PD30X–X
OPERATOR’S MANUAL
RELEASED: 9–18–95
INCLUDING: OPERATION, INSTALLATION & MAINTENANCE
REVISED:
(REV. J)
6–22–10
3” DIAPHRAGM PUMP
1:1 RATIO (METALLIC)
READ THIS MANUAL CAREFULLY BEFORE INSTALLING,
OPERATING OR SERVICING THIS EQUIPMENT
.
It is the responsibility of the employer to place this information in the hands of the operator. Keep for future reference.
3'' DIAPHRAGMPUMP
PD30X-XXX-XXX
SERVICE KITS
Refer to Model Chart to match the pump material options.
637303-XX for Fluid Section Repair (see page 4). Note: This kit also
contains several air motor seals which will need to be replaced.
637302 for Air Section Repair (see page 6).
PUMP DATA
Models . . . See Model Description Chart for ``-XXX''.
Pump Type Metallic Air Operated Double Diaphragm
Material . . . See Model Description Chart.
Weight . . . . Aluminum (wet end) . . . . . . 102 lbs (46.3 kgs)
Cast Iron (wet end) . . . . . . 192.5 lbs (87.3 kgs)
Hastelloy (wet end) . . . . . . 193 lbs (87.5 kgs)
Stainless Steel (wet end) . . 193 lbs (87.5 kgs)
(add 36 lbs [16.3 kg] for stainless steel air motor section)
Maximum Air Inlet Pressure . . . . . . . . . 120 p.s.i.g. (8.3 bar)
Maximum Material Inlet Pressure . . . . . 10 p.s.i.g. (.69 bar)
Maximum Outlet Pressure . . . . . . . . . . . 120 p.s.i.g. (8.3 bar)
Maximum Flow Rate (flooded inlet) . . . . . . 275 g.p.m. (1041 l.p.m.)
Displacement / Cycle @ 100 p.s.i.g. . . . 2.8 gal. (10.6 l)
Maximum Particle Size . . . . . . . . . . . . . 3/8" dia. (9.5 mm)
Maximum Temperature Limits . . . . . . . . 200_F (93_C)
Dimensional Data . . . . . . . . . . . . . . . . . See page 8
Mounting Dimensions . . . . 12" x 13-1/2" (304.8 mm x 342.9 mm)
Noise Level @ 70 psi, 50 C.P.M.À . . . . . 83.0 db(A)Á
D005
MODEL DESCRIPTION CHART
PD30 X - X X X - X X X
CENTER SECTION MATERIAL
A - Aluminum S - Stainless Steel
À Tested with 94085 muffler assembly installed.
Á The pump sound pressure levels published here have been updated to an Equivalent
ContinuousSoundLevel(L )tomeettheintentofANSIS1.13-1971,CAGI-PNEUROP
THREAD
A - NPT
Aeq
S5.1 using four microphone locations.
B - BSP
FLUID CAPS & MANIFOLD MATERIAL
A - Aluminum
C - Cast Iron
NOTICE:AllpossibleoptionsareshowninthecharthowevercertaincomĆ
binationsmaynotberecommended, consultarepresentativeorthefactoĆ
ry if you have questions concerning availability.
H - Hastelloy
S - Stainless Steel
HARDWARE MATERIAL
P - Plated Steel
S - Stainless Steel
GENERAL DESCRIPTION
SEAT MATERIAL
A - SantopreneR K - PVDF (KynarR)
H - Hard 440 Stainless Steel
The ARO Diaphragm Pump offers high volume delivery even at low air
pressure and a broad range of material compatibility options available.
Refer to the model and option chart. ARO pumps feature stall resistant
design, modular air motor / fluid sections.
Air operated double diaphragm pumps utilize a pressure differential in
the air chambers to alternately create suction and positive fluid pressure in
the fluid chambers, ball checks insure a positive flow of fluid.
Pump cycling will begin as air pressure is applied and it will continue to
pump and keep up with the demand. It will build and maintain line presĆ
sure and will stop cycling once maximum line pressure is reached (disĆ
pensing device closed) and will resume pumping as needed.
