Pull and Push Up of Prop
Pull and Push Up of Prop
Pull and Push Up of Prop
PSH-OIO8
P. 1
1. Scope
This
instruction
explains
the
procedures
for
pushing-up
KEYLESS PROPELLER.
2. Pushing-up
procedure
at shipyard
2.1
Working
No.
equipment
and instructions
Description K Nut Hydraulic oil pump Flexible hose Pressure gauge Connector Plug Magnetic holder Dial gauge Thermometer Thinner Oil for hydraulic pump
1 2 3 4 5 6 7 8 9 10 11
with packing
Equal
to SAE No.20
2.2
for
pushing-up of
Refer
to Fig.I
cone part
the
propeller
boss
on the propeller
At this
deviation:
(3)Fit K Nut to the propeller shaft and screw it until into contact with the aft end of the propeller boss.
(4) Attach a thermometer to each of the propeller boss
its bearing
face comes
shaft.
PSH-OI08
P.2
the propeller
boss
oil port
in the outside
of the K Nut.
(6)
(7)
to the push-up
oil port in the K Nut with the flexible hose as shown in Fig. 1.
(8)
on the propeller shaft near the about the center line of the
2.3
Pushing-up
(1)
Measure
of the propeller
boss
and the
shaft.
Verify the both temperatures are the almost same.
(2)
Determine,
from Fig.3,
(3)
push-up operation,
in dry-fit. the valve (a), open to abt. the valve 3.6 MPa (b) only and
the pressure
in the hydraulic
oil pump
(36. 7 kg/Cl~)
(531kN).
At this
(
time,
gauge
at zero.
(4)
abt.4.
(5)
PSH-0108
P.3
(6)
In
accordance C" in
wi th
the
point" coefficient
parallel
method shown in Fig. 5, draw a straight line from to the line" A - B" to obtain the frictional
9 to calculate
the frictional
(7)
the
hydraulic to zero.
oil
pump
"B"
one
oil port with the flexible (a) to the full. that the valves the oil the the oil
confirming oil
full
open,
operate
operation, kg/cni)
and raise
Then, increase pressure propeller boss moves to the point" (During the F"
operation,
the push-up
of the boss
and the
corresponding oil pressure in the hydraulic ( In this time, the necessary push-up travel the required push-up push-up travel (X) push-up over for the actual boss travel.
by TSC standard,
be careful
push-up
travel
(X) , stop the hydraulic the valve (a) open. Then, To drain the boss About pressure release ( At this gradually oil five release in the oil oil to pressure confirm minutes returns the oil time,
(b) , leaving
the boss expansion oil of the propeller, confirming the valve push-up travel that
oil
pressure
by opening in oil
of the hydraulic
pump which has been closed. remove the connector the boss expansion
(b) to
the push-up
-=---=
PSH-OI08
P.4
The push-up
operation
by wet-fit
is now over.
(11) Remove the dial gauges, flexible hoses, hydraulic oil pump. (12) Fit
to the bossexpansion oil port in the propeller boss. In the same way, put the plug into the oil port in the K Nut.
the plug
3. Pulling-out
3.1
to Fig.2
) Remarks
Q'ty 1 1 1 1 1 1
with packing
11 12
1'"""'2
3.2
Pulling-out
procedure
for cap.
propeller
on ship
( See Fig.2
-~
PSH-OI08
P.5
for buffer
between
the propeller
boss
between
of the propeller ( Corresponding (5) Remove the plug screw (6) Connect
be about
in the propeller
boss,
and
with a packing
to the connector
of the boss
expansion
oil
port
and
pump in a manner as shown in Fig. 2. expansion oil pressure to abt. 67.2MPa (685 kg/cui)
propeller is still not pulled out, further to abt. 74.0MPa (755 kg/cui). is pulled-out midway through this
The propeller
operation.
--=---
PStf-O 108
P. 6
u.-uu
u_~u
u"'u_""u__u_-u_u_-""
u__u
,<_uu_u.
PROPELLER SHAFT
\
2 WAY BRANCH VALVE
No. 1 2 3 4 5 6 DESCRIPTION K NUT HYDRAULICOIL PUMP FLEXIBLE HOSE PRESSURE GAUGE
CONNECTOR
No. 7 8 9 10 11
PLUG
~ ----
PSH-O 108
P. 7
un
--, -. -- -- ---
--00-----
PROPELLER SHAFT
PROPELLER BOSS
No. 1 2 3 4 5
No. 6 PLUG
DESCRPTION I
11 12
- --
PSH-O 108
P.8
22
20
S s '-'
0
18
r./)
::J
'""'
p...
