SERVICE AND OPERATING MANUAL
®
Model EB ½-A
Type 2
PLEASE NOTE!
The photos shown in this manual are for general instruction only. Your specific
model may not be shown. Always refer to the parts list and exploded view drawing for
your specific model when installing, disassembling or servicing your pump.
PRINCIPLE OF PUMP OPERATION
This ball valve pump is powered by compressed air and is a 1:1 pressure ratio
design. It alternately pressurizes the inner side of one diaphragm chamber, while
simultaneously exhausting the other inner chamber. This causes the diaphragms,
which are connected by a common rod, to move endwise. Air pressure is applied
over the entire surface of the diaphragm, while liquid is discharged from the opposite
side. The diaphragm operates under a balanced condition during the discharge
stroke, which allows the unit to be operated at discharge heads over 200 feet (61
meters) of water head.
Since the diaphragms are connected by a common rod, secured by plates to the
center of the diaphragms, one diaphragm performs the discharge stroke, while the
other is pulled to perform the suction stroke in the opposite chamber.
For maximum diaphragm life, keep the pump as close to the liquid being pumped
as possible. Positive suction head in excess of 10 feet of liquid (3.048 meters) may
require a back pressure regulating device. This will maximize diaphragm life.
Alternate pressuring and exhausting of the diaphragm chamber is performed by
means of an externally mounted, pilot operated, four-way spool type air distribution
valve. When the spool shifts to one end of the valve body, inlet air pressure is applied
to one diaphragm chamber and the other diaphragm chamber exhausts. When the
spool shifts to the opposite end of the valve body, the porting of chambers is reversed. The air distribution valve spool is moved by an internal pilot valve which
alternately pressurizes one side of the air distribution valve spool, while exhausting
the other side. The pilot valve is shifted at each end of the diaphragm stroke by the
diaphragm plate coming in contact with the end of the pilot valve spool. This pushes
it into position for shifting of the air distribution valve.
The chambers are manifolded together with a suction and discharge check valve
for each chamber, maintaining flow in one direction through the pump.
INSTALLATION & START-UP
Locate the pump as close to the product being pumped as possible, keeping
suction line length and number of fittings to a minimum. Do not reduce line size.
For installations of rigid piping, short flexible sections of hose should be installed
between pump and piping. This reduces vibration and strain to the piping system. A
Warren Rupp Tranquilizer
sation in flow.
This pump was tested at the factory prior to shipment and is ready for operation.
It is completely self-priming from a dry start for suction lifts of 10 feet (3.05 meters) or
less. For suction lifts exceeding 10 feet of liquid, fill the chambers with liquid prior to
priming.
®
surge suppressor is recommended to further reduce pul-
IMPORTANT
Read these instructions completely,
before installation and start-up. It is the
responsibility of the purchaser to retain
this manual for reference. Failure to
comply with the recommendations
stated in this manual will damage the
pump, and void factory warranty.
WARNING
Take action to prevent static sparking.
Fire or explosion can result, especially
when handling flammable liquids. The
pump, piping, valves, containers or
other miscellaneous equipment must be
grounded.
BEFORE OPERATION
Before pump operation, inspect all
gasketed fasteners for looseness
caused by gasket creep. Retorque loose
fasteners to prevent leakage. Follow
recommended torques stated in the card
attached to the new pump.
HAZARD WARNING
POSSIBLE EXPLOSION HAZARD can
result if 1, 1, 1,-Trichloroethane,
Methylene Chloride or other
Halogenated Hydrocarbon solvents are
used in pressurized fluid systems
having Aluminum or Galvanized wetted
parts. Death, serious bodily injury and/
or property damage could result.
Consult with the factory if you have
questions concerning Halogenated
Hydrocarbon solvents.
AIR SUPPLY
Air supply pressures cannot exceed 100 psi (6.89 bar). Connect the pump air inlet
to an air supply of sufficient capacity and pressure required for desired performance.
When the air line is solid piping, use a short length of flexible hose, not less than
(19mm) in diameter, between pump and piping to eliminate strain to pipes. Use of a
Warren Rupp Filter/Regulator in the air line is recommended.
3
¦4"
Air Inlet Capscrews.
