EasyManua.ls Logo

Ford 3930 - Road Speed Decal; Reduction Gear Set

Ford 3930
126 pages
Print Icon
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Loading...
SPECIFICATIONS------------------------
ROAD SPEEDS (continued)
ROAD SPEED DECAL
A decal similar to one
of
those
shown
above
is af-
fixed
to
the right-hand
fender.
The
decals illus-
trate the P.T.O./engine speeds
and
the
road
speed
in
all ratios at three alternative engine speeds.
The particular example on
the
left-hand
side
is for
a tractor
with
constant mesh transmission
(8
for-
ward and 2 reverse ratios)
having
a rated speed
of
2200 rev/min. and fitted
with
13.6
-
28
rear
tires. To
find
the road speed
at,
for
example,
1800
rev/min. in
7th.
gear, follow
the
dot
on the 7th.
.gear
block down to the
MPH
line or up
to
the
km/h line. In the example
shown,
the
road
speed
indicated is 12.2 MPH or
19.6
km/h.
REDUCTION GEAR SET (creeper gears)
The
reduction
gear set
offers
additional
transmis-
sion ratios
with
very low ground
speeds.
Constant
mesh transmission offers reduction gear sets with
a
reduction
ratio of
5.
7 or
10:
1.
The
road
speeds for constant
mesh
transmission
are printed in the tables on
pages
15
to
17
or
you
may
have
calculated the speeds
for
your tractor
22
The decal on the right-hand side is for a ttactor
with Synchronized Shuttle Shift transmission
and
Dual Power (16 forward and 8 reverse ratios) havĀ·
ing a
rated
speed of
2200
rev/min. and fitted
with 16.9 -
30
rear tires. The
bare
and tortoise
symbols on the decal represent direct
drive
and
Dual Power, respectively.
To find the road speed
at,
say,
2200
rev/min.
in
7th. gear,
high
range (H), direct drive,
follow
the
right-hand edge
of
the 7th. gear block (hare
sym-
bol)
down
to the
MPH
line or up
to
the
kmJh
lines.
In
the example shown. the road
speed
indicated is 12.0
MPH
or 19.3
kn:tlh.
and
inserted the calculated figures into the
appro-
priate table.
To obtain the ground speeds
with creeper gears,
divide the speeds
in
the first 4 forward gears and
low reverse, by
5.7or10, according to
the
type
of
reduction gear set installed.

Table of Contents

Related product manuals