Ingersoll-Rand ARO 650718-C User Manual

Page 1
OPERATOR’S MANUAL 650718-C
INCLUDING: OPERATION, INSTALLATION & MAINTENANCE
1-1/2" DIAPHRAGM PUMP
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.

SERVICE KITS

637118-C for air section repair (see page 6). 637138-63 for  uid section repair (see page 4).

PUMP DATA

Models . . . . . . . . . . . . . . . . . . . 650718-C
Application . . . . . . . . . . . . . . Diesel Fuel, Kerosene, Aviation
Fuel, Fuel Oil and Unleaded Fuel
Pump Type . . . . . . . . . . . . . . . U.L. Listed Metallic Air Operated
Double Diaphragm for use with Petroleum Product Dispensing Systems
Material . . . . . . . . . . . . . . . . . . see Model Description Chart
Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60.44 lbs (27.4 kgs)
Maximum Air Inlet Pressure . . . . . . . . 50 p.s.i.g. (3.4 bar)
Maximum Outlet Pressure . . . . . . . . . . 50 p.s.i.g. (3.4 bar)
Maximum Flow Rate
( ooded inlet)
Displacement / Cycle @ 100 p.s.i.g. . 0.64 gal. (2.42 lit.)
Maximum Particle Size . . . . . . . . . . . . . 1/4” dia. (6.4 mm)
Maximum Temperature Limits (diaphragm / ball / seal /
seat material)
Acetal . . . . . . . . . . . . . . . . . . . . 10° to 180° F (-12° to 82° C)
Kynar® PVDF . . . . . . . . . . . . . . 10° to 200° F (-12° to 93° C)
Viton® . . . . . . . . . . . . . . . . . . . . -40° to 350° F (-40° to 177° C)
Dimensional Data . . . . . . . . . . . . . . . . . . . see page 8
Noise Level @ 70 p.s.i., 60 c.p.m. . . . . . . 77.7 db(A)
The pump sound pressure levels published here have been updated to
c
an Equivalent Continuous Sound Level (L S1.13-1971, CAGI-PNEUROP S5.1 using four microphone locations.
. . . 75 g.p.m. (283.9 l.p.m.)
c
) to meet the intent of ANSI
Aeq

MODEL DESCRIPTION CHART

Diaphragm Material
8 - Viton
RELEASED: 8-11-03 REVISED:
8)
(REV. 0
12-2-10
Figure 1
65071 8 - C
INGERSOLL RAND COMPANY LTD
209 NORTH MAIN STREET – BRYAN, OHIO 43506
(800) 495-0276 FAX(800) 892-6276
www.ingersollrandproducts.com
© 2010 CCN 15201429
Center Body Material
Aluminum
Fluid Connection
1-1/2 - 11-1/2 N.P.T.F. - 1
Fluid Cap / Manifold Material, Hardware
Aluminum / Aluminum, Steel hardware
Seat Material
Kynar PVDF
Ball Material
Acetal
Page 2

