ARO PD30*-*-B series Посібник оператора - Сторінка 3
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AIR AND LUBE REQUIREMENTS
WARNING EXCESSIVE AIR PRESSURE. Can cause pump
damage, personal injury or property damage.
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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.
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If lubricated air is present, make sure that it is compatible with the
Nitrile ``O" rings in the air motor section of the pump.
OPERATING INSTRUCTIONS
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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.
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Disconnect the air supply from the pump if it is to be inactive for a
few hours.
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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.
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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.
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Secure the diaphragm pump legs to a suitable surface to insure
against damage by vibration.
MAINTENANCE
Refer to the part views and descriptions as provided on page 4 through
7 for parts identification and Service Kit information.
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Certain ARO Smart Parts" are indicated which should be available
for fast repair and reduction of down time.
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Service kits are divided to service two separate diaphragm pump
functions: 1. AIR SECTION, 2. FLUID SECTION. The FLUID SEC
TION is divided further to match typical part MATERIAL OPTIONS.
Santoprene R is a registered trademark of Monsanto Company, licensed to Advanced Elastomer Systems, L.P. S Lubriplate R is a registered trademark of Lubriplate Division (Fiske Brothers)
PD30X X B
Viton R and Teflon R are trademarks of the DuPont Company S Kynar R is a registered trademark of Penwalt Corp.
MAINTENANCE (CONT'D)
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Provide a clean work surface to protect sensitive internal moving
parts from contamination from dirt and foreign matter during ser
vice disassembly and reassembly.
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Keep good records of service activity and include pump in preven
tive maintenance program.
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Before disassembling empty captured material in the outlet man
ifold by turning the pump upside down to drain material from the
pump.
FLUID SECTION DISASSEMBLY
1. Remove top manifold(s).
2. Remove (22) balls, (19) O" rings and (21) seats.
3. Remove (15) fluid caps.
NOTE: Only Teflon diaphragm models use a primary (7) diaphragm
and a backup (8) diaphragm. Refer to the auxiliary view in figure 1.
4. Remove the (6) diaphragm washer, (7) or (7 / 8) diaphragms, (5)
backup washer and (196) cushion.
NOTE: Do not scratch or mar the surface of (1) diaphragm rod.
FLUID SECTION REASSEMBLY
SERVICE NOTE: ARO PN 204214 T Diaphragm Assembly Tool is rec
ommended for use when reassembling the pump.
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Reassemble in reverse order.
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Clean and inspect all parts. Replace worn or damaged parts with
new parts as required.
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Lubricate (1) diaphragm rod and (144) U" cup with LubriplateR
FML 2 Grease. (94276 grease packet is included in service kit.)
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Be certain the diaphragm assembly bottoms out on the (1) rod,
back off Teflon Diaphragm assembly far enough to align holes.
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For models with Teflon diaphragms: Item (8) Santoprene dia
phragm is installed with the side marked AIR SIDE" towards the
pump center body. Install the (7) Teflon Diaphragm with the side
marked FLUID SIDE" towards the fluid cap.
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Re check torque settings after pump has been re started and run a
while.
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