G - GeolastR
S - 316 Stainless Steel
BALL MATERIAL
A - Santoprene
PTFE
T -
G - Geolast
DIAPHRAGMMATERIAL
A - Santoprene
G - Geolast
T - PTFE
FLUID SECTION SERVICE KIT SELECTION
PD30X - XXX - X X X
637303 - X X
EXAMPLE: MODEL # PD30A-ACS-SAA
FLUID SECTION SERVICE KIT # 637303-AA
BALL
DIAPHRAGM
INGERSOLL RAND COMPANY LTD
209 NORTH MAIN STREET – BRYAN, OHIO 43506
© 2010
(800) 495-0276 FAX(800) 892-6276
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AIR AND LUBE REQUIREMENTS
MAINTENANCE (CONT’D)
S Provide a clean work surface to protect sensitive internal moving
parts from contamination from dirt and foreign matter during serĆ
vice disassembly and reassembly.
WARNING EXCESSIVE AIR PRESSURE. Can cause pump
damage, personal injury or property damage.
S A filter capable of filtering out particles larger than 50 microns
should be used on the air supply. In most applications there is no
lubrication required other than the ``O" ring lubricant which is apĆ
plied during assembly or repair.
S When lubricated air is necessary, supply the air lubricator with a
good grade of SAE 90 wt. non-detergent oilandsetthelubricatorto
a rate not to exceed one drop per minute.
S Keep good records of service activity and include pump in prevenĆ
tive maintenance program.
S Before disassembling empty captured material in the outlet manĆ
ifold by turning the pump upside down to drain material from the
pump.
FLUID SECTION DISASSEMBL
Y
OPERATING INSTRUCTIONS
1. Remove top manifold(s).
2. Remove (22) balls, (19) ``O" rings and (21) seats.
3. Remove (15) fluid caps.
NOTE: Only PTFE diaphragm models use a primary (7) diaphragm
and a backup (8) diaphragm. Refer to the auxiliary view. Fig.1
4. Remove the (6) nut, (7) or (7/8) diaphragms and (5) washer.
NOTE: Do not scratch or mar the surface of (1) diaphragm rod.
S Always flush the pump with a solvent compatible with the material
being pumped if the material being pumped is subject to ``setting
up" when not in use for a period of time.
S Disconnect the air supply from the pump if it is to be inactive for a
few hours.
S The outlet material volume is governed not only by the air supply
but also by the material supply available at the inlet. The material
supply tubing should not be too small or restrictive. Be sure not to
use hose which might collapse.
FLUID SECTION REASSEMBL
Y
S When the diaphragm pump is used in a forced-feed (flooded inlet)
situation it is recommended that a ``Check Valve" be installed at the
air inlet.
SERVICE NOTE: ARO PN 204214-T Diaphragm Assembly Tool isrecĆ
ommended for use when reassembling the pump.
S Reassemble in reverse order.
new parts as required.
S Secure the diaphragm pump legs to a suitable surface to insure
S Clean and inspect all parts. Replace worn or damaged parts with
against damage by vibration.
S Lubricate (1) diaphragm rod and (144) ``U" cup with Lubriplate
FML-2 Grease. (94276 grease packet is included in service kit.)
S Be certain the diaphragm assembly bottoms out on the (1) rod,
back off Teflon Diaphragm assembly far enough to align holes.
S For models with Teflon diaphragms: Item (8) Santoprene diaĆ
phragm is installed with the side marked ``AIR SIDE" towards the
MAINTENANCE
Refer to the part views and descriptions as provided on page 4 through
7 for parts identification and Service Kit information.
S Certain ARO``Smart Parts" are indicated which should be available
pump center body. Install the (7)
Diaphragm with the side
PTFE
for fast repair and reduction of down time.
marked ``FLUID SIDE" towards the fluid cap.
S Re-check torque settings after pump hasbeenre-startedandruna
while.
S Service kits are divided to service two separate diaphragm pump
functions: 1. AIR SECTION, 2. FLUID SECTION. The FLUID SECĆ
TION is divided further to match typical part MATERIAL OPTIONS.
Kynar R is a registered trademark of Penwalt Corp. S Geolast R is a registered trademark of Advanced Elastomer Systems
Santoprene R is a registered trademark of Monsanto Company, licensed to Advanced Elastomer Systems, L.P.