OPERATING AND SAFETY PRECAUTIONS

READ, UNDERSTAND AND FOLLOW THIS INFORMATION TO AVOID INJURY AND PROPERTY DAMAGE.
EXCESSIVE AIR PRESSURE STATIC SPARK
WARNING
EXCESSIVE AIR PRESSURE. Can cause per­sonal injury, pump damage or property damage. Do not exceed the maximum inlet air pressure as
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stated on the pump model plate. Be sure material hoses and other components are able
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to withstand  uid pressures developed by this pump. Check all hoses for damage or wear. Be certain dispens­ing device is clean and in proper working condition.
WARNING
STATIC SPARK. Can cause explosion result­ing in severe injury or death. Ground pump and pumping system. Sparks can ignite  ammable material and vapors.
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The pumping system and object being sprayed must
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be grounded when it is pumping,  ushing, recirculat­ing or spraying flammable materials such as paints, solvents, lacquers, etc. or used in a location where sur­rounding atmosphere is conductive to spontaneous combustion. Ground the dispensing valve or device, containers, hoses and any object to which material is being pumped. Use the pump grounding screw terminal provided.
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Use ARO® part no. 66885-1 ground kit or connect a suitable ground wire (12 ga. minimum) to a good earth ground source. Secure pump, connections and all contact points to
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avoid vibration and generation of contact or static spark. Consult local building codes and electrical codes for
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speci c grounding requirements. After grounding, periodically verify continuity of
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electrical path to ground. Test with an ohmmeter from each component (e.g., hoses, pump, clamps, con­tainer, spray gun, etc.) to ground to insure continuity. Ohmmeter should show 0.1 ohms or less. Submerse the outlet hose end, dispensing valve or
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device in the material being dispensed if possible. (Avoid free streaming of material being dispensed.) Use hoses incorporating a static wire.
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Use proper ventilation.
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Keep in ammables away from heat, open  ames and
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sparks. Keep containers closed when not in use.
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WARNING
Pump exhaust may contain contaminants. Can cause severe injury. Pipe exhaust away from work area and personnel. In the event of a diaphragm rupture, material can be
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forced out of the air exhaust mu er. Pipe the exhaust to a safe remote location when
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pumping hazardous or in ammable materials. Use a grounded 3/4” minimum i.d. hose between the
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pump and the mu er.
WARNING
HAZARDOUS PRESSURE. Can result in seri­ous injury or property damage. Do not service or clean pump, hoses or dispensing valve while the sys­tem is pressurized. Disconnect air supply line and relieve pressure from
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the system by opening dispensing valve or device and / or carefully and slowly loosening and removing out-
HAZARDOUS MATERIALS HAZARDOUS PRESSURE
let hose or piping from pump.
WARNING
HAZARDOUS MATERIALS. Can cause serious injury or property damage. Do not attempt to return a pump to the factory or service center that contains hazardous material. Safe handling practices must comply with local and national laws and safety code requirements. Obtain Material Safety Data Sheets on all materials
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from the supplier for proper handling instructions.
WARNING
EXPLOSION HAZARD. Models containing aluminum parts cannot be used with 1,1,1-trichlo­roethane, methylene chloride or other halogenated hydrocarbon solvents which may react and explode. Check pump motor section,  uid caps, manifolds and
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all wetted parts to assure compatibility before using with solvents of this type.
CAUTION
Verify the chemical compatibility of the pump wetted parts and the substance being pumped, flushed or recirculated. Chemical compatibility may change with temperature and concentration of the chemical(s) within the substances being pumped,  ushed or circulated. For speci c  uid compatibility, consult the chemical manufacturer.
CAUTION
Maximum temperatures are based on mechanical stress only. Certain chemicals will signi ­cantly reduce maximum safe operating temperature. Consult the chemical manufacturer for chemical com­patibility and temperature limits. Refer to PUMP DATA on page 1 of this manual.
CAUTION
Be certain all operators of this equipment have been trained for safe working practices, under­stand it’s limitations, and wear safety goggles / equip­ment when required.
CAUTION
Do not use the pump for the structural sup­port of the piping system. Be certain the system com­ponents are properly supported to prevent stress on the pump parts. Suction and discharge connections should be flex-
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ible connections (such as hose), not rigid piped, and should be compatible with the substance being pumped.
CAUTION
Prevent unnecessary damage to the pump. Do not allow pump to operate when out of material for long periods of time. Disconnect air line from pump when system sits idle
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for long periods of time.
CAUTION
Use only genuine ARO replacement parts to assure compatible pressure rating and longest service life.
NOTICE
Replacement warning labels are available upon request: “Static Spark” pn \ 93616-1, Diaphragm Rupture” pn \ 93122.
WARNING
= Hazards or unsafe practices which
could result in severe personal injury, death or substantial property damage.
CAUTION
= Hazards or unsafe practices which
could result in minor personal injury, product or property damage.
NOTICE
= Important installation, operation or
maintenance information.
Page 2 of 8 650718-C (en)
Page 3

GENERAL DESCRIPTION

The ARO U.L. listed pump for pumping petroleum products, offers high volume delivery even at low air pressures and easy self-priming. This model is designed specifically for transfer, bulk unloading or fueling applications. It includes a pressure relief valve (per U.L. Speci cation 79) which restricts the  uid outlet pressure to under 50 p.s.i. (3.4 bar). The relief valve can be plumbed to return the bleed o fuel to the stor­age container.

