Mitsubishi S4E User Manual

(2) Engine performance tests:
HEa'o'e the ail cleaner, '-'actJum pump, a lt ernalor unit
and o th er auxiliary device . 5o mounted on the engine ,
and test tile engine ror ( a) no·load maximum speed
(g overno, seHing), (b) f ue l injeclion ( rac k setting),
and (e) no ·j oad minimum spoed (i dling se tting).
H a"'t:! the '7.ri Yl'lamome let tumed off f or 1hese th ree
t es.ts.
(a) Se tt ing th e governor (no-l oa d maximum s pee d
(e5l)
Immediotely after Ih e breaking.in operation, set
Ihe gove
rn or to limil th e rughest speed 10
2 640 !: 20 rpm. Wilh the governor so set. the
engine speed will, .S iI should, f. 1I 10 24{)O rpm
when f ull lo ad ("I ed load) is pu I on the engine
by mea ns of the dynamometer .
(b) Setting Ih e rack (injeclion qoantity tes t)
Set the ra ck so tha t fuel inje ction quantity will
be between 7.6 .nd 7.8 Iile rs (464 and 476
eli Ill,) pe r houl at ) 600 engine rpm.
(c) Setting the idling stop Sc rew (no. load OllOimum
spoed lest)
Set the stop screw so th3t , when t he adjusting
lever is turneu to be-ar agains t this sc r ew, Ihe
governor wHi aUow the engine to ru n " 600
rpm .
(3) E ngin e Oli tput test
T urn on the -dynamomete r to U'nP0M: l oad On [ne
cnginl' runni ng ill no·l oad maximum speed and
incr.,se the lo,d until the spoed f,lI, to 2400 rpm.
Read tile dynamomoler indjcation right then.
Determ i ne the ronl1al output power by multi p ly -
ing the reading by this correction factor K:
760 / 273 + t
K-
- H - Hw 'V 293
wh ere H : barometric pressur e in mmHg
Hw : p arlial pressure of H2 0 vapor in mmHg
t : r oom te mperalure 10 °c.
MAINTENANCE AND AD JUSTME NT
85

Mitsubishi S4E Specifications

General

Brand	Mitsubishi
Model	S4E
Category	Engine
Language	English