PD30X-X
PAGE 3 OF 8
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PARTS LIST / PD30X–X FLUID SECTION
FLUID SECTION SERVICE KITS (637303–XX)
L KITS INCLUDE: BALLS (See Ball Option, refer to -XX in chart below), DIAPHRAGMS (See Diaphragm Option, refer to -XX in
chart below), and items; 19, 70, 144, 175, (listed below) plus (174) and 94276 Lubriplate FML-2 grease (page 6).
SEAT OPTIONS PD30X-XXX-XXX
``21"
SEAT (4)
L ``19"
``21''
SEAT (4)
L ``19''
GASKET
GASKET
[MTL]
QTY [MTL]
[MTL]
QTY [MTL]
-XXX
-XXX
-AXX 94104-A
-GXX 94104-G
-HGX 94114
-HAX 94114
[SP] -------
---
---
(8)
---
---
[B]
[E]
[T]
-KXX 94621-K
-SGX 94113
-SAX 94113
[K] Y328-350
(4)
(8)
(8)
(8)
[T]
[B]
[E]
[T]
[G] -------
[SH] Y325-350
[SH] 94115
[SS] Y325-350
[SS] 94115
(8)
-STX
94113
[SS] Y328-350
-HTX
94114
[SH] Y328-350
(8)
MATERIAL CODE
BALL OPTIONS
PD30X-XXX-XXX
DIAPHRAGM OPTIONS
PD30X-XXX-XXX
[A] = Aluminum
[B] = Buna ``N''
[C] = Carbon Steel
[Co] = Copper
[CI] = Cast Iron
[E] = E.P.R.
[G] = Geolast
[Ha] = Hastelloy - C
[K] = PVDF
[SH] = Hard S'Steel
[SP] = Santoprene
[SS] = Stainless Steel
L ``22" (3.25" dia.)
L SERVICE KIT
-XX = (Ball)
-XX = (Diaphragm)
L ``7" / ``8"
[MTL]
DIAPHRAGM(2) [MTL]
-XXX
-XAX
-XXX
BALL (4)
94103-A
[SP]
[G]
[T]
-XXA
-XXG
-XXT
637303-XA
637303-XG
637303-XT
94091-A
94091-G
[SP]
[G]
-XGX
-XTX
94103-G
94103-T
[T] =
PTF E
94090-T / 94110-A [T/SP]
CENTER SECTION PART OPTIONS PD30X-
PD30A-
PD30S-
ITEM
QTY PART NO.
[MTL] PART NO.
[MTL]
DESCRIPTION (SIZE IN INCHES)
5
Backup Washer
(2)
(2)
(1)
(1)
(2)
66167
[SS] 66167
[SS]
[SS]
[SS]
[SS]
[B]
32 Leg
94101-1
94030-1
94030-2
Y325-117d
[C] 94101-2
[A] 94031-1
[A] 94031-2
[B] Y325-118f
68 Air Cap
69 Air Cap
Ln175 ``O" Ring (3/32" x d1" o.d. / f1-1/16" o.d.)
MANIFOLD THREAD / FLUID CAP MATERIAL OPTIONS PD30X-XXX-
PD30X-XHX-
PD30X-XAX-
PD30X-XCX-
PD30X-XSX-
ITEM DESCRIPTION
QTY PART NO.
[MTL] PART NO.
[MTL] PART NO.
[MTL] PART NO.
[MTL]
[SS]
[SS]
[SS]
[SS]
6
Diaphragm Screw
(2)
(2)
(1)
(1)
94096
[A] 94094
[SS] 94690
[Ha] 94094
15 Fluid Cap
60 Outlet Manifold
61 Inlet Manifold
94024
[A] 94106
[CI] 94693
[Ha] 94107
94118-[u] [A] 94105-[u] [CI] 94692-[u]
94218-[u] [A] 94305-[u] [CI] 94691-[u]
For BSP models (PD30X-BXX-XXX), use ``-2''.
[Ha] 94116-[u]
[Ha] 94216-[u]
u For NPT models (PD30X-AXX-XXX), use ``-1''
EXTERNAL HARDWARE OPTION PD30X-XXX-
PD30X-XXP-
PD30X-XXS-
ITEM DESCRIPTION (SIZE IN INCHES)
QTY PART NO.