AIR AND LUBE REQUIREMENTS

WARNING
and property damage. The air supply must be limited to 50 p.s.i.g. (3.4 bar) maximum inlet air pressure.
The air supply line or hose to the pump should be ad-
y
equately sized to carry a sufficient volume of air to the pump. The material inlet supply tubing should not be too small or restrictive which will inhibit material flow. The outlet material volume is governed not only by the air supply but also by the material volume available at the inlet. Air supply provided should be filtered to provide clean
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dry air. A filter capable of filtering out particles larger than 50 microns should be used on the air supply. There is no lubrication required other than the “O” ring lubricant which is applied during assembly or repair. If lubricated air is present, make sure that it is compatible
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with the “O” rings and seals in the air motor section of the pump.
EXCESSIVE AIR PRESSURE. Can cause pump

INSTALLATION

IMPORTANT
Requirements for the installation are included in the
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Flammable and Combustible Liquids Code, NFPA No. 30, Automotive and Marine Service Station Code, NFPA No. 30A and the National Electric Code, ANSI / NFPA No. 70. A  uid return hose which is compatible with the  uid be-
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ing pumped must be installed to the relief valve on the outlet manifold to return  uid back to the supply tank or pump inlet. The pump must be grounded to prevent static discharge.
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Grounding may be accomplished through the legs or to the ground lug provided on the pump.
Notice that the material inlet / outlet manifolds may be
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removed and rotated 180° to facilitate various mounting applications. If the body of the pump must be rotated, remove the end
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covers and manifolds and index it so the bolts line up properly. NOTE: The arrow on the end caps must always point upward for optimum performance. When the diaphragm pump is used in a force-feed situa-
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tion, it is recommended that a check valve be installed at the air inlet to keep material out of air line in the event of diaphragm failure. Secure diaphragm pump legs to a suitable surface to in-
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sure against damage by excessive vibration.

OPERATING INSTRUCTIONS

The pump should never be operated at pressures exceed-
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ing 50 p.s.i.g. (345 kPa) inlet air pressure. This pump is equipped with a pressure relief valve on the material out­let manifold which will open at 40 +/-4 p.s.i. (2.76 bar) to relieve pressure increases in the outlet hoses / plumbing caused by thermal expansion or other external forces. Disconnect the air supply from the pump if it is to be in-
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active for a few hours.

MAINTENANCE

Refer to the part views and descriptions as provided on pages 4 through 7 for parts identi cation and service kit in­formation.
Certain ARO “Smart Parts” are indicated which should be
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available for fast repair and reduction of down time. Service kits are available to service two separate
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diaphragm pump functions: 1. AIR SECTION, 2. FLUID SECTION. The Fluid Section is divided further to match typical active Material Options. Provide a clean work surface to protect sensitive internal
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moving parts from contamination from dirt and foreign matter during service disassembly and reassembly. Keep good records of service activity and include the
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pump in preventive maintenance program. Before disassembling, empty captured material in the
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outlet manifold by turning the pump upside down to drain material from the pump.
Loctite® is a registered trademark of Henkel Loctite Corporation y ARO® is a registered trademark of Ingersoll-Rand Company y 262™, 271™ and 572™ are trademarks of Henkel Loctite Corporation
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650718-C (en) Page 3 of 8
Kynar® is a registered trademark of Arkema Inc. y Viton® is a registered trademark of the DuPont Company
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Page 4
PARTS LIST / 650718-C FLUID SECTION
637138-63  uid section service kits include: Balls (item 22), diaphragms (item 7) plus items 2, 3, 19 and 93706-1 Key-Lube grease
n
(page 6).
PARTS LIST
Item Description
1 Rod (1) 98720-1 [C]
o
2 “O” Ring
n
3 “O” Ring
n
5 Plate - air side (2) 92752 [C]
6 Plate -  uid side (2) 92752 [C]
o
7 Diaphragm (2) 92755-3 [V]
n
9 Washer
14 Screw
15 Fluid Cap (2) 92750 [A]
Manifold
16
Manifold
(size)
(3/32” x 1” o.d.)
(1/16” x 3/4” o.d.)
(0.630” i.d.)
(5/8” - 18 x 1-1/2”)
(top with valve port)
(bottom)
Qty Part No. [Mtl]
(1) Y330-117 [B]
(4) Y327-16 [V]
(2) 93065 [SS]
(2) Y5-107-T [SS]
(1) 93128 [A]
(1) 92749 [A]
Item Description
19 “O” Ring
n
21 Seat (4) 92942 [K]
22 Ball
n
26 Bolt
27 Bolt
29 Nut
32 Leg (2) 92759 [C]
43 Ground Lug
59 Bolt
81 Relief Valve (1) 96333 [Br]
(size)
(1/8” x 2-3/4” o.d.)
(1-3/4” diameter)
(3/8” - 16 x 1-1/4”)
(5/16" - 18 x 2-1/4”)
(5/16" - 18)
(see page 7)
(5/16" - 18 x 2”)
Qty Part No. [Mtl]
(4) Y327-230 [V]
(4) 92757-6 [D]
(8) Y6-66-C [C]
(4) Y6-510-C [C]
(20) Y12-5-C [C]
(1) 93004 [Co]
(16) 93608 [C]
Service Note: Part number 98931-T installation tool is available separately for use with items (1) and (2).
“Smart Parts”, keep these items on hand in addition to the service kit for fast repair and reduction of down time.
o
Service Kit Note: Extra “O” rings are included in kits to service models built prior to December 1989.
p