'-' t: z mlmj rt z
f,.! U
:::
...
16
14 .....:1
><
,..
IU'1 .....:1
12
1J S it d:
jjf r./) '::J
p...
10
8 -20
-10
10
20
30
40
50
:;f a"" 5 i1tA'><' ;t$ffi(J);.ffii~ (ittl, \15 ~i~J~) r (Oe) TEMPERATURE OF PROPELLER BOSS OR SHAFT ( USE THE LOWER ONE) (e)
jg]3. f~56Jj.;'.!:::;fa ""5*;Z *t::r;t~(J);.ffii~.!:: 0)001* (SNO.1236/1237/l239/1240) FIG.3 PUSH-UP TRAVEL Vs. TEMPERATURE OF BOSS OR SHAFT ( SNO.1236/1237/1239/1240 )
UNIT: mm
7 16.0 15.3 14.6 14.0 8 15.9 15.2 14.6 13.9 9 15.8 15.2 14.5 13.8
;.ffii
(Oe) 0 10 20 30
p
~a~JflffifE 2::O)~t~ (liT</7hJ:t) PRESSURE AND LOAD ( ONE PUMP METHOD) 237/1239/1240 )
)R DRY-FIT
11
P.9
1. *@ f:::'~T1i&:~I:;tl'JZ,J:f.:l:
S)
1. FOR EXAMPLE, THE DOTTED LINE SHOWS THE PUSH-UP PRESSURE AND THE BOSS EXPANSION PRESSURE AT PUSH~UPTRAVEL 15.4 mm ( 20t ) X = 15.4mm - ex1 = 15.4mm - 0.3mm = 15.1mm 2. RAM AREA : 1496 cm2
15.
Jbh-irEfE JJzV5Iw~aifO);t.Aj)t*
1rJ3 0) * fE
\.(cm )
. 100
( 1VrPa ) 140
,,-...
120
<'Ie
CD
,,-...
'--'
100
0 1000
'--' 600
rtC/1
QC/1 4!i7
400
=p.,
MQ
'-'t/j
l:8
200 :@>< -+<
KC/1
'*
12
11J6h-!i
14
(mm)
16
18
20
22
24
......
PSH-OI08
~ 4. i6li-SJ=XtT6!3i6li-tJ&LY
FIGA PUSH-UP TRAVEL VS. PUSH-UP PRES ( f7~71~~~~~~~~~~~.~:
~
SNO.
1236/123'
(K
. KE/S -
tan a )
,-...
(l+K'KE'
I:: 0
...... '-"
tana IS)
2
(K
. KEIS - tan a
3
(l+K'KE'
lanaiS)
'-"
:. :. -C-, KE = 0.25662(mm3IN)
S = 2581247 (mm ) tan a = 0.025 K Ij::f!i3j6li-W:m(N),!::: :f!i3j6.(mm)~Jto w:mlj:l1EEE:(MPa). 5tEEoo~(cm) . 100
",,0
Z 6
I::
g
-R
r$jCl'.)
HERE, KE = 0.25662 (nun IN) 2 S = 2581247 (mm ) tan a = 0.025 K IS A RATIO OF PUSH-UP LOAD TO PUSH-UP TRAVEL(mm),AND
0
R
t
,r\()....",
LOAD(N) = PRESSURE(MPa)
;:J
RAM AREA(cm)
-!:p..
( MPa )
2200 2000
N
S (,)
ti::<
CI'.) CI'.)
'-"
1000
p..
CI'.)
CI'.)
CI'.)
llig
l:;.!
600
6000
I
I
600
"CI'.)
.-4 ga
400
CI'.)
p.. 200b20
lli
:@
I
I
I
';:J -!:p.. 0
r)}CI'.)
I 0
10
w~
PUSH
oil
-=f = f-' = 00
:::E
'" p.,
<J cP ~~ ,, .'
~<t.<t.
~~ "<,;
~ P:::
;::> U) U)
"G~
<t."t-,
PARALLEL SHIFT TO FIND OUT THE FR I CT I ONAL COEF. AT PRACTI CAL DRY FIT.
:t
U) ;::> p.,
PRACTICAL DRY
FIT
PRACTICAL
PUSH-UP RECORD LI NE
START POINT PRESSURE (START POINT LOAD 531 kN) 3. 6 MP a 36. 7 Kg/cm
WET FIT
ole
PUSH-UP ab t. 2 mm INITIAL PUSH-UP TRAVEL al REQUI RED PUSH-UP TRAVEL (X) TRAVEL BY DRY FIT
PUSH-UP
TRAVEL
(mm)
..
FIG 5 PROPELLER
FITTING
INSTRUCTIONS
..
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