[MTL] PART NO.
[MTL]
26 Screw (M12 x 1.75 - 6g x 45 mm)
(28) 94412-1
[C] 94412-2
[SS]
COMMON PARTS
ITEM DESCRIPTION (Size in Inches)
QTY PART NO.
[MTL]
ITEM DESCRIPTION (Size In Inches)
QTY PART NO.
[MTL]
1
Rod
43 Ground Lug
Ln70 Gasket
(1) 94093
(1) 93004
(2) 94100
[C]
[Co]
[B]
131 Screw (M10 x 1.5 - 6g x 120 mm)
Ln144 ``U" Cup (3/16" x 1-3/8" o.d.)
n180 Gasket (.406" i.d. x .031" thick)
(4) 94531
(2) Y186-51
(4) 94098
[C]
[B]
[Co]
V ``Smart Parts'' keep these items on hand in addition to the Service Kits for fast repair and reduction of down time.
PAGE 4 OF 8
PD30X-X
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PARTS LIST / PD30X–X FLUID SECTION
FOR THE
AIR MOTOR SECTION
SEE PAGES 6 & 7
COLOR CODE
DIAPHRAGMBALL
COLOR
SEAT
MATERIAL
GEOLAST
PVDF
SANTOPRENE TAN
SANTOPRENE GREEN
(BACKUP)
BLACK
N/A
BLACK
N/A
TAN
BLACK
BLACK
TAN
N/A
26 ,G
60
N/A
WHITE
WHITE
N/A
PTFE
22
19zk
21
68
1
69
19z=k
70 k
5
7
6 ,
15
144 k
g
43
175 k
22
19z=k
21
180 131 x
19zk
26 ,G
61
FIGURE 1
32
VIEW OF TWO PIECE PTFE DIAPHRAGM
8
7
PTFE
SANTOPRENE
. TORQUE REQUIREMENTS ,
NOTE: DO NOT OVERTIGHTEN FASTENERS
ALL FASTENERS ARE METRIC
(6) Diaphragm Screw 60 - 70 ft lbs (81.4 - 94.9 Nm)
(26) Fluid Caps / Manifold Screw 60 - 70 ft lbs (81.4 - 94.9 Nm),
g Do not exceed 90 ft lbs (122 Nm) on (5) stud and apply Loctite
271 to threads.
G Apply anti-seize compound to threads when using
SS fasteners and stainless steel wet ends.
LUBRICATION / SEALANTS
k Apply Lubriplate FML-2 Grease to all
``O" rings, ``U" Cups & mating parts.
= USED WITH -HXX, KXX & -SXX ONLY
z USED WITH -HXX & -SXX ONLY
x Apply Loctite 242 to threads at assembly.
Z Lubriplate FML-2 is a white foodgrade petroleum grease
D006
PD30X-X
PAGE 5 OF 8
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PARTS LIST / PD30X–X AIR SECTION
n Indicates parts included in 637302 Air Section Service Kit shown below and items (70), (144), (175) and (180) shown on page 4.
AIR MOTOR PARTS
ITEM DESCRIPTION(Size in Inches)
101 Center Body (PD30A- )
Center Body (PD30S- )
103 Bushing
QTY PART NO.
(1) 94028
(1) 94109
(1) 94092
(1) 94034
(1) 92011
[MTL]
[A]
[SS]
[D]
[C]
[D]
[B]
[A]
[C]
[Z]
ITEM DESCRIPTION(Size In Inches)
135 Valve Block (PD30A- )
Valve Block (PD30S- )
QTY PART NO.
(1) 94032
[MTL]
[A]
[SS]
[D]
[B]
[B]
[B]
[D]
[U]
[B]
[Br]
[B]
[B]
[B]
[B]
[U]
[C]
(1) 94318
136 Piston Plug
(1) 94033
107 Inlet Plug
n 146 ``O" Ring z (3/32" x 1-1/16" o.d.)
(1) Y325-118
109 Piston
n 147 ``O" Ring z (1/8" x 1/2" o.d.) Also #174 (2) Y325-202
n 110 ``U" Cup (1-3/8" o.d.) (Also Item #144) (1) Y186-51
n 166 Track Gasket D
(1) 94026
111 Spool (PD30A- )
(1) 92005
(1) 93047
(5) 92877
(5) Y325-214
n 167 Pilot Piston (includes 168 and 169)
168 ``O" Ring (3/32" x 5/8" o.d.)
