Onan NHC Series Operator's/Service Manual And Parts Catalog page 249

R E F . P A R T Q T Y . P A R T
NO. NO.
U S E D
D E S C R I P T I O N
5 2 6 A 2 5 0 20 C y l i n d e r Head M o u n t i n g ( 3 / 8 )
526-251 5
B e a r i n g P l a t e M o u n t i n g ( 3 / 8 )
526-66 2 C y l i n d e r B l o c k ( 3 / 8 " C o p p e r )
21 I 2 0 B 6 8 0
1
• T u b e . C r a n k c a s e O i l
22 1 1031756
2 V a l v e . I n t a k e (Stel 1 ite)
23
1 I 0 B I 7 I 9
2 V a l v e . E x h a u s t ( S t e l l i t e )
24
I N S E R T . E X H A U S T V A L V E S E A T ( S T E L L I T E )
1 1 OA 17 16 2 •Standard
1 I 0 A I 7 I 6 - 0 2 2
.002 " O v e r s i z e
1 IOA 1716-05 2
. 0 0 5 " O v e r s i z e
1 I 0 A I 7 I 6 - I 0 2 . 0 1 0 " O v e r s i z e
1 I 0 A I 7 16-25 2
. 0 2 S " O v e r s i z e
25 I N S E R T . I N T A K E V A L V E S E A T
1 IOA 1932 2
•Standard
1 I 0 A I 9 3 2 - O 2 2
. 0 0 2 " O v e r s i z e
1 I O A I 9 3 2 - 0 5 2
• 005 " O v e r s i z e
1 I 0 A I 9 3 2 - I 0 2
.0 1 0 " O v e r s i z e
1 I 0 A I 9 3 2 - 2 5 2
.025 " O v e r s i z e
26
G U I D E , V A L V E
1 I 0 A I 9 3 9 4
•Standard
1 I 0 A I 9 3 9 - 0 I 4
.001 " O v e r s i z e
27 1 I 0 A 5 3 9 4
S p r i n g , V a l v e
28
1 I 0 A 6 3 9
8
L o c k . V a l v e & Spring
29
T A P P E T . V A L V E
L o c k . V a l v e & Spring
1 I 5 A 6
4
Standard
1 I 5 A 6 - 0 5 4
. 0 0 5 " O v e r s i z e
R E F .
NO.
30
31
32
33
34
35
36
37
38-
P A R T
NO.
Q T Y .
U S E D
I I 0 A 9 0 4 4
SCREW. H E X C A P
800-11 2
806-27
I 2 3 A 9 5 I
I 2 3 A 9 5 8
509-1 17 •
I I 0 A 6 8
P A R T
D E S C R I P T I O N
R o t o c a p
V a l v e Box Cover M o u n t i n g
( 1/4-20 x 2 " j
C y l i n d e r B l o c k ( 3 / 8 - 1 6 x 3 / 4 " )
C l a m p . Breather T u b e Cap
S c r e e n . Breather T u b e
S e a l , " O " Ring - B r e a t h e r T u b e
• G a s k e t . V a i v e G u i d e ( I n t a k e )
S T U D , C Y L I N D E R H E A D M O U N T I N G
5 2 0 A 7 I 7 8 3 / 3 x 1 - 7 / 3 "
520A773 12 3 / 8 x 2 - 5 / 1 6 "
B E A R I N G . C R A N K S H A F T - F R O N T
I 0 I K 4 3 2 I ' S t a n d a r d
I 0 I K 4 3 2 - 0 2 I . 0 0 2 " U n d e r s i z e
I 0 I K 4 3 2 - I 0 I .010 " U n d e r s i z e
I O I K 4 3 2 - 2 0 I . 0 2 0 " U n d e r s i z e
I 0 I K 4 3 2 - 3 0 I . 0 3 0 ' " U n d e r s i z e
.I04A776 A s R e q . Shim ( . 0 0 5 " ) - C r a n k s h a f t T h r u s t
*• - Order by d e s c r i p t i o n , g i v i n g c o m p l e t e M o d e l , Spec a n d
S e r i a l N u m b e r .
• - I n c l u d e d in C y l i n d e r B l o c k A s s e m b l y .
C - U s e one o n l y w i t h rear b e a r i n g on u n i t s w i t h f l a n g e t y p e
front b e a r i n g .
O I L B A S E Q R O U P
R E F .
NO.
P A R T
NO.
Q T Y . P A R T
U S E D D E S C R I P T I O N
I B a s e . O i l
! G a s k e t . O i l B a s e
4 Screw ( 3 / 3 - 1 6 x l - l / 4 " )
)
O i l
Base to B l o c k
I P l u g . O i l D r a m ( I -'2)
I T u b e . O i l F i l l
I G a s k e t . O i l F H ! Tube M o u n t i n g
I Cap & I n d i c a t o r . O i ! F i il
1 ' G a s k e t . O i l FMI Cap
2 Screw, Hex Cap - O i l F i l l T u b e
M o u n t i n g
4 Washer, L o c k - O i ! Base M o u n t i n g
T - Order by d e s c r i p t i o n , g i v i n g c o m p l e t e M o d e l . Spec and
S e r i a l Number. ,
1
1
2
I 0 2 B 6 4 6
3
800-51
4
505-56
5 I 2 3 B I 1 17
6 141 B78
7
t
8 I 2 3 A I 9 I
9
321-18
10
850-50
90252^
41