AIR INLET & PRIMING
For start-up, open an air valve approximately 1¦2 to 3¦4 turn. After the unit primes, an
air valve can be opened to increase flow as desired. If opening the valve increases
WARREN RUPP, INC. A Unit of IDEX Corporation • P.O. Box 1568 • Mansfield, Ohio 44901-1568 USA • (419) 524-8388 Fax (419) 522-7867 • www.warrenrupp.com
520-069-000 8/00 Model EB½-A Type 2 Page 1
cycling rate, but does not increase flow rate, cavitation has occurred, and the valve
should be closed slightly.
For the most efficient use of compressed air and the longest diaphragm life, throttle
the air inlet to the lowest cycling rate that does not reduce flow.
AIR EXHAUST
If a diaphragm fails, the pumped liquid or fumes can enter the air end of the pump,
and be exhausted into the atmosphere. When pumping hazardous or toxic materials,
pipe the exhaust to an appropriate area for safe disposition.
This pump can be submerged if materials of construction are compatible with the
liquid. The air exhaust must be piped above the liquid level. Piping used for the air
exhaust must not be smaller than 3/8" (.9525 cm). Reducing the pipe size will restrict
air flow and reduce pump performance. When the product source is at a higher level
than the pump (flooded suction), pipe the exhaust higher than the product source to
prevent siphoning spills. Use exhaust kit 475-107-000 to pipe out exhaust.
Freezing or icing-up of the air exhaust can occur under certain temperature and
humidity conditions. Use of a Warren Rupp Air Dryer unit should eliminate most icing
problems.
BETWEEN USES
When used for materials that tend to settle out or transform to solid form, the pump
should be completely flushed after each use, to prevent damage. Product remaining
in the pump between uses could dry out or settle out. This could cause problems with
valves and diaphragms at re-start. In freezing temperatures, the pump must be
drained between uses in all cases.
DIAPHRAGM SERVICING
Remove the two V-Band clamps securing the outer chambers to the intermediate
housing. Remove the diaphragm assembly (outer plate, diaphragm, inner plate) by
turning the assembly counterclockwise using a 3/4" wrench on the outer plate lugs. If
a socket is used, it must be a six point socket. The interior components consisting of
the shaft seal and pilot valve assembly are now accessible for service.
Procedures for reassembling the diaphragms are the reverse of the above. During
reassembly make certain that the rubber bumper is on the rod on each side. Install
the diaphragm with the natural bulge outward.
Install the outer diaphragm plate on the outside of the diaphragm and make
certain that the large radius side of the inner plate is toward the diaphragm. Tighten
the outer diaphragm plate to approximately 90 in. lbs. (10.16 Newton meters).
Torque while allowing the diaphragm to turn freely with plates. Use a wrench
on the outer diaphragm plate of the opposite side to keep rod from rotating. If the
opposite chamber is assembled, the rod need not be held.
Accessing the check valves.
Exhaust cap assembly.(475-107-000)
Sleeve and spool.
CHECK VALVE SERVICING
Need for inspection or service is usually indicated by poor priming, unstable
cycling, reduced performance or the pump's cycling but not pumping.
Inspect the surfaces of both check valve and seat for wear or damage that could
prevent proper sealing. If pump is to prime properly, valves must seat air tight.
A Note about Air Valve Lubrication
The pump’s pilot and main air valve assemblies are designed to operate WITHOUT lubrication. This is the preferred mode of operation. There may be instances of
personal preference, or poor quality air supplies when lubrication of the compressed
air supply is required. The pump air system will operate with properly lubricated
compressed air supplies. Proper lubrication of the compressed air supply would
entail the use of an air line lubricator (available from Warren Rupp) set to deliver one
drop of 10 wt., non-detergent oil for every 20 SCFM of air the pump consumed at its
point of operation. Consult the pump’s published Performance Curve to determine
this.
It is important to remember to inspect the sleeve and spool set routinely. It should
move back and forth freely. This is most important when the air supply is lubricated.
If a lubricator is used, oil accumulation will, over time, collect any debris from the
compressed air. This can prevent the pump from operating properly.
Water in the compressed air supply can create problems such as icing or freezing
of the exhaust air causing the pump to cycle erratically, or stop operating. This can be
Model EB½-A Type 2 Page 2 520-069-000 8/00
When removing capscrews on suction
or discharge valve retainer/cap, make
sure all pressure on suction and
discharge side of pump has been
relieved. Re-lock wire the capscrews
before continuing use.
