Instruction Manual of RH 143
Short Description
Overhauling RH 143 Turgocharger...
Description
aI $
P.1
/7
63, 183/203 MiE/ffiffiH milR-#En+ffiiE RH 1 43/1
;r Hfftofi4>F J'Eygjy 400 hours: Check all fixing bolts j^-SNote This check is to prevent a leakage of exhaust gas and lubrication oil due to looseness of bolt and nut.
1
1.1 400 ffiF'l
A5
E: &frfrItffioHtft
d
trEts . t,y
ffi 7J,1 = & 6 tf FII -;. Q) #FAri 1iffin e, L'i t|d ;F ;H iffitrL a$fi JL "
6
1.2 1
t
t-----,-
fll O zfi/
1200
[, F
E*F"l
E: 9-€>E-roE+E)fttuq
oHtft
.2 Every 1200 hours: Check the
rotation of rotor
A
(Photo
caution
t_c> E_rt+E LL. E l+fl,tr
ZH
tft,zE+tFj
EfiH
o+fifiFt2t)7->7AE+tE{ Photo
,
2
:9-C>n-Ftr-C>{HlJl: E -tTffit g', 4 * )vt -i ooH, tEftFt 6 "
"
.
Photo
3
:=>JV'yt{R|JrE -tT+Ft
I
9 4 )vf . zo) {E fr+frfi
:
"
-)fir.A {F-t--afr,A.HYA " )7 7> z LtJ6
"
RHl 43-203AP-1.R0
P.2/7
@Radial clearance
: Set the dial gauge pointer at the top end of
@+'{8fifr2u7->7a#tFr|
v'y 4 > x- Jl'vffi 9 4 tvt FFa-tz,yFtk o.He-#E t 6 "
\
:
compressor impeller and set dial gauge lo Zero. Photo 4
: Push the turbine shaft
up0Vards
Photo 4
at compressor
';
Photo
:Push the turbine shaft downwards at compressor
5
Vy+/{R|J
e
Lfi Ftt=
,.
)vf -)a{Ee-# afiyei:
fr frIt = T rf . =2J Vy+'fil eT {Et-'afi,A-HyA . 9 4 I )v f a -) " : t fi fi&T fr Ft a frE+ 75r+ Eh Ht.)T ,6
>7Lti6"
:The total movement from upper position to lower
i\5
t._
A=>J
:
':
position meanp radial clearance. .r
9-C > E
-t +Fq. :94r.r
:
side by hand. :Record the reading on dial gauge. * Photo 5 side by hand. : Record the reading on dial gauge.
t
-rt=2j
-
}..F--,.
!tU-"--,-
A5
Note
o Repeat' the measurement at least 3 times, and check if the average recording is within
o r' )7 -> 7E-+;FI lt3 E fEJg ffi LJ tr t-?1lJ L r . + rg {E : < 1 .3.2rF & ffi A tE-+ 6t{E 14 | = b 6= t
LtfiEEBT t L \ o F'rlfrfi tH+F HtA751l. EEE A lt 1 .3.3 rHeCN ff +k=-"frnn t 6ffi t ( < fi' 8
permissible range in below Table 1.3.2. In case of overhaul or inspection, refer to the Instructions manual and Chap, 1.3.3.
o Cover Lub. oil inlet and outlet with rag to avoid dust invasion.
o Compressor impeller is made of Alalloy. Be careful not to make the impeller blades bent or damaged.
,/203
,EH
o tF{ tFtH (Lo)
ofr
tr lt
I -7$t:(j=iE
^u)
o
^tlfiv\("ZE-+6{E (H{n
fr'rt,
(0.45^'0.60)
RH 143
0.80
(0.45-0.60)
+Hf
FJ
mm
)
+'{EfiFt
(ftfi
8+)
0.80
,/ 163
0.06
-0.12
(0.45-0.60)
RH183
0.08-0.15
(0.45-0.60)
,/203
0.80
RHl 43-203AP-1.R0
tO
t"I P.3/7
.3.3 Overhaul and inspection Instructive points of overhaul
,
1 3.3
Fiq.