169 ``U" Cup (1/8" x 7/8" o.d.)
(1) 67164
Spool (PD30S- )
(2) 94433
112 Washer (1.556" o.d.)
n 113 ``O" Ring (small) (1/8" x 1-1/4" o.d.)
(1) Y240-9
(1) 94081
[B]
[B]
[Z]
170 Piston Sleeve
n 114 ``O" Ring (large) (3/32" x 1-9/16" o.d.) (7) Y325-126
n 171 ``O" Ring (3/32" x 1-1/8" o.d.)
n 172 ``O" Ring (1/16" x 1-1/8" o.d.)
n 173 ``O" Ring (1/16" x 1-3/8" o.d.)
Ln174 ``O" Ring (1/8" x 1/2" o.d.)
n 176 Diaphragm (Check Valve)
n 177 Retaining Ring (1.804" dia.)
181 Roll Pin z (.156" o.d. x 3/4" long)
LĂn Lubriplate FML-2 Grease
Lubriplate Grease Packets (10)
(1) Y325-119
(1) Y325-22
(2) Y325-26
(2) Y325-202
(2) 94102
V 115 Spacer
(4) 92876
(1) 94027
(2) 94083
(2) 94084
(1) 94099
116 Spacer
[A]
[SS]
[D]
[B]
118 Actuator Pin (.250" x 2.276")
121 Sleeve
n 132 Gasket (Valve Body)
133 Lockwasher (1/4") (PD30A- )
Lockwasher (1/4") (PD30S- )
134 Screw (M6 x 1.0 x 16 mm) (PD30A- )
Screw (M6 x 1.0 x 16 mm) (PD30S- )
(1) Y147-16-C
(3) Y117-416-C [C]
(3) Y14-416-T [SS]
(4) Y178-56-S [SS]
(1) 94276
(4) 96721030
(4) 96720081
[C]
637308
[SS]
z
D
Used on Stainless Steel models (PD30S- ) only.
Used on Aluminum models (PD30A- ) only.
AIR MOTOR SECTION SERVICE
MATERIAL CODE
[A] = Aluminum
[B] = Buna ``N"
[Br] = Brass
[CI] = Cast Iron
[D] = Acetal
[SP] = Santoprene
[SS] = Stainless Steel
[U] = Polyurethane
[Z] = Zinc
Service is divided into two parts - 1.Pilot Valve, 2.Major Valve.
GENERALREASSEMBLY NOTES:
[C] = Carbon Steel
S Air Motor Section Service is continued from Fluid Section repair.
S Inspect and replace old parts with new parts asnecessary. Look for
deep scratches on metallic surfaces, and nicks or cuts in ``O" rings.
S Take precautions to prevent cutting ``O" rings upon installation.
S Lubricate ``O" rings with Lubriplate FML-2 Grease.
MAJOR
V
ALVE DISASSEMBL
Y
1. Remove (135) valve block exposing gaskets (166), (132) and (176)
checks.
S Do not over-tighten fasteners, refer to torque specification block on view.
S Re-torque fasteners following restart.
2. Remove (177) snap ring and (107) inlet plug.
3. On the side opposite the air inlet, push on the inner diameter (111)
spool. This will force the (136) piston plug and (109) piston out.
Continue pushing the (111) spool and remove. Check for scratches
or gouges.
S SERVICE TOOLS - To aid in the installation of (168) ``O'' rings onto
the (167) pilot piston, use Tool # 204130-T, available from Aro.
4. Remove the Major Valve parts (112-116).
PILOT
V
ALVE DISASSEMBL
Y
1. A light tap on (118) should expose the opposite (121) sleeve, (167)
pilot piston and other parts.
2. Remove (170) sleeve, inspect inner bore of sleeve for damage.
MAJOR
V
ALVE REASSEMBL
Y
1. Replace (112) washer, (114) ``O" ring, (113) ``O" ring onto (115)
spacer and insert etc. Continue this routine to build the major valve
stack.
NOTE: Be careful to orient spacer legs away from blocking interĆ
nal ports.
