SECTION 6
for aircraft
lnstallation
(in
other
appllcation8
proceea
accordingly)
lhe break-in has to be
perfonned
xith
the
englne
lnstal.led,
properly
loaded. In case of an aircraft,
anchor the
plane
to tbe
grqund.
Run the engine according to the following
graph:
-7-
BREAT-
I,I{ PROCEDURE
tD3h.
r !000
rurl
t,5
I
0
2
.2
ro It 20
,o
1
5o
to
t0
t16!
(.ln)
/l
Be
Eure to uEe a aafe
run-up area, to anchor aircraft
at
tbose
polnts
appreved by the airfrane
manufacturer,
and to have
aoEeone
present
yho
1a abLe to shut off the engine instantly.
I
ltt"" thls
procedure
the 1dle has to be adjusted.
Then
shor!'
take-off8 can be conducted.
After
a few
sbort
full-load take-offs,
but not later than 2 houra
botaL
running tine,
the
cyllnder head
nuta
have
to
be re-torqued
to 18 +
2q
Nn
(160
+
210 in.tb,).
For
this
procedure
the cyLl.nder corl
(if
any) has to be
taken
off.
Engine tou8t
be coLal for
re-lotquing of
head.
Toola:
Serewdriyer, insert
1,
(Eocket
lrrench 1J),
torque
wrench.
Note: Uae
a
crosa
aequence
fot'
tightenlng
the
nuta.
conslder both heads as one unj.t because they are
joined
by exhaust
and Eanifold8.
Ensure that covL bolts
are torqued less than head bolts.
Ignition
polnt
rubblng bLocka wear rapldly during the fi!.at hour6
of
operatl,on
t1ll they
'rpolish
in" on the cam
of crar|lahaft,
therefore
the
pointr
gap
lay
require adjustment after brea*-in
(betr,
8 + 10
hr8)
!
n"f"r to lgnition tirDing
procedure.
After
initlal break-in adurt-
nent
la
pcrfotled,
gnly
norrral
rnaintenance
Ls requiled
(see
Dalntenanec
achedule).
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