FLUID SECTION DISASSEMBLY

Remove top manifold(s).
1. Remove (22) balls, (19) “O” rings and (21) seats.
2. Remove (15)  uid caps.
3. Remove (14) screw, (9) washer, (3) “O” ring, (6) plate, (7)
4. diaphragm and (5) plate.
.
Remove (3) “O” rings.
5 NOTE: Do not scratch or mar the surface of (1) diaphragm rod.
y y
y
y
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FLUID SECTION REASSEMBLY

Reassemble in reverse order. Clean and inspect all parts. Replace worn or damaged parts with new parts as required. Lubricate (1) diaphragm rod and (2) “O” ring with Key­Lube “O” ring lube or equivalent. Use ARO pn 98931-T bullet (installation tool) to aid in in­stallation of (2) “O” ring on (1) diaphragm rod. Be certain (7) diaphragms align properly with (15) fluid caps before making  nal torque adjustments on bolt and nuts to avoid twisting the diaphragm. Re-check torque settings after pump has been re-started
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and run a while.
MATERIAL CODE
[A] = Aluminum [B] = Nitrile [Br] = Brass [C] = Carbon Steel [Co] = Copper [D] = Acetal [K] = Kynar PVDF [SS] = Stainless Steel [V] = Viton
Page 4 of 8 650718-C (en)
Page 5
PARTS LIST / 650718-C FLUID SECTION
29
FOR THE AIR MO-
TOR SECTION, SEE
PAGES 6 & 7.
2
1
1
8
3
5
10 9
6
4
81
16
26
3
7
5
14
3
Torque Sequence
7
2
22
19
21
15
59
27
Tab
9
6
22
21
19
26
3216
Figure 2
ASSEMBLY TORQUE REQUIREMENTS
)
(14) Diaphragm screw, 65 - 70 ft. lbs (88.1 - 94.9 Nm). (26) Bolt, 240 - 280 in. lbs (27.1 - 31.6 Nm). (29) Nut,
NOTE: DO NOT OVERTIGHTEN FASTENERS.
120 - 140 in. lbs (13.6 - 15.8 Nm).
(
Air side
Cross section view of diaphragm.
650718-C (en) Page 5 of 8
Fluid side
Apply Key-Lube grease (93706-1) to all “O” rings, “U” cups and
c
mating parts.
Apply Loctite® 271™ to threads.
d
Apply gasolene-resistant pipe sealant to pipe threads.
g
NOTICE: Radius edge of parts (5 and 6) is against diaphragm.
h
LUBRICATION / SEALANTS
Page 6
PARTS LIST / 650718-C AIR MOTOR SECTION
Indicates parts included in 637118-C air section repair kit.
q
AIR MOTOR PARTS LIST
Item Description
101 Motor Body
102 “O” Ring
o
103 Sleeve (1) 94528 [D]
o
104 Retaining Ring
q
105 Screw / Washer
107 Plate (2) 93707-1 [SS]
108 Gasket
q
109 Piston (1) 92011 [D]
o
110 “U” Cup
q
111 Spool (1) 92005 [A]
o
112 Washer
113 “O” Ring
q
114 “O” Ring
q
115 Spacer (4) 92876 [Z]
o
116 Spacer (1) 92006 [Z]
o
117 Gasket (1) 92004 [B/Ny]
q
“Smart Parts”, keep these items on hand in addition to the service kit for fast repair and reduction of down time.
o
(size)
(includes items 195)
(0.07” x 1.25” o.d.)
(1-5/32 i.d.)
(1/4” - 20 x 5/8”)
