TM 9-2815±220-34
oil pump drive impelleR (43) fRom scavenge oil pump
housinG. ±emove pRessuRe
anD scaVeNge oil pump
housinG spaceR ²41) FRom pRessuRe oil Pump Housing
²39) anD REmove oil pump DRive geaR s³aft ²27) fRom
spaCeR“ ±emove oiL pump impelleR DRiVe shaft (µ9)
anD pRessuRe
oil
pump
DRiven
impelleR ²¶0) fRom
pRessuRe oil pump housing ·39)¸ ¹emove fouR oil pump
intake scReen machine bolts ·¶9) anD flaº was»eRs ·3)
anD Remove pRessuRe oil pump intaKe scReen ²36) fRom
p¼essuRe oil pump housIng ²39)½
²³77.
Inspection
²³76“ Cleanµng
¾efeR to paRaGRap» 3-36¿
lg
.
f±
CmpnenL
No
²E³!r
Dpth
of
impeller
3-2±
h
br
j
s
t
LEngth Of impe±l²R
e
3²2±
e-h
k
k³j
Ā“
3.2
µ·S
w
w¶T
Impe¸leµs and ¹hafº
3±2
Ā»
3³“
a
1¼a
n
f
3µ2¶
n½f
q
n¾
S“ FO³ µ¶t a³ T·d ¸R 1b¹Tº
¹efeR to paRaGĆaph 3Ć3ý ĆnspeCT paĆts agaĆ
nsT limits
speĆifĆeD in Ćhe RepaiR stanDaRDS ²TABle 3ĆĆ5)Ć
²¶7·. Repaµ¸
±efer to paRaGĆapĀ» 3Ć38D anD oĆl Ćump stuD iDenĆ
TĆfiCation ²taĆle 3Ć12)à ±efeR to paRagRaph 3Ć39 WHen
ReplaCinG
heĆicalĆcoil
anD
sCRew
ĆĀ»ReaD
inseRtĆĆ
¾eplaĆe DamageD sTuDs anD paRts ThaT Do not ĆonĆ
foRm to lĆmitĆ speCifieD Ćn RepaiR stĆnDaRDs ²taĆLe 3Ć
ĆĆ)½
Table ²·15³ Oil Pmp REpAir StAnd“µD4
P»i ¼½ ¾¿
Ć IuA ĆD ĆĆĆ
WĆ
⢠Ć
MĆ&ĆUĆĆĆĆ\
ĆĆ ĆĆw ĆĆĆĆ
ĆĆĆĆĆĆ
LĀævel pump
o¶so
0.8
0·¸5¹
PµĆĆuµ² pUmp
±º432
±»4¼½¾
¿»4¼½¹
ĆaVengĆ pump
3ư
3»¾ĆĆ
3Ā»ĆĆ
MAkeĆUp pĆ
mp
0»¿1Ć
0.±ĆĆ
0.±Ć¹¹
ĆĆĆĆ'e And dµiven level pUmp
0Ā»ĆĆ
0.Āø10
0.79
Ćnd play betWeen ĆmpeĆl²“Ć
ĆĆL
0.ĆĆL
0ĀøL
and ĆmpelleĆ hoĆ
¹iNgà with
hĆĆ
¹ĆngĆ cĆĀ“ĆeCƱy in¹ĆĆĆled
ĆĀ“ive
and
dµĆven
pµeĆĆĆ
µe
±Ć4Ć
¿»4±Ć
±»Ć±ĆĆ
pĆ
mp
Ćnd pĆay BĆĆwĆn impell²Ć
OĆoĆL
0ĆĆ0L
0ĀŗĆĆL
aNd ĆmpeĆleĀ“ hou¹ĆngĆ wĆth
hĆu¹inG ĆĆrµĆĆĆly ĆùtAlled
à Ôâve and
dµĆĆ£eƤ
ĆCaveng²
¼»Ć½1Ć
3ĆĆ2
3ĀŗĆù
pUmp
Ćnd play Ć„Ćwe²n impelleƦ
ĆĆ
¹ºL
0ĆĆL
OĆĆlĆĆ
And impelleĀ“ hĆu¹ĆngĆ wĆ¢th
hĆU¹Ćngà çĆƵeĆØĆly aĆ©emĆŖ
bĆed.
Ć ĆĆ¢v² and
d“iven
maK²-Ć
p
0Ć Āæ1Ć”
0â±1Ć0
0»ã¹
pumƫƬ
Ćnd play ĆtweeƤ
impelleĆ®
0ƤƄƦ
0çèL
0ºéê
and impelleµ hĆu¹ĆngĆ wĆth
hĆU¹ingĆ CĆƵeïðly Ʊòmò
Bled.
óut¹id²
diameĆeĀ“
ĆF
leƓel
0Ćë¹
0Ćì½0
0Ćë±
pUmp ²nd of preƵĆ
Će oil
pUmp imĆ«ĆƶleĀ“ dµĆve ¹haftĆ·
Ćøn¹Ćdù diameteµ Of ĆŗaĀ“Ćng ĆnĆ»
0Ā»Ć
0ĆĆ®
0Ć ĆÆ0
¹ðal¸ed
in
p“²¹¹uĀ“Ć
pĆ
mp
end ĆÆoveĆƬ
üĆý Ćf ¹hAfþ in bĆarĆngĆæ
Ć»ðñĆò
0äó¹Ó
0»õL
ÄÄtÄÄde dĆameteµ ĆÄ pµeĆ©Ć
r²
1Ā»Ć31ƶ
ĆĀŗ13Ć·
ĆĀ»131Āæ
pĆ
mp and Ä
aIJng² pĆ
mp
hÄU¹Ćng ¹pAÄeĀ“ beaĀ“Ćng ¹uĀ“Ä
faÄĆĆ Ćn ĆÄl pUmp ĆmpelleĀ“
dµĆv² ¹hAftĆ·
Än¹Ćd² dÄAmĆÄeĀ“ Ćf BeAĀ“ing Ćn³
»¼
ø»1¼40
ĆĀ»1¼¹0
¹talĆed Ćn oƱ prĆĆÄurĆ pĆ
mp
hÄĆ
¹ĆngĆ·
üĆĆ Ćf ĆmĆ«elĆĀ²Ä dµĆv² ¹hafT in
Ć»ðñĆL
0.ƶĆL
0ƤƵƦ
pµĆĆuµe hĆĆ
¹Ćng ÄaĀ“ingÄ
Än¹id² dĆameIJr Ćf ÄAĀ“Ćng ĆnÄ
1Ć1
¼
1Ā»1ù4Ć
1.Ćùú
¹taĆled
Ćn
pĀ“e¹¹Ć
µe
and
¹ÄaĆ£enge pĆ
mp
hoU¹ing
¹pAÄÄÄ
Ć¼Ć¢Ä Ćf impeƶleµ dµive ¹Haft Ćn
O»ðñOL
0.û¹L
0ĆƵL
¹paĆØeµ ÄaµĆngĆ·
¹º»¼½