CAUTION
addressed by using a point of use air dryer (available from Warren Rupp) to supplement a plant’s air drying equipment. This device will remove excess water from the
compressed air supply and alleviate the icing or freezing problem.
ESADS: Externally Serviceable Air Distribution System
Please refer to the exploded view drawing and parts list in the Service Manual
supplied with your pump. If you need replacement of additional copies, contact your
local Warren Rupp Distributor, or the Warren Rupp factory Literature Department at
the number shown below. To receive the correct manual, you must specify the
MODEL and TYPE information found on the name plate of the pump.
Models with suction/discharge less than 1"
The main air valve sleeve and spool set is located in the valve body mounted on
the pump with four hex head capscrews. The valve body assembly is removed from
the pump by removing these four hex head capscrews.
With the valve body assembly off the pump, access to the sleeve and spool set is
made by removing a retaining ring (each end) securing the end cap on the valve body
assembly. With the end caps removed, slide the spool back and forth in the sleeve.
The spool is closely sized to the sleeve and must move freely to allow for proper
pump operation. An accumulation of oil, dirt or other contaminants from the pump’s
air supply, or from a failed diaphragm, may prevent the spool from moving freely.
This can cause the spool to stick in a position that prevents the pump from operating.
If this is the case, the sleeve and spool set should be removed from the valve body for
cleaning and further inspection.
Remove the spool from the sleeve. Using an arbor press or bench vise (with an
improvised mandrel), press the sleeve from the valve body. Take care not to damage
the sleeve. At this point, inspect the o-rings on the sleeve for nicks, tears or abrasions. Damage of this sort could happen during assembly or servicing. A sheared or
cut o-ring can allow the pump’s compressed air supply to leak or bypass within the air
valve assembly, causing the pump to leak compressed air from the pump air exhaust
or not cycle properly. This is most noticeable at pump dead head or high discharge
pressure conditions. Replace any of these o-rings as required or set up a routine,
preventive maintenance schedule to do so on a regular basis. This practice should
include cleaning the spool and sleeve components with a safety solvent or equivalent, inspecting for signs of wear or damage, and replacing worn components.
To re-install the sleeve and spool set, lightly lubricate the o-rings on the sleeve
with an o-ring assembly lubricant or lightweight oil (such as 10 wt. air line lubricant).
Press the set into the valve body easily, without shearing the o-rings. Re-install one
end cap, and retaining ring on the valve body. Using the arbor press or bench vise
that was used in disassembly, press the sleeve back into the valve body. Re-install
the spool, keeping the counter-bored end toward you, and install the spring, opposite
end cap, and retaining ring on the valve body. After inspecting and cleaning the
gasket surfaces in the valve body and intermediate, re-install the valve body on the
pump using new gaskets. Tighten the four hex head capscrews evenly and in an
alternating cross pattern, at 70 in./lbs. (7.9 Newton meters).
PILOT VALVE
The pilot valve spool (item 9C on main parts list) contains 6 o-rings (item 9D). This
spool moves through the sleeve (item 9B). Check condition of o-rings for cuts or
gouges before re-assembly. Apply a light coating of grease to the o-rings when
inserting into the sleeve. Insert spool in to sleeve from chamfered side. The o-ring on
the end should be installed after the spool is in place (install last). Make sure the
sleeve is locked into the intermediate bracket (item 16) with retainer ring (item 9E).
TROUBLESHOOTING
1. Pump will not cycle
A. Check to make sure the unit has enough pressure to operate and that the air inlet
valve is open.
B. Check the discharge line to insure that the discharge line is neither closed nor
blocked.
C. If the spool in the air distribution valve is not shifting, check the main spool. It must
slide freely.
D. Excessive air leakage in the pump can prevent cycling. This condition will be
evident. Air leakage into the discharge line indicates a ruptured diaphragm. Air
leakage from the exhaust port indicates leakage in the air distribution valve. See
Diaphragm and diaphragm plate.
Disassembling the pilot valve.
Pilot valve with o-rings.
DANGER
Before doing any maintenance on the
pump, be certain all pressure is
completely vented from the pump,
suction, discharge, piping, and all other
openings and connections. Be certain
the air supply is locked out or made nonoperational, so that it cannot be started
while work is being done on the pump.
Be certain that approved eye protection
and protective clothing are worn all
times in the vicinity of the pump. Failure
to follow these recommendations may
result in serious injury or death.