(with notch)
(3/16” x 1-3/8” o.d.)
(1.556” o.d.)
(1/8” x 1-1/4” o.d.)
(3/32” x 1-9/16” o.d.)
(Qty) Part No. [Mtl]
(1) 93161 [A]
(2) 92960 [B]
(2) Y145-26 [C]
(8) 93860 [C]
(1) 92878 [B/Ny]
(1) Y186-51 [B]
(5) 92877 [Z]
(5) Y325-214 [B]
(6) Y325-126 [B]
Item Description
118 Pilot Rod (1) 93309-2 [C]
119 “O” Ring
q
120 Spacer (3) 115959 [Z]
121 Sleeve Bushing (2) 98723-2 [Bz]
122 “O” Ring
q
123 Screw
q
126 Pipe Plug
127 90° Street Elbow
128 Pipe Plug
195 Button Head Screw
196 Button Head Screw
201 Mu er (1) 350-568 [C]
Key-Lube “O” Ring Lubricant (1) 93706-1
q
Key-Lube, 10 Pack 637175
(size)
(1/8” x 3/4” o.d.)
(3/32” x 9/16” o.d.)
(#8 - 32 x 3/8”)
(1/2 - 14 N.P.T. x 17/32”)
(1/8 - 27 N.P.T. x 1/4”)
(3/4 - 14 N.P.T.)
(1/4” - 20 x 1/4”)
(1/4” - 20 x 3/8”)
(Qty) Part No. [Mtl]
(4) 93075 [U]
(2) 94820 [U]
(4) Y154-41 [C]
(1) Y227-5-L [C]
(1) Y43-5-C [C]
(1) Y227-2-L [C]
(2) 94987 [SS]
(1) 94987-1 [SS]
MATERIAL CODE
[A] = Aluminum [C] = Carbon Steel [SS] = Stainless Steel [B] = Nitrile [D] = Acetal [U] = Polyurethane [Bz] = Bronze [Ny] = Nylon [Z] = Zinc

AIR MOTOR SECTION SERVICE

Service is divided into two parts - 1. Pilot Valve, 2. Major Valve. GENERAL REASSEMBLY NOTES:
Air Motor Section service is continued from Fluid Section
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repair. Inspect and replace old parts with new parts as neces-
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sary. Look for deep scratches on metallic surfaces, and nicks or cuts in “O” rings. Take precautions to prevent cutting “O” rings upon instal-
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lation. Lubricate “O” rings with Key-Lube grease or equivalent.
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Do not over-tighten fasteners. Refer to torque speci ca-
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tion block on view. Re-torque fasteners following restart.
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PILOT VALVE DISASSEMBLY

Remove (104) retaining ring.
1. Remove (123) screws and (122) “O” rings.
2. Remove (118) pilot rod, (121) sleeve bushing, (119) “O”
3. rings and (120) spacers from the (101) motor body.
.
Remove (103) sleeve and (102) “O” rings.
4

PILOT VALVE REASSEMBLY

Replace two (102) “O” rings, if worn or damaged, and rein-
1. stall (103) sleeve. Install one of the (121) sleeve bushings, (119) “O” rings,
2. (120) spacers and the remaining (121) bushing. Carefully push (118) pilot rod into bushing etc. and retain
3. on each end with the two (122) “O” rings. Retain with (123) screws. Replace (104) retaining rings.
4.

