Ingersoll Rand Water Pump PD30X X User Manual

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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