Bison Pumps 1900 User manual

Model 1900 Stainless Steel Pitcher Pump
OWNER’S MANUAL
For Pump Revisions: B, C
Serial No.
Proudly Manufactured in Conway, Arkansas, UNITED STATES OF AMERICA.
Rev C
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Table of Contents
Product Specifications ................................................................4
Installation Options ....................................................................5
Installing Indoors with a Countertop.......................................... 6
Installing on a Driven Well Point with a 2” NPT ..........................8
Installing into a System with Electric Pumps…............................9
How to Winterize the Pump .....................................................10
How to Pressurize a Water System.......................................... 12
Maintenance ............................................................................14
Appendix
Installation Measurement Detail..............................................17
Detail A: Standard Sink Installation ..........................................18
Detail B-1: Standard Submersible Pump...................................19
Detail B-2: One-Pipe Jet Pump................................................. 20
Detail B-3: Two-Pipe Jet Pump .................................................21
Detail C: Standard Installation with a Pressure Tank ............... 22
Detail D: Orientation of Sink Installation ..................................23
Detail E: Handle Orientation… ..................................................24
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Detail F: Driven Well Point Installation… ................................. 25
Detail G: Winterizing................................................................ 26
Detail H: Pressurizing a Water System......................................27
Detail I: Total Vertical Lift ..........................................................28
Detail J: Drain Back Water Shut-off Valve and Drain Valve.........29
Detail K: Exploded View.............................................................30
Detail L: Part Listing ..................................................................31
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Model 1900 Stainless Steel Pitcher Pump
Owner’s Manual
Product Specifications
Description: The Bison Model 1900 Stainless Steel Pitcher Pump is a shallow well pump for static water
levels less than 25 vertical feet and up to 300 horizontal feet from the water source.
Design and Construction
•Stainless Steel Construction of pump body, lift rod, handle, and hardware
•Hand polished stainless steel finish
•Over 19 ounces per stroke
•Less than seven (7) strokes to pump one (1) gallon of water
•Pumps up to 25 foot depth
•No priming needed
•No routine maintenance
•Hose Bibb Spout (to connect Pressurizing Kit or a water hose)
•Suitable for Kitchen Installation
•Lifetime Warranty
Options
•Drain back option for easy winterization
•Pressurizing Kit (able to pressurize home water system)
Dimensions
•Overall height: 23”
•Body Diameter: 3”
•Weight: 20 pounds
•Inlet connection: 2” NPT
•Spout connection: ¾” Garden Hose male thread
•Handle: 24”
•Bottom Flange: 7” diameter with square holes for 3/8” carriage bolts
Contents
•(1) - Stainless Steel Manual Hand Pump
•(1) - Brass Hose Bibb Cap
•(4) - Installation Bolts/Nuts/Washers (Optional)
•(1) - Owner’s Manual
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Installation Options
Warning –You must comply with your local plumbing code.
Contact a certified plumber if you have questions about proper
plumbing codes in your area.
Before you begin the installation of your new Bison Pump, open the box and inspect the contents.Verify
that you have received everything that you ordered. If there is anything that is missing or doesn’t
match, please call Bison Pumps immediately to correct the situation (1-800-339-2601).
Record your Bison Model 1900 Pump Serial Number on the front page of this manual.
Location –Before deciding on the location of your Bison Pump, you should consider whether you intend
to use it to pressurize your home water system. If you do, then you should consider the location of your
pressure tank drain valve or other access location (i.e., yard hydrant or outside faucet) in relation to the
pump’s location. Our Optional Pressurizing Kit (55-001-0-03-01) or Check Valve with pressure gauge
(55-001-0-01-01) would have to be installed onto the spout of the pump and a hose ran from the
pressurizing kit to the access location for your pump to pressurize the water system. Be certain that you
have an accessible path from the pump spout to the water system access point and clearance for
handle functionality. See “How to Pressurize a Water System” and Detail H for more information.
Read the instructions completely before beginning the installation process.
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Installing Indoors with a Countertop
Step #1: Verify there is proper space for the hand pump and pipe
See Installation Measurement Detail to reference Bison Model 1900 Stainless Steel Pitcher Pump
measurements for a standard countertop installation. Review your countertop space above and below
where the pump is to be installed. Verify that there is proper clearance for the bottom flange (Detail A –
Item A) on the countertop and no obstructions for the anchor bolts (Detail A –Item B) and water pipe
(Detail A –Item C) underneath.
Step #2: Determine installation items needed
Tools: Drill, 3 ½” hole saw, 3/8” or 7/16” drill bit, 9/16” socket and ratchet (or wrench) and 5/32” Allen wrench.
Anchor bolts –Determine the thickness of the countertop plus ¼” for the thickness of the bottom flange
(Detail A –M1). Add at least another ½” for the nut and washer to that total. This measurement
determines the minimum length of anchor bolt that you require. If purchased, the Installation Kit
includes (4) 3/8” x 2 ½” long stainless steel carriage bolts and stainless steel washers and nuts.
Reducing Bushing –The Model 1900 comes standard with a stainless steel 2” NPT female connection.
Determine the diameter of the incoming pipe providing the water source to the pump. If your incoming
water pipe is less than 2” NPT, then a Reducing Bushing will need to be installed in the hand pump prior
to installation. Bison Pumps offers a stainless steel reducing bushing to downsize from 2” to 1 1/4” or 1”
NPT pipe (Details K & L –Items 21,22). See Detail L or “Other Accessories” at the end of this manual for
ordering information.