MAJOR VALVE DISASSEMBLY

Remove (107) plate and (108 and 117) gaskets.
1. On the side opposite the air inlet, push on the inner di-
2. ameter of (111) spool. This will force the (109) piston out. Continue pushing the (111) spool and remove. Check for scratches and gouges. Reach into the air section (exhaust side) and remove (116)
3. spacer, (115) spacers, (113) “O” rings, (114) “O” rings, (112) washers, etc. Check for damaged “O” rings.

MAJOR VALVE REASSEMBLY

NOTE: Replace worn parts as necessary. Lubricate “O” rings with Key-Lube or equivalent when reassembling.
Replace (112) washer, (114) “O” ring and (113) “O” ring
1. onto (115) spacer and insert etc. NOTE: Be careful to ori-
ent spacer legs away from blocking internal ports.
Lubricate and carefully insert (111) spool.
2. Install (117) gasket and (107) plate.
3. Lubricate and install (110) packing cup and insert (109)
4. piston into (air inlet side) cavity, the (110) packing cup lips should point outward.
.
Install (108) gasket and replace (107) plate.
5
Page 6 of 8 650718-C (en)
Page 7
PARTS LIST / 650718-C AIR MOTOR SECTION
BE CERTAIN TO ORIENT (115) SPACER LEGS
AWAY FROM BLOCKING INTERNAL PORTS
WHEN REASSEMBLING AIR SECTION.
IMPORTANT
115 116
114
113
112
101
195
104
123
121
LEGS
111
MAJOR VALVE
See cross section detail,  gure 4.
Figure 3
105
117
107
195
43
196
105
107
108
109
110
MAJOR VALVE CROSS SECTION DETAIL
114
110
128
102
103
104
126
119
PILOT VALVE
121
123
118
122
120
201
127
116111115112109 113
) ASSEMBLY TORQUE REQUIREMENTS (
NOTE: DO NOT OVERTIGHTEN FASTENERS.
(105) Screws, 40 - 50 in. lbs (4.5 - 5.6 Nm).
LUBRICATION / SEALANTS
c Apply Key-Lube grease to all “O” rings, “U” cups and
Figure 4
650718-C (en) Page 7 of 8
mating parts.
d Apply Loctite 271 to threads. e Apply Loctite 262™ to threads. f Apply Loctite 572™ to threads.
Page 8

TROUBLE SHOOTING

Product discharged from exhaust outlet.
Check for diaphragm rupture.
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Check tightness of (14) diaphragm screw.
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Air bubbles in product discharge.
Check connections of suction plumbing.
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Check “O” rings between intake manifolds and  uid caps.
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Check tightness of (14) diaphragm screw.
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DIMENSIONAL DATA

Dimensions shown are for reference only, they are displayed in inches and millimeters (mm).
N
(air inlet)
M
(material outlet)
A
Low output volume, erratic  ow or no  ow.
Check air supply.
y
Check for plugged outlet hose.
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Check for kinked (restrictive) outlet material hose.
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Check for kinked (restrictive) or collapsed inlet material
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hose. Check for pump cavitation - suction pipe should be sized
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at least as large as the inlet thread diameter of the pump for proper  ow if high viscosity  uids are being pumped. Suction hose must be a non-collapsing type, capable of pulling a high vacuum. Check all joints on the intake manifolds and suction con-
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nections. These must be air tight. Inspect the pump for solid objects lodged in the dia-
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phragm chamber or the seat area.
Q
(pressure relief valve)
E
F
B
G
L
D
H
J
P
(air exhaust)
M
(material inlet)
DIMENSIONS
A - 13-1/8” (333.4 mm) B - 18-3/8” (466.7 mm) C - 9” (228.6 mm) D - 2-3/4” (69.9 mm) E - 14-13/16” (376.2 mm)
Page 8 of 8 650718-C (en)
F - 11-1/2” (292.1 mm) G - 19-5/8” (498.5 mm)
10-3/4” (273 mm)
H ­J - 12
” (305mm)
K - 17/32” (13.5 mm)
K
C
L - 7-5/8” (193.7 mm) M - 1-1/2 - 11-1/2 N.P.T.F. - 1 N - 1/2 - 14 N.P.T.F. - 1 P - 3/4 - 14 N.P.T.F. - 1 Q - 1/4 - 18 N.P.T.
Figure 5
PN 97999-1064
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