DMWR-9-2815-220
AVDS-1790 ENGINE OVERHAUL STANDARD
DEPOT MAINTENANCE WORK REQUIREMENT
DMWR-9-2815-220 - Page 1239 of 1422
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D1R
9-2815-±20
6²7.
(Cont)
(a±
The dry en²ry pressure correc³ion fac´oR Is calculaµED by sUBtrAct¶NQ
the aver·ge entrY press¸re ¶n ¶nches
H
2
0
from tHe ¹rº baroMeter re»D¼½G,
-
2³´3µ ² 0
=
2³¶35
¼½. ¾¿.
anD
ÀH¶s ValÁe ÂS ÁseD tO F¶nD the correctÃon f»cÄor
(·¸006¹0)
L¶sµeD Ân tabLe
6'²4 (º/»¼½.
Åb)
Æhe ÇVerage aÂr eÈtrº teMperatÉre correcʶon factor for
¾8°F
¼s
»´0»5¼0,
as lÂsÊeD Ân tabËe
6¿2 (6/»2).
(c)
Æhe ÌÍel teÎperatÏre correctÂon factor for
À0Áf
¶s
»¸0»0,
as l¶steD
Ân table
ºÂ5 Ã6ÄÅÆÇ.
(D)
ÆÐe total correct¶on Ñactor ¶s tÒen calculateD as the proDuct of ³He
Óhree cÔrrect¶oN Õactors as follows:
».006È0
x
».0»ÉÊ0
X
».0»0
=
Ë.032Ì0Í
(3)
Öbser•1eD brake horse×oWer.
Æhe obseØVeD braKÙ horsepo\/er (oÚsÛ
ÜHp.)
¶s calcul»te¹ as ÝoÞloßsà
obsÛ
bHpÛ
=
roá
X
scale un¶ts
»000
=
2¼00
±
Î
55
»000
=
612.0
)
or
â
ãÚsÛ
bäp.
=
toråÁe
x
rPM
±
5252
13¼0
±
2¼00
=
6»2´0
5252
(¼)
CorrecæçD net Úrake horsePowerÛ
èhe corrçcte¹ net brake horseéoêer
ëalue ¶s calculatED froM the oÚserVeD brake horseìoßer us¼n¿ the preV¶ousËy
DeteíMÂneD correcîÂon factorï
corrðcteD net ÚhñÛ
²
obsò bhpó
²
correctÂoN factor
³
6Ë2¸0
x
1´032¼0
=
63ϸ83
hpô
(
5)
õa½ horöe÷ower.
øhe faÈ horsepoùer ¶s úeterM¼neD at
2¼00
rpM froû
tablü
6ÐÑ Ò6/Ó3Ô
Äo be
Õ08´0
hpò
Ö6)
Correc³eý þross braÿe horsePoĀer.
èhe correcteD ¿ross Úraāe horseĂ
poăeĄ ¼s DeterζneD by aąD¼n¿ the fa½ horsepoĆer to the correcteD net brake
horsepoăer ć
correcteD ¿ross Ĉĉé.
=
correcteD net bhp.
+
fan HpÛ
´
63»¸83
³
»08´0
µ
È3q×a3
bĊ
(È)
ċrake sČecÂf¶c ѸeË consučot¼o½Û
èhe brakç spec¶f¶c Ñuel consuMĎt¼ď;Đ
đs ĒaēcuLatĔD by D¶V¶DÃĕ¿ the correcteD fueË consuMp³Âon (lĖsėhrĘ)
by tHe correcteD
¿roęs brake hoseéower â
brake
specÂfÂc fuel consuMptĚon
³
J
oĖsě
Ĝueĝ
fĞow
(
lÚsğhr.Ġ
X
CFf
¶
308
X
».0»0
´
0
Ø
¼Î0
ġbsėÚhpâhr
Ģ
cģrrec²ĤD ¿ross bhpÛ
ÆÙ³´83
v
6Ú9
¸
¹º» ¼
I.
i.
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