520-069-000 8/00 Model EB½-A Type 2 Page 3
further service instructions.
E. Blockage in the liquid chamber can impede movement of diaphragm.
2. Pump cycles but will not pump
A. Suction side of pump pulling in air. Check the suction line for air leaks and be sure
that the end of the suction line is submerged. Check flange bolting. Check valve
flanges and manifold to chamber flange joints.
B. Make certain the suction line or strainer is not plugged. Restriction at the suction
is indicated by a high vacuum reading when a vacuum gauge is installed in the
suction line.
C. Check valves may not be seating properly. To check, remove the suction line and
cover the suction port with your hand. If the unit does not pull a good suction
(vacuum), the check valves should be inspected for proper seating.
D. Static suction lift may be too high. Priming can be improved by elevating the
suction and discharge lines higher than the check valves and pouring liquid into
the unit through the suction inlet. When priming at high suction lifts or with long
suction lines operate the pump at maximum cycle rate.
3. Low performance
A. Capacity is reduced as the discharge pressure increases, as indicated on the
performance curve. Performance capability varies with available inlet air supply.
Check air pressure at the pump inlet when the pump is operating to make certain
that adequate air supply is maintained.
B. Check vacuum at the pump suction. Capacity is reduced as vacuum increases.
Reduced flow rate due to starved suction will be evident when cycle rate can be
varied without change in capacity. This condition will be more prevalent when
pumping viscous liquids. When pumping thick, heavy materials the suction line
must be kept as large in diameter and as short as possible, to keep suction loss
minimal.
C. Low flow rate and slow cycling rate indicate restricted flow through the discharge
line. Low flow rate and fast cycling rate indicate restriction in the suction line or air
leakage into suction.
D. Unstable cycling indicates improper check valve seating on one chamber. This
condition is confirmed when unstable cycling repeats consistently on alternate
exhausts. Cycling that is not consistently unstable may indicate partial exhaust
restriction due to freezing and thawing of exhaust air. Use of an anti-freeze lubricant in an air line lubricator should solve this problem.
For additional information, see the Warren Rupp Troubleshooting Guide.
CAUTION
In the event of diaphragm rupture,
pumped material may enter the air end
of the pump, and be discharged into the
atmosphere. If pumping a product which
is hazardous or toxic, the air exhaust
must be piped to an appropriate area for
safe disposition.
CAUTION
Before maintenance or repair, shut off
the compressed air line, bleed the
pressure, and disconnect the air line
from the pump. The discharge line may
be pressurized and must be bled of its
pressure. When used for toxic or
aggressive fluids, the pump should
always be flushed clean prior to
disassembly.
IMPORTANT
This pump is pressurized internally with
air pressure during operation. Always
make certain that all bolting is in good
condition and that all of the correct
bolting is reinstalled during assembly.
WARRANTY
This pump is warranted for a period of five years against defective material and
workmanship. Failure to comply with the recommendations stated in this manual
voids all factory warranty.
RECOMMENDED WARREN RUPP ACCESSORIES
TO MAXIMIZE PUMP PERFORMANCE:
• Tranquilizer® Surge Suppressor. For nearly pulse-free flow.
• Warren Rupp Air Dryer. For clean, dry compressed air.
• WarrenRupp Filter/Regulator. For modular installation and
service convenience.
• Warren Rupp Speed Control. For manual or programmable
process control. Manual adjustment or 4-20mA reception.
For more detailed information on these accessories, contact your local
Warren Rupp Factory-Authorized Distributor, or Warren Rupp corporate
headquarters.
©2000 Warren Rupp, Inc. All rights reserved.
®Warren Rupp, SandPIPER, and Tranquilizer are registered tradenames of Warren Rupp, Inc.
®Neverseize is a registered tradename of Loctite
Printed in U.S.A.
Model EB½-A Type 2 Page 4 520-069-000 8/00
REPAIR PARTS LIST and DRAWING
Model EB ½-A
Type
ITEM TOTAL
NO. PART NUMBER DESCRIPTION RQD.
