AW 375 - Page 17

9. Insert
and
tighten
the
plugs.
10'
Attach
the
dynamometer
to
the
PTo
of the
tracior.
Before
engaging
the
tractor,
make
sure
the
operator
has
an
electronic
heat gun
to
detect
the
heat
inside
the
drum.
Do
not
exceed.
140
degree
F
inside
the
drum.
Il"
NOTE:
No
water
is
used
during
flushing
eycle.
12.
start
the
tractor
and
spin
the
pro
@
500-600
Rpm,s
for
5-10
minutes.
13.
Disengage
PTO
and
stop
the
traetor
engine.
14.
Begin
to
drain
the
oil
from
the
brake
drum(s). (5-10)
minutes.
NOTE:
If
oi1 appears
extremely
dirty
or
dark,
asecond
flushing
is recommende6.
Dark
oil
indioates
extreme
heat
due
to
laek
of
water
or
passing
the
torque
limitation
on the
dyno.
15'
If
the
oil
appears
transparent
and-.has
a honey
brown
color
it is
suecessful
and
you
can
eontinue
the
draining
of
the
brake
drum
5-10
minutes.
Replenish
each individual
brake
drum
with
6-8
ounces
of
new
Rml405.
Fasten
,,o,,ring
hole
snug
tight.
16'
Replaee
the
reservoil
lid
and
fill
with
water.
***
Make
sure
the
tightening
of the
top
lid
was
hand
tight
and
not performed
with
an
air
ratchet.
Over
tighteriing
the
lid
gasket
wiil
eause
it
to
split
and
will
not
seal
properly.
SECTION
7
SERVICII{G
THERMAL
FUSE
15
1.
Remove
the
water
inside
the
top
tank.