as when charging the battery
with the generator), the shifting le-
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