1 095-056-551 Spool Valve Body 1
2 031-036-000 Sleeve & Spool Set 1
3 560-026-360 O-Ring 8
4 165-046-356 End Cap 2
5 675-046-115 Retaining Ring 2
6 165-044-551 Valve Cap 1
7 360-066-360 Valve Body Gasket 1
8 360-065-360 Valve Cap Gasket 1
9 031-054-000 Pilot Valve Assembly 1
9A 560-066-360 O-Ring, Sleeve 6
9B 755-032-162 Sleeve 1
9C 775-024-115 Spool 1
9D 560-001-360 O-Ring, Spool 6
9E 675-047-115 Ring, Retainer 1
10 900-002-330 Washer, Lock* 8
11 900-004-330 Washer, Lock 4
12 286-034-604 Overlay Diaphragm 2
13 360-074-360 Spacer Gasket** 2
14 170-080-115 Hex Head Capscrew 4
15 901-038-115 Flat Washer 4
16 114-010-551 Intermediate Bracket 1
18 165-064-551 Muffler Cap 1
19 710-013-115 Self Tapping Screw 6
20 530-021-550 Muffler 1
21 685-042-120 Diaphragm Rod 1
22 720-021-359 Rod Seal 2
23 612-092-150 Inner Diaphragm Plate 2
24 132-021-360 Bumper 2
25 200-045-115 V-Band Clamp Assembly 2
(Includes Items 26 & 27)
26 100-001-115 T- Bolt 2
27 545-022-337 Hex Nu t 2
28 286-033-354 Diaphragm 2
286-033-356 Diaphragm 2
286-033-360 Diaphragm 2
286-033-363 Diaphragm 2
286-033-364 Diaphragm 2
286-033-365 Diaphragm 2
29 612-091-157 Outer Diaphragm Plate 2
612-091-110 Outer Diaphragm Plate 2
30 196-071-157 Outer Chamber 2
196-071-110 Outer Chamber 2
31 807-028-330 Stud 2
** Standard production on non-overlay models, but also required
on overlay models if disassembly has occurred for repair.
2
Repair Parts shown in bold face (darker)
type are more likely to need replacement
after extended periods of normal use. They
are readily available from most Warren
Rupp distributors. The pump owner may
prefer to maintain a limited inventory of
these parts in his own stock to reduce repair downtime to a minimum.
IMPORTANT: When ordering repair parts
always furnish pump model number, serial
number and type number.
MATERIAL CODES
The Last 3 Digits of Part Number
000…Assembly, sub-assembly;
and some purchased Items
010…Cast Iron
012…Powered Metal
015…Ductile Iron
020…Ferritic Malleable Iron
025…Music Wire
080…CarbonSteel AISI B-1112
100…Alloy 20
110…Alloy Type 316 Stainless Steel
111…Alloy Type 316 Stainless Steel (Electro Polished)
112…Alloy “C”
113…Alloy Type 316 Stainless Steel (Hand Polished)
114…303 Stainless Steel
115…302/304 Stainless Steel
117…440-C Stainless Steel (Martensitic)
120…416 Stainless Steel (Wrought Martensitic)
123…410 Stainless Steel (Wrought Martensitic)
148…Hardcoat Anodized Aluminum
149…2024-T4 Aluminum
150…6061-T6 Aluminum
151…6063-T6 Aluminum
152…2024-T4 Aluminum (2023-T351)
154…Almag 35 Aluminum
155 or 156…356-T6 Aluminum
157…Die Cast Aluminum Alloy #380
158…Aluminum Alloy SR-319
159…Anodized Aluminum
162…Brass, Yellow, Screw Machine Stock
165…Cast Bronze, 85-5-5-5
166…Bronze SAE 660
170…Bronze, Bearing Type, Oil Impregnated
180…Copper Alloy
310…Kynar Coated
330…Zinc Plated Steel
331…Chrome Plated Steel
332…Electroless Nickel Plated
335…Galvanized Steel
336…Zinc Plated Yellow Brass
337…Silver Plated Steel
340…Nickel Plated
342…Filled Nylon
354…Injection Molded #203-40 Santoprene
- Duro 40D ± 5; Color: RED
355…Thermoplastic Elastomer
356…Hytrel
357…Rupplon (Urethane Rubber) Color
coded:PURPLE
358…Rupplon (Urethane Rubber) Color
coded:PURPLE
(Some Applications, Compression Mold)
359…Urethane Rubber
360…Buna-N Rubber Color coded: RED
361…Buna-N
363…Viton (Fluorel) Color coded: YELLOW
364…E.P.D.M. Rubber Color coded: BLUE
365…Neoprene Rubber Color coded: GREEN
370…Butyl Rubber Color coded: BROWN
371…Philthane (Tuftane)
List continued next page
WARREN RUPP, INC. A Unit of IDEX Corporation • P.O. Box 1568 • Mansfield, Ohio 44901-1568 USA • (419) 524-8388 Fax (419) 522-7867 • www.warrenrupp.com
520-069-000 8/00 Model EB½-A Type 2 Page 5
ITEM TOTAL
NO. PART NUMBER DESCRIPTION RQD.
