Gravely 816 User Manual

Figure
6
Creasing
These
are
four
(4) grease fittings on
a tractor.
Grease
with
general purpose
grease
every
eight
(8)
hours.
King
Pin Weldments
-
2
Axle
Pivot
Pin
-
1
Direction
Control
Lever
-
I
Any tirne
the
tractor
is
washed or
"hosed
o{",
-
it
should
be
greased
to
force
any moisture
out
of
the
bearing"
If ihe
tractor
is
operated
with the
tractor
wheels
in
water
above
the
front
rvheel bearings,
the
front rvheel
bearings
should
be repacked
with
r'vheel bea-ring
grease'
Periodic
light oiting
of the
pivot
points
of
linkrigc
aids
operation.
Air
Cleaner
Clean
or
replace when
necessary. A
loss
of
porver
is an
indication that air cleaner
service
is rcquircd.
Do not cletrn' the
c.lcmcnt
rvith
compressed
air or
u'ash
the element.
The
air cleaner element
should be cleaned
by
gently
tappirig
orr
rr
flnt surfacc.
Replace the t'lcment
if it is bent, crushed or damtrged
in any way, or
if the
dirt cloes
not readily fall off.
When
reirrstalling, be sure
the clement
fits the
adapter
piate
and the
rving nut
is
finger tight.
Tires
Proper tire
pressure
is 12-18
psi
(.842-1.265 kglcm'z).
Check
regularly and
maintain at
proper
pressure.
Battery
Regularly
check
electrolyte
level.
Maintain
at
proper
levcl by adding distilled
water.
Figure 7
PTO
Clutch
It
is necessary
that the PTO
lever have free travel.
If
the free
travel is too
great,
the clutch
r'vill not
disen-
gage
and
if the free
travel is too
little,
the clutch
rvill
activate too
hard and
operation
will be afiected.
With
the
PTO
lever
engaged
(IN
position)
there should be
1.375 to 1.5
inches
(3.49cm
--3.81 cm) of
frcc travel be-
tween the
lever
and
the back of the slot
in
the cover
plnte.
-
lVhen the
free travel
reaches
one
(1)
nrch
(2,54cm),
adjust the
clevis
on
the PTO
rod
until
there is 1.375
to
1.5 inches
(3.493
-
3.81cm) of free
travel of the
lever
again.
NOTE:
When
operating
the tractor
rvithout
a
porvered
atterchn-ient, engirgc
the
PTO
to iucrease oil circulatiotr
rvithin
the
transmission.
Figure
5
Clearances
870,812,874
816
Spark
plug
gap
.025"
(.636mm)
.025"
(.636
mm)
Intakevalve .008-.010
(.203-.254mm)
.010-012"(.254-.303mm)
Exhaust valve
.017-.020"
(.432-.508mm)
.010-012"
(.254-.303mm)
F orw
ar
d-Reaer
s e Clut
che
s
Gap
-
.020-.030 inch
(.508-.762mm) (Even gap
all around)
Readjust clutches
when
gap
exceeds
.050'
(1.27mm).
Ad-
just
by tightening
nuts on studs.
Be sure
nuts are tightened equally.
MEASURE
-s

Gravely 816 Specifications

General

Brand	Gravely
Model	816
Category	Tractor
Language	English