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Mercury 50 - Power Trim; Trimming Outboard out (Up) will; Trimming Outboard in (Down) will; Tilting Outboard Manually

Mercury 50
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OWER
TRIM
Keep a tight grip on the steering wheell
tiller handle, especially when changing
speed or trimming boat and outboard. Trim
outboard after reaching cruising speed.
While trimming, steering loads will vary
and will pull in one direction until a bal
-
anced condition has been attained. If the
outboard is trimmed past the balanced
steering condition, the steering
wheell
tiller handle will then have a tendency to
pull in the opposite direction. Excessive
trimming past the balanced steering posi-
tior1 will result in increased steering loads
and, in most boating applications, a de
-
crease in performance.
OPERATION
The rernote control handle is equipped
with a
trinlitilt sw~tch which tilts the out
-
board
OLI~
(up) and in (down). Refer to
QUICKSILVER
SIDE MOUNT REMOTE
CONTROL COMPONENTS.
ACAUTlON
If outboard will be operated in shallow
water with outboard trimmed beyond
20
"
trim limit, follow these precautions:
c
DO NOT operate outboard above
2000
RPM.
When outboard is trimmed beyond
20'
trim limit the swivel bracket will not
have side support.
*
Check that water level is above water
intake ports to avoid overheating or water
pump impeller damage.
Outboard can be trimmed beyond
20" limit
for
launchrng, trailering, shallow water
operation,
etc.. if engine speed does not
exceed 2000 RPM.
To
trim/trlt outboard out (up)
-
push up on
switch.
To
trim/tilt outboard In (down)
-
push
down on switch.
To
trim/tilt outboard beyond 20
"
limit
-
decrease engine speed to less than 2000
RPM and push up on switch
Trimming Outboard Out (Up) Will:
Lift bow of boat
Generally increase top speed
Transfer steering torque harder to left on
standard or slightly elevated transom
height installations.
lncrease clearance over submerged
objects.
In excess, cause porpoising and/or ven
-
tilation.
Cause overheating if trimmed out (up)
beyond water pickup.
AWARNING
Some high speed hulls may become un
-
stable if outboard is trimmed too far out
(up). To correct such instability, reduce
power GRADUALLY and trim outboard
downhn before resuming high speed. Cut
-
ting power too quickly may momentarily
create even greater instability.
POWER
TRIM
(Continued)
Trimming Outboard In (Down) Will:
Result in quicker planing off, especially
with heavy loads.
Generally improve ride in choppy water.
lncrease right hand steering torque
Improve acceleration at planing speeds.
In excess, cause boat to veer to left or
right (bow steer).
AWARNING
Unsafe steering conditions may result at
high speeds with the outboard trimmed all
the way in (down). Test your boat for
changes in handling whenever trim angle
is changed.
CHECKING OIL LEVEL
Check power trim oil level periodically as
follows:
ACAUTION
DO NOT open fill screw while outboard is
in (down) position. The reservoir is under
pressure and oil may blow out of fill hole.
Tilt outboard
is
full out (up) position and
engage tilt
lock lever (Refer to OUT
-
BOARD MOTCIR INSTALLATION.)
1
Remove f! I cap from trim pump reser-
volr
2
Fluid level should be to bottom of
threads in fill
t;ole; if not, add Quicksilver
Power Trim
&
Steering Fluid or; Automo
-
tive Transmission Fluid (ATF) Type F, FA
or Dexron
II
Reinstall fill cap
TILTING OUTBOARD MANUALLY
Should the power
trln system become
inoperatwe, the outboard can be manually
t~lted, as follobs.
3
Rotate man~lal tilt release valve
2-3
turns
to the left (counterclockwise).
4
Grasp outboard using
"
finger grip
wells
"
at rear
of
top cowl and tilt outboard
either up or down manually. Rotate manual
tilt release valve full right to hold outboard
at desired tilt position.
ACAUTION
Before operating outboard manual release
valve must be
turned fully clockwise.

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