32 722-065-110 Ball Valve Seat (for Buna N or Neo) 4
722-065-150 Ball Valve Seat (for Buna N or Neo) 4
722-050-150 Ball Valve Seat (for Teflon or Hytrel) 4
722-050-110 Ball Valve Seat (for Teflon or Hytrel) 4
33 050-022-600 Check Valve Ball 4
050-027-356 Ball 4
050-027-360 Ball 4
050-027-365 Ball 4
34 115-079-151 Foot Bracket 2
35 171-030-330 Capscrew 4
36 518-056-157 Manifold 2
518-056-110 Manifold 2
518-081-156 Manifold—Dual-Ported only 2
37 706-017-330 Screw, Hex Head* 8
38 171-038-330 Capscrew, Hex Head 4
39 670-034-157 Ball Retainer/Cap 4
670-034-110 Ball Retainer/Cap 4
40 560-080-360 O-Ring 4
560-080-611 O-Ring 4
41 560-083-360 O-Ring 4
560-081-611 O-Ring 4
42 560-082-360 O-Ring 4
560-082-611 O-Ring 4
43 770-027-426 Spacer, 4
44* 901-001-330 Washer Flat 8
45 545-004-330 Nut, Hex (AL units only) 8
Not Shown
031-043-551 Valve Body Assembly. (consists of 1
items 1,2,3,4 & 5)
* Quantity is only 4 when used with dual port manifold.
Repair Parts shown in bold face (darker)
type are more likely to need replacement
after extended periods of normal use. They
are readily available from most Warren
Rupp distributors. The pump owner may
prefer to maintain a limited inventory of
these parts in his own stock to reduce repair downtime to a minimum.
IMPORTANT: When ordering repair parts
always furnish pump model number, serial
number and type number.
MATERIAL CODES
The Last 3 Digits of Part Number
Continued from previous page
375…Fluorinated Nitrile
378…High density Polypropylene
405…Cellulose Fibre
408…Cork and Neoprene
425…Compressed Fibre
426…Blue Gard
440…Vegetable Fibre
465…Fibre
500…Delrin 500
501…Delrin 570
505…Acrylic Resin Plastic
520…Injection Molded PVDF Natural Color
540…Nylon
541…Nylon
542…Nylon
544…Nylon Injection Molded
550…Polyethylene
551…Polypropylene
552…Unfilled Polypropylene
553…Unfilled Polypropylene
555…Polyvinyl Chloride
570…Rulon II
580…Ryton
590…Valox
591…Nylatron G-S
592…Nylatron NSB
600…Teflon (virgin material) Tetrafluoroethylene (TFE)
601…Teflon (Bronze and moly filled)
602…Filled Teflon
603…Blue Gylon
604…Teflon
606…Teflon
610…Teflon Encapsulated Silicon
611…Teflon Encapsulated Viton
Delrin, Teflon, Viton and Hytrel are registered
tradenames of E.I. DuPont.
Gylon is a registered tradename of Garlock. Inc.
Nylatron is a registered tradename of Polymer Corp.
Rulon II is a registered tradename of Dixion Industries
Corporation.
Hastelloy-C is a registered tradename of Cabot Corp.
Ryton is a registered tradename of Phillips Chemical
Company.
Valox is a registered tradename of General Electric
Company.
Warren Rupp, Rupplon, SandPIPER, PortaPump,
Tranquilizer, and SludgeMaster are registered
tradenames of Warren Rupp Inc.
Model EB½-A Type 2 Page 6 520-069-000 8/00
**
** Standard production on non-overlay models,
but also required on overlay models if
disassembly has occurred for repair.
©2000 Warren Rupp, Inc. All rights reserved.
®Warren Rupp and SandPIPER are registered tradenames of Warren Rupp, Inc.
Printed in U.S.A.
520-069-000 8/00 Model EB½-A Type 2 Page 7
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