It is recommendable to have overhaul cleaning
be
adjusted
as
occasion
o
shroud
part of turbine housing is quite hard to remove it and looks like metallic surface. Ii
o Check if there is groove due to erosion on
the R
o
XPos.1
o
surface of gas passage.
RH RH
183./203
0.90 x 2 :1.80
Clearance R Measuring Position
RH1
x 2 :1.40
0.70
(Dr-c) E-tti
ZH n f,fiGfi Ft?t)
,.)7->7 R1+R3. R2+R4 (#E{E mm)
frrrt
Clearance R1+R3. R2+R4 (Design value in mm)
143,/ 1 63
E+E
77>7
o Radial tip clearance at gas outlet part Type
HH+H
o FnlffiHfFFultfffil*E F tt-T 4800 E*F"l trt+fr ' F t*f 75r iE fuzlr# LLt tre I*RE z5t b 0) \ Frl tI tH *F F"l [H e f;E fffivT< E 3 L o hltfi;HfFffi ..9*t>trD i>r2tzt l':fli Lil,T;H+FT8Ur. o tj ziEfiF*trt={EA (- n 75r#+ t( -i=>) \ \ t L /i L zlrfiE-ifl t( < E8 L
demands.
o Be careful the carbon covered over the
'
Turbine housing
1
and inspection at every about 4800 hours use. In case heavy contamination is found, the interval of
overhaul should
e{6 al*1fifjH+F&Htft F#ffiH}Fn*o
x2 0.90 x 2
43,/ 163
0.70
RH183,/203
= 1.40
RI
,t)71>.^R R1
E+tF||{nE
R2
R4
R2
R3
,i-+-rrl=(E-+tFl
R3
:Clearapce gauge
Seal ring and groove
Please check and clean if carbon and s{udge of lubricating oil accumulate at back wall of turbine impeller and groove of seal ring. (Refer to Chap.3)
Turbine wheel
t -e )H F H tr FI3 &6> iE
l=h-rl'i)tptF{
nrtftffi
u(
L
\/J
u
tFtH O
- )vU > rt#fll {-} 7-'viItl,t=LA
\ 75\fi8-# L
At*ryrJhu\(TtLr.
. tfi fH
Q
t(
r[6ffi)
r\
6E
RHl 43-203AP-1.R0
Caution
,EH
Soak only turbine
o Recommended
replacement interval and thrust bearing is 2 years.
of
wheel part up to floating
water or carbon removal solvents,
o In case of turbine wheel cleaning by_,soaking in hot water or carbon removal solvent, rust preventive oil must be applied to the turbine shaft
from groove for seal ring to the end of compressorrrvheel side before soaking of it. lf protection is nOt enough, corrosion can be occurred. (Refer to
rear wall in hot
'iFl
zl<
frr
6 t\ l*
t
-fi>w*f,|Jtr ,_C>HHOH ET(.:IT6
This part must i be covered by rust preventive
o +fi F (27 zFAz U>2' &t-fz E-74 > 2 d7 U > 2 ) A+fi F t fFE+ F"l rt 2+
Fpltf
0il. i
-7#a1fiffi
H;F{;Ff,ltfr fi't{*:-a?Aa
Fig . 2)
.
o Fni fif tF+F ft+ t- C >H+tiEzl< b 6 u r It h-fi> Ir+ *f,tj t:;E f trA Ht- C > E - g A > - )vt) > 2' i#FtJ & U') v v'y t 4 >^7.lRl a FII z5r 6 -til, =2J t) fffit2' lt Frlffi E+ jc+fr t(T 8 L \ o r9ffit.rtr ir b 6tre t tfrtFt,ht$yU [h u r
>-
(TtLr" iAi..
Fiq. 3
Gts.26ffi)
I
r-C>tr-ra
t:: \( lt Fig. 3 t64 u
t: L(H,IR|J
'-E'>H,IFIJ RHl 43-203AP-1.R0
yl
t.7 P.5/7
2. Cleaning of Turbine side parts
t-c)filJOiFffri=:u\(
2.
