Installation manual
VELVET
DRIVE
TRANSMISSIONS
fl4l:'''''l
n
n
FORWARD
NEUTRAL
REVERSE
,
TRANSMISSION
ACTUATING
LEVER
POSITIONS
DAILY
OPERATION
o
Check
the
transmission
fluid.
o
Visually
check
the
gear
shift linkage
and
transmission.
o
Start
the
engine
in
neutral.
Allow a
few
minutes
at
idle
for
the
fluid
to
W81ID.
NOTE:
Too
Iowan
idle
speed
will
produce
a
chattering
noise
from
the
transmission
gear and
damper
plate.
In
such
cases
the
idle
speed
should be
increased.
o
Shift
into
gear.
A
CAUTION:
Shifting
gears
above
1000
rpm
can
cause
damage
to
the
engine
damper
plate.
Pufling
the
throttle
back
to
idle
when
shifting
gears
wiff
save
wear
on
the
transmission
and
the
damper
plate;
INSPECTION
o
Visually
check
for
oil
leaks
at the hydraulic connections.
Check
for
wear
on
the
hydraulic lines
and
replace if
worn.
o
Lubricate
the
detent
ball
and shift cable attachments.
o
Inspect
the
shift
linkage.
o
Inspect
the
transmission
bolts; retorque if
necessary.
A
CAUTION:
Clutch
failure
will
occur
if
the
transmis-
Sion
shift
lever
does
not
fully
engage
the
detent
ball
pOSitions.
CHANGING
THE
TRANSMISSION
FLUID
After
the
initial
50
hour
change,
the transmission
fluid
should
be
changed
at
every
300
operating hours thereafter
or
at
win-
ter
haul-out.
However,
the
fluid
must be changed whenever
it
becomes
contaminated,
changes
color,
or
smells
rancid.
o
Remove
the
oil
filler
cap
and dipstick.
o
Remove
the
oil
cooler
return line and
allow
the
,,11
to
drain
into
a
container.
o
Reconnect
ti1e
oil
cooler
re(um
line.
o
Use
a
suction
pump
to
remove the transmission oil
through
the
filler
cap/dipstick
hole.
r
o
Clean
off
the
transmission
and
properly
dispose
of
the
used
fluid.
o
Refill
the
transmission
with
DEXTRON
III
ATF.
The
quantity
will
vary
depending
on
the
transmission model
and
the
installation
angle.
Fill
through
the
dipstick
hole.
D
Check
the
dipstick
for
the
proper
fluid
level.
D
Replace
the
oil
filler
cap
and
dipstick.
(press the dipstick
into
place
and
turn
clockwise
until
finger-tight.)
D
Run
the
engine,
shutdown
and
recheck the fluid
level.
A
WARNING:
Never
pull
out
the
dipstick
while
the
engine
Is
running.
Hot
fluid
will
splash
from
the
dipstick
hole.
This
could
cause
severe
burns.
Oil
Capacity
Approximately
2.5
quarts
(2.36
liters)
will
fill
most
transmis-
sions
to the
oil
level
fill
mark
on
the
dipstick.
Many
variables
have a direct
relationship
to
the
oil
capacity.
Additional oil
will
be
required
to
fill
the
oil.cooler
and
the
cooler
lines.
The
angle
of installation
will
make
a difference in the
quantity
of
°
oil
required
to
fill
the
transmiSSion.
D1PSTlCK
O
----+:
MAKE
CERTAIN
THE
RUBBER
SEAL
IS
SCREWED
TlGHTTOTHE
HANDLE
Oil
Temperature
FLUID
LEVEL
A
maximum
oil
temperature
of 190'F (88'C)
is
recom-
mended.
Discontinue
operation
anytime
sump
oil
tempera-
ture
exceeds
230'F (1l0'C).
PRESSURE
GAUGE
An
optional
mechanical
pressure
gauge
can
be
installed
at
the
control
panel
to
constantly
monitor
the
pressure
of
tl1e
transmission
fluid.
A
nOffi1a1
reading
at
2000
rpm
in
forward
gear
should
indicate
95
-
120
Ib-in'
(6.7
-
8.4
kg-cm')
and
be
constant.
Engines
&
Gimerators
45