PILOT
V
ALVE REASSEMBL
Y
1. Clean and lubricate parts not being replaced from service kit.
2. Install new (171), (172) ``O" rings, replace (170) sleeve.
3. Install new (168) ``O" rings, (169) seal - Note the lip direction. LubriĆ
cate and replace (167).
2. Replace (111) spool on (136) plug, (110) seal on (109) piston and
replace (109), (136) plug and (177) snap ring.
4. Reassemble remaining parts, replace (173) and (174) ``O" rings.
V ``Smart Parts" Keep these items on hand in addition to the Service Kits for fast repair and reduction of down time.
PAGE 6 OF 8
PD30X-X
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PARTS LIST / PD30X–X AIR SECTION
MAJOR VALVE CROSS SECTION DETAIL
PILOT VALVE
PART GROUP
174 k
114k
109 110k
113k
112
115
111
116
118
121
169 k
168 k
172 k
171 k
173 k
121
118
174 k
FIGURE 3
173 k
167
170
177
136
109
114 k
110 k
u Substitute these
``O" rings for ``166''
on models PD30S.
111
147 k
146 k
176
166 u k
132 k
135
133
103
101
.134
FIGURE 2
181 (PD30S- only)
112
113 k
114 k
115
Optional 94117 Muffler
MAJOR VALVE
See cross section
detail figure 3 above.
113 k
114 k
116
IMPORTANT
BE CERTAIN TO ORIENT (115) SPACER LEGS
AWAY FROM BLOCKING INTERNAL PORTS
WHEN REASSEMBLING AIR SECTION.
114 k
.
T
ORQUE REQUIREMENTS
,
NOTE: DO NOT OVERTIGHTEN FASTENERS
ALL FASTENERS ARE METRIC
Torque (134) Screw to 40 - 50 in. lbs (4.5 - 5.6 Nm)
107
A Major Valve Service Asm. is available separately which includes the following.
LUBRICATION / SEALANTS
Apply Lubriplate FML-2 Grease to ``O" rings, ``U" Cups
Valve Asm. Pump Models
67089-1 PD30A-
67089-2 PD30S-
Items Included
107-116,132,135,136,166,176,177
107-116,132,135,136,146,147,176,177
k
& mating parts.
PD30X-X
PAGE 7 OF 8
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TROUBLE SHOOTING
Product discharged from exhaust outlet.
S Check for diaphragm rupture.
Low output volume, erratic flow, or no flow.
S Check air supply.
S Check tightness of diaphragm nut.
Air bubbles in product discharge.
S Check for plugged outlet hose.
S Check for kinked (restrictive) outlet material hose.
S Check for kinked (restrictive) or collapsed inlet material hose.
S Check for pump cavitation - suction pipe should be sized at leastas
large as the inlet thread diameter of the pump for proper flow if high
viscosity fluids are being pumped. Suction hose must be a non-colĆ
lapsing type, capable of pulling a high vacuum.
S Check all joints on the inlet manifolds and suction connections.
These must be air tight.
S Check connections of suction plumbing.
S Check ``O" rings between intake manifold and fluid caps.
S Check tightness of diaphragm nut.
Motor blows air or stalls.
S Check (176) check valve for damage or wear.
S Check for restrictions in valve / exhaust.
S Inspect the pump for solid objects logged in the diaphragm chamĆ
ber or the seat area.
DIMENSIONAL DATA
(Dimensions shown are for reference only, they are displayed in inches and millimeters (mm).
17-11/16
(450 mm)
23-5/8
15
(599 mm)
(381 mm)
MATERIAL
OUTLET
3'' NPT
PD30X-AXX-XXX
3'' BSP
PD30X-BXX-XXX
23-3/8
(594 mm)
AIR INLET
3/4'' NPT
29-5/16
(744 mm)
Dotted lines show optional
94085 Muffler Asm.
3-13/16
(97 mm)
MATERIAL
INLET
13-1/2
(343 mm)
12
(305 mm)
1-1/2 NPT Exhaust port.
17/32 SLOT
(14 mm)
13-1/2
(343 mm)
OPTIONAL ACCESSORY: 66109 Airline Connection Kit
FIGURE 4
D009
PN 97999-639
PD30X-X
PAGE 8 OF 8
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