Carbons at shroud part of turbine housing and turbine wheel normally include very hard layer of Calcium and Vanadium. Therefore clean them by hard wire brush or scraper. (Remove the dropped deposits in turbine housing surely after cleaning.)
,-t>r
rD
i>,
' f:6FL\t-rfi >EzlrtfiTH tt t A('.. fiEt\ 7 4 f) 7:z 7, v - t t =( T F :,# Lt( < EtL\ o CEffiIAt \, i>rJ'6 l:gt>tiEtL Fft tfilj = ;= < EE L \ o
t-
I
o Turbine housing (Shroud part)
\5t-C>
A2=-,|':'FII
HF l:ltt )v>t l,'{rr tfi, L+te /.
. t-t 1
t(
i>r' (2 =7t l':*fl ) \t ) fiEt 4 f)->\5rrv-r tl:(THt= > trf
,-rl-)t,#t:TTA;HfF
bttT 2ffi,*l:& 6t - C >HF& (J'= >J ttyt 4 > ^-q A tr D i> r' > =7, F'fr[.a. Ottfr,f, . +H *[ O +E
of turbine impeller and compressor
at shroud part, which
t'
L\
recommendable overhaul interval, thick carbon may accurnulate on turbine wheel and the area surrounding "it. Excessive unbalance causes
touching
L)
. t- C > H F : tEfF= t t=tt-fi > tttE h t5 - l:ff u)WL\( HF ) 25. ba{E*&l:& L)>- )vn"$ciFd tFtH e=-+>
ffi
Et
2H*.75rftE tr 75rrftffi L( L \,6 tre H2 - tv = lf t u \ & a, -rl-i > AHyu) ffi u t Ftl =lE+t{-f Photo
Engine stop without cooling down
77t-r-U>r't*t'fit
rju\Ee
for
(Remark
12
t
(2'E.+6z5rTEI fr?i.a.trfr
l*-
>i>
tr Jt'&E-tt I=J - 4 2' fr>J t -rr-t:t f . => 15 flF"l l;tl iEfiAffil=irfd tFtH tl*ftAt(Tt I
pump as soon as engine stopped and supply Lub. oil
,
If 6ir-d>. #f H,FtHt =-*>7'E*tf[t, l: 15 llFel ULA74F''J>Z'tr.$/itffiFtt
>-)vt)>?E$
tEE
11
ti
Seal ring part In order to mitigate the coking phenomenon, Temp. ('C) idling operation before engine stop is
recommended for more than 15 minutes. (Ref. Fig 4) In case it is impossible to do idling, start a priming
/7
more than 15 minutes.
L\o
(;tEts1)
itFe
1
1)
Remark 1 Such priming pump may automatically or always
- 4 r)' #>J hrH H rhgr =7 \ o) t f: lt H E+ {t EIUTT=>\,6 #ff ffi t, ('E+ t < H.-> > r Et^fiE-Efl T 8 L
ffi H {Ft F
be operated during standstill according to
the engine specification. For the detail, consult with engine builder
I
Jtt *f
i /-t
"
!-l-.-.
it.,B Caution the following measures must be done.
o Coolingdown by Lub. oilariming
b aE tr (*EE .€.{Frt t t=EA It, uF areE-aF.',ffiu(2' I= e672 t-, -t ) > ? A+fiE U( (f:'8u t "
ffi H z5r{EI+
In case the engine is forced to stop emergency,
pump should
be dori,e immediately.
Before restarting of the engine, check the rotor condition according to Chap . 1.2. (lnspection at every 1200hours) In case abnormal condition of
rotor is observed, carry out the cleaning and overhaul inspection of the turbocharger. .
Engine stop
with
cooling
down ,:
77r-2-t)>2'A=tfr l-t=Lfre
O ffi H EIfrESHfr o) Hfft(
1
I='_C)
tr-'
OE,+Efi ffi.
EA Rffiame EzSl-. E+6l=EHir
.z*rH 1 2oo
,
EtF"l
=tEt(
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