Piper Comanche PA-24 Service Manual page 577

PIPER COMANCHE SERVICE MANUAL
7C·23. Rem .... Of Turb0
± .......
•. R .... ove the bottom cowliDJ.
b. DiscoDnect air clueD
at
comp ......
iDI ..
aDd outlet. When
removiDt
the rilht
turboc:IwJer
Wt
dilcOMect iIIIet duct u die air plCD1Ull aDd
mIIOVC
pl ... wn &om
twbocharJer
by
Ioc>seDiDs
clamp u
compreuor iDI .. aDd rem","", bolt anacbiDi it to
turbocIIarF·
C.
DiscoMeet
WUte
pte
CDDuol cable aDd remove cable clamp from turbocbarJet exhaust sack.
of. DiscoMe ..
twboc:lwJer
exha_ stack brace.
e. Remove V band c:I&mps
at
turbiDe
iDI ..
aDd outlet.
f.
Pull exhaust rtack uscmbly ait aDd down.
,.
DiscoDDeet oil iIIIet aDd outl .. Wla from
turboch..,...
h.
Remove bolt attachiDJ iDbouti mount to tutbocb..,.. mOUDtiDJ I",.
~
Remove DUG.
wwen and
bolt
anacbiDJ
tOP
turbocharJer
mount to ......
7C·24. II'mll'tjcm Of T~.
•• AJ<:etUiD thu inboard turboclwJer mount is iDstaIIed on ait fud iDjeetot moUDtiDJ ItUdJ ond
eDJine sump, and safctied.
b. IDSUII oil line fittings in turbine ceDter housing.
c. Install top mount on turbocbarJer aDd secure with cap
screws
&Ad safety wire.
d. Install blank .. on turbine ho ...... and secure with safety wire.
e.
IDStaI.I
t1UbocJwser
assembly OD e".;ne, inxrt
wuben
betweeD top mouDt and enline sump
flanse
aDd secure mount to
flanse
with bol, .. ashen and Dua.
f. LooteD V band clamp .ttachiDJ die twO halva of the turbine tCJFther. If necessary rotate tumine
housing to align the compreuor discbllJC outl .. with the compraaor dilclwJe ....... bly (air box).
I. Torque die turboch..,.. center section V baDd clamp '0 30-40 inch poundJ.
h. Secure
turbocbarJer
'0 the inboutl mouDting brace with bolt washen and nu,. Position wash ... as
required on either side of die turl>oc!wger mouDting lUI to prov ... t pre-load on the iDboard brace when
mounting bol,
is
torqued.
i. COMect inI .. and outI .. oil Wla
'0
tumoch..,...
j. PositiOD inI .. and outlet exhaust stadts with gukea on exhaust tumine housinl ond secure with V
band clamps. Torque clamps to 55·75 inch poundJ.
NOTE
For
.u
"V"
bond
coupl~.
on the .xhaust system, be sure para ue
concentric before tightening couplings. CouPWlI will not cen,er para
automatically.
2G21
POWER PLANT
ISSUED: 8/18/72