4.5
S
ECTION
4 • B
ILGE
& U
NDERWATER
G
EAR
250 Select EX
Because of the many variables of boat design,
only testing will determine the best propeller for
a particular application. Available propellers are
listed in the Mercury Precision Parts / Quicksilver
Accessories Guide.
E. P
ROPELLER
R
EMOVAL
AND
I
NSTALLATION
S
INGLE
P
ROPELLER
D
RIVE
U
NITS
:
1. Shut off engine, remove key, shift into neutral
and put tape over ignition switch key slot.
2. Straighten the bent securing tabs on the
propeller nut retainer (Fig. 4.5.2).
3. Remove the propeller nut retainer, the thrust hub
and the continuity washer (Fig. 4.5.3) and put
them in a secure place. Pull the propeller straight
off the shaft. Remove the thrust washer that is
behind the propeller. If the propeller is seized
to the shaft and cannot be removed by hand,
special tools are needed. Have the propeller
removed by an authorized dealer or trained
mechanic.
4. Coat the propeller shaft with an anti-seize
lubricant.
5. Install the thrust washer, propeller, continuity
washer, thrust hub, propeller nut retainer and
the propeller nut onto the shaft (Fig. 4.5.3).
6. Secure the propeller nut by bending three (3)
of the tabs of the propeller nut retainer into the
thrust hub grooves.
If engine is started during propeller maintenance,
serious personal injury can occur.
Shut off engine, remove key, shift into neutral, and
put tape over ignition switch key slot.
!
WARNING
Place a block of wood between the anti-ventilation
plate and propeller to protect hands from propeller
blades and to prevent propeller from turning when
tightening propeller nut.
!
WARNING
P
ROPELLER
(F
IG
. 4.5.1)
ANTI-VENTILATION
PLATE
WOOD BLOCK
P
ROPELLER
(F
IG
. 4.5.2)
SECURING TABS
P
ROPELLER
(F
IG
. 4.5.3)
PROPELLER
NUT
CONTINUITY
WASHER
PROPELLER
SHAFT
THRUST HUB
PROPELLER
THRUST
WASHER
PROPELLER
NUT RETAINER
P
ROPELLER
(F
IG
. 4.5.4)
GEAR CASE
WOOD BLOCK
Содержание 250 Select EX
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