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Mariner Mercury 135 JET User Manual

Mariner Mercury 135 JET
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6A-30 - LOWER UNIT 90-824052R3 JUNE 2002
7. With gear housing in NEUTRAL, pull shift shaft
out of gear housing. If necessary, use a pliers to
pull shift shaft out of gear housing. If pliers are
used to pull shift shaft out, wrap a strip of soft
metal (aluminum) around splines before
clamping pliers. DO NOT turn shaft (clockwise
OR counterclockwise) while pulling shaft out.
(For further information on shift shaft, see “Shift
Shaft Cleaning/lnspection and Disassembly.”)
a
b
51867
c
d
a - Shift Shaft Bushing
b - Shift Shaft
c - “E” Ring (If Equipped)
d - Retaining Ring (If Equipped)
CAUTION
Propeller shaft, cam follower and shift cam, in
most cases, will come out of gear housing by
simply pulling outward on propeller shaft. DO
NOT FORCE shaft sideways or ATTEMPT TO
PULL with a slide hammer or any mechanical
puller.
8. Remove propeller shaft, cam follower and shift
cam by pulling shaft straight out of gear housing.
(DO NOT JERK propeller shaft.) If propeller shaft
will not come out, proceed with Step “a” or “b”,
following:
a. Push propeller shaft back into place against
the forward gear. Visually inspect location of
shift cam by looking down shift shaft hole
(illuminated with a flashlight). If splined hole
in shift cam is visible, reinstall shift shaft and
rotate shift shaft to neutral position. Remove
shift shaft, then remove propeller shaft as
instructed in Step 8, immediately preceding.
b. Push propeller shaft back into place against
forward gear. Slide bearing carrier back into
gear housing (to support propeller shaft).
Place gear housing on its left side (viewed
from rear) and strike upper leading end of
gear housing with a rubber mallet. This will
dislodge the shift cam from cam follower into
a clearance pocket in left side of gear
housing. Remove bearing carrier and pull
propeller shaft out of gear housing.
NOTE: If Step 8-b was used to remove propeller
shaft, the shift cam can be retrieved after removal of
forward gear.
Shift Shaft
CLEANING AND INSPECTION
1. Clean shift shaft and bushing with solvent and dry
with compressed air.
2. Check shift shaft splines on both ends for wear
and/or corrosion damage.
3. Inspect shift shaft for groove(s) at shift shaft
bushing seal surface.
4. Inspect shift shaft bushing for corrosion damage.
5. Inspect shift shaft bushing oil seal for wear and/or
cuts.
NOTE: Oil seal in shift shaft bushing should be
replaced as a normal repair procedure.
6. Check “E” clip and retaining ring (if equipped) for
damage. Replace if damaged.
DISASSEMBLY
1. Remove (and discard) shift shaft bushing oil seal
by prying it out or driving it out with a punch and
hammer.
2. Remove “E” clip and retaining ring if inspection
determines that replacement of shift shaft is
required.

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Mariner Mercury 135 JET Specifications

General IconGeneral
BrandMariner Mercury
Model135 JET
CategoryEngine
LanguageEnglish

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