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GROUP 20
GENERAL
DESCRI
PTION
The B 30 A.engine
(Figs.
2-4 and 2-5)
i,
s
anin-I,ine, six-
cylinde'r,
water-coo,led
overhead-va,lve
unit.
li
t
is pro-
vided with two
horizonrt"a,
1
carbure#ors as
wel!
1
as an
exhaust ,emission conif"rol
sysf'
e m
whi'
o h produces clea-
ner exhavst gases. The engine 'rs alSto fitted wiif"h an
air preheater and positive crankcO'se
ven,
t i bti on. The
Fig. 2-4.
Engine B 30 A
viewed
from
left
Hk
Bhp
SAE
/
DIN
1>/--
If'
+--+---1---+/-/'
-
1/,/
-f------1f------1
- I - - - - I - - - - I - - - , v - - + - - - i - - - - - 1
80
f,j
kgm-Ibft
'"~~--ffJ---
--- :::::
---I-rl-·-d-
!---------;;-
-~
---
" ....
I
'
......
~--"
60
r---
.,~/
. . . . . . .
,~'\.._
20
-145
50
- - -
---j
----
---
--~\~-\--.
::
:::~
40;----r;lrl
- -4--~-_+-~-__i
,
I
2000
4000
6000rpm
VOLVO
103273
Fig.
2-6.
Output
and torque curves B 30 A
fan
is
of the
sl;ip-coup
ling
type. The
s,
e
v,
e n-bearing
crankshaH
has
a flywheel damper mounted on
its
front end.
The
output
~igures
for the engine are given
In
the
"Specifications".
Fig.
2-5.
Engine B 30 A
viewed from
right
Fig. 2-7.
Engine compartment
VO
LVO
103384
VOLVO
1044
93
2:3
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