Evinrude 4906B 4HP 1969 Owner's Manual page 236

SHIFT
g
Attaching shift cable, with non-adjustable
nion, to the shirt arm.
in the proper idle range.
way, the throttle MUST be in the idle posi-
tion or the starter
The position of the shift
affect the starting
box models have a means of advancing the
throttle without moving the shift lever into
gear. This device is commonly known as the
"warm-up" lever and may be adjusted
low and fast idle speeds.
7-3 OLD-STYLE DOUBLE LEVER
TROUBLESHOOTING
The following paragraphs
cal sequence of tests,
ments, designed to isolate
problem in the shift box operation.
The procedures
keyed by number
illustrations as an aid in performing
work.
The two-lever shift boxes are fairly sim-
ple in construction
do they fail creating
service more than normal lubrication.
Hard Shifting or
Difficult Throttle Advance
Remove the throttle
the engine. Now, at the shift box, attempt
to move the throttle
lever moves smoothly,
the problem is immediately
Connecting
ruon.
NOT ADJUSTABLE
J
Stating it another
system will not operate.
lever does not
motor circuit. All shift
provide a logi-
checks, and adjust-
and correct
and suggestions
to matching numbered
and operation. Seldom
problems, requiring
and shift control at
or shift lever. If the
without difficulty,
isolated to the
with adjustable
engine. Attempt
is in the throttle
shift box.
shaft between the connector
and the armature
plate may be "frozen", unable to move prop-
erly.
If the problem
engine, the first place to check is the area
where the shift lever extends
trun-
exhaust housing.
or corroded.
placement,
removed.
water entering
the lower unit must be disassembled and the
problem corrected.
If hard shifting
the shift box when the controls are discon-
for nected from the engine, the cables may be
corroded,
of lubrication in the shift box has resulted in
excessive wear, or corrosion.
Unable to Obtain Full Shift Movement
or Full Throttle
Normally,
result of improper
a This area includes connection
and throttle
are
the
trun-
Johnson early model double lever shift
is
box no longer available.
DOUBLE SHIFT LEVER
to identify if the problem
or the shift side of the
The problem may be in the tower
of the throttle
plate or the
with shifting
The bushing may be worn,
If the bushing requires
the engine powerhead
Another cause of hard shifting Is
the lower unit.
See Chapter 8.
is still encountered
and require replacement,
this type of problem
shift box installation.
cables in the shift box.
NEUTRAl
7-3
armature
is at the
through the
re-
must be
In this case
at
or lack
is the
of the shift
If the
,
..•.•.
box. This