Break-In Procedure For Aircraft Installation - Rotax 277 Operator's Manual

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SECTION 5
- 5 -
BREAK- IN PROCEDURE
f o r a i r c r a f t
i n s t a l l a t i o n
( i n o b h e r a p p l i c a l r i o n s p r o c e e d a c c o r d i n g l y )
T h e b r e a k - i n
h a s t o b e p e r f o r m e d w i t h
t h e e n g i n e i n s t a l l e d ,
p r o p e r l y
l o a d e d . I n c a s e o f a n a i r c r a f b ,
a n c h o r t h e p l a n e t o t h e
ground. Run the engine according
to the follolring
graph:
FUU
5
q
t
2
0
1 0
1 5
2 0
f 0
1 0
6 o
5 0
l t 0
l 0
2 0
1 1 1 1 1 1
1 1
2
I
B e s u r e t o u s e a s a f e r u n - u p a r e a , t o a n c h o r a i r c r a f t
a t
those points
approved by the airfrane
nanufaclrurer,
and to have
s o m e o n e p r e s e n t l r h o i s a b l e t o s h u t o f f
t h e e n g i n e i n s t a n t t y ,
I
A t t u .
t h i s
p r o c e d u r e t h e i d l e
h a s t o b e a d j u s t e d .
T h e n s h o r t
t a k e - o f f s
c a n b e c o n d u c t e d . A f t e r
a f e w s h o r t f u l l - l o a d
t a k e - o f f s ,
b u t n o t l a t e r
t h a n 2 h o u r s t o t a l
r u n n i n g t i m e ,
t h e c y f i n d e r
h e a d
n u t s h a v e t o b e p e - t o r q u e d t o 1 9 : 2 q
N m ( 1 6 0 i 2 1 0 i n . l b . ) .
F o r
t h i s
p r o s e d u r e t h e c y l i n d e r
c o w l ( i f
a n y ) h a s t o b e t a k e n o f f ,
F . n r i h a
h [ < t
h a . ^ l d
f ^ F
r a - t ^ r ^ , , i h '
^ f
h a r . l
T o o l s :
S c r e w d r i v e r ,
i n s e r t
1 l
( s o c k e t l ' r e n s h 1 J ) ,
t o r q u e w r e n c h .
N o t e :
U s e a c r o 6 s s e q u e n c e f o r
t i g h t e n i n g
t h e n u t s .
C o n s i d e r b o t h h e a d s a s o n e u n i b b e c a u s e t h e y a r e j o i n e d b y e x h a u s t
and rnanifolds.
E n s u r e t h a t c o w l b o l t s a r e t o r q u e d l e s s t h a n h e a d b o l t s .
I U n i t i o n
p o i n t r u b b i n g b l o c k s w e a r r a p i d l y
d u r j n g t h e f i r s t
h o u r s
o f o p e r a t i o n l i l 1
t h e y I ' p o t i s h i n ' r o n t h e c a m o f c r a n k s h a f i ,
t h e r e f o r e
b h e p o i o t s g a p m a y r e q u i r e a d j u s t m e n t a f t e r
b r e a l ( - i n ( b e t w . 8 . 1 0
h r s )
I
n u f u " t o i g n i t i o n
b i m i n g p r o c e d u r e . A f t e r
i n i b i a l
b r e a k - i n a d j u s t -
m e n t 1 s p e r f o r r n e d , o n l y n o r m a l n a i n l t e n a n c e i s r e q u i r e d
( s e e
m a i n t e n a l r c e s c h e d u L e ) .

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