Ball Valves and Tees –If you are connecting into a system that has some type of electric pump then you
will likely need at least two ball valves and one tee. See Details B-1, B-2, B-3 & C for possible installation
methods. Bison Pumps recommends Brass or Stainless Steel Ball Valves to ensure that the vacuum is not
lost through a non-metal Ball Valve.
Step #3: Identify proper location, mark and drill holes
Determine the exact location you would like to place the Bison Model 1900 Stainless Steel Pitcher Pump
on the countertop. Refer to Detail D for a standard installation near a sink. Placing the pump near the
sink allows the pumped water to flow directly into the sink. Do not place the pump underneath cabinets
(or other overhead items) that could cause pumping action restrictions.
Once you have determined the exact location of the hand pump, mark a line along the entire perimeter
of the bottom flange (Detail D –Item A). From the center of the straight edge line (Detail D –Item B),
measure 2 ¾” to the center of the hole and mark the location (Detail D –M1). Drill a clearance hole at
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least 3 ½” in diameter (Detail D –M2) through the countertop to allow clearance for the incoming
water pipe and reducing bushing.
If required, install the reducing bushing into the 2” NPT on the bottom of the pump (if you purchased
the reducing bushing from Bison Pumps it will already be installed). Be sure to apply Teflon tape to the
threads prior to installation. Next, align the pump along the perimeter of the bottom flange drawn
earlier. Once the pump is in the proper position, trace the anchor bolt holes and mark the center of
each hole. Remove the pump from the countertop. Using a 3/8” or 7/16” drill bit, drill holes through the
countertop for each anchor bolt.
Step #4: Attach hand pump to the countertop
Align the pump over the anchor bolt holes and install the four (4) bolts through the top of the counter.
Attach the washers and nuts by partially tightening the first nut. Then move to the nut diagonally
opposite. Repeat by moving to the other two in the same manner. Once all four are partially tightened,
completely tighten all four following the same pattern.
Step #5: Adjust the handle orientation
The pump will come with the handle in either the 3, 6, or 9 o’clock position (assuming the spout is at 12
o’clock). To adjust the position of the handle, remove the four top screws (Detail E –Items A) in the Top
Plate using a 5/32” Allen wrench. Rotate the handle to either a 3, 6, or 9 o’clock position as desired.
Once the proper position is found, replace the four top screws into the Top Plate. Be sure to re-tighten
the screws by partially tightening the first one. Then proceed in a pattern going diagonally across to the
next one until all four are partially tightened. Repeat the process and completely tighten each screw.
Step #6: Connect the water source to the pump
The Bison Model 1900 Stainless Steel Pitcher Pump can accept 2” NPT pipe. Again, if your incoming water pipe is
less than 2” NPT, then you will need a reducing bushing to downsize the pipe from 2” NPT to the size of
your water supply pipe. Bison recommends using at least 1” NPT pipe. Be sure you know what size your
water pipe is before purchasing this component. Apply Teflon tape to the water supply pipe and then
connect the water supply pipe to the pump connection by hand tightening.
Note 1: To drain the pump and water pipe there must be a free flow of water back to the source.
Therefore, it is important to NOT install a check valve or foot valve in the water pipe at any point
between the pump and the water source.
Note 2: If your water source is not a well, such as a pond or stream, then you should install a “wye” screen
filter in the pipe.
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Step #7: Pump water
The installation is complete. Begin pumping the Bison Model 1900 Stainless Steel Pitcher Pump until
water begins to flow. It is not necessary to prime the pump.
Installing on a Driven Well Point with a 2” NPT
Step #1: Determine the material type of the casing
Steel: If the casing is steel, then the Bison Model 1900 Stainless Steel Pitcher Pump can be installed
without any further additions (Detail F –Item A).
PVC: If the casing is PVC, then Bison Pumps recommends that some type of support structure (Detail F –
Item B) be built on which the pump will be installed (like a countertop installation). The PVC pipe may
not be rigid enough to support the pumping action and could result in damage to the PVC pipe.
Step #2: Connect the water pipe casing to the pump
The Bison Model 1900 Stainless Steel Pitcher Pump can accept 2” NPT pipe. Apply Teflon tape to the
threads of the 2” NPT pipe casing. Carefully place the pump over the pipe casing and begin threading it
onto the pipe casing. Be very careful not to overtighten onto the casing. Turn the pump until it is hand
tight. Adjust the spout orientation to your requirements without overtightening.
For installations using a support structure, follow the instructions for countertop installations.
Note 1: To drain the pump and water pipe, there must be a free flow of water back to the source.
Therefore, it is important NOT to install a check valve or foot valve in the water pipe at any point
between the pump and the water source.
Step #3: Adjust the handle orientation
The Bison Model 1900 Stainless Steel Pitcher The pump will come with the handle in either the 3, 6, or 9
o’clock position (assuming the spout is at 12 o’clock). To adjust the position of the handle, remove the
four top screws (Detail E –Items A) in the Top Plate using a 5/32” Allen wrench. Rotate the handle to
either a 3, 6, or 9 o’clock position as desired. Once the proper position is found, replace the four top
screws into the Top Plate. Be sure to re-tighten the screws by partially tightening the first one. Then
proceed in a pattern going diagonally across to the next one until all four are partially tightened. Repeat
the process and completely tighten each screw.
Step #4: Pump water
The installation is complete. Begin pumping the Bison Model 1900 Stainless Steel Pitcher Pump until
water begins to flow. It is not necessary to prime the pump.
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Installing into a System with Electric Pumps
Conventional Electric Submersible Pump
The Model 1900 Stainless Steel Pitcher Pump can be installed alongside a conventional electric pump if
the total vertical lift is 25 feet or less. The total vertical lift is the distance from the bottom of the pump
to the static water level (See Detail I). The pump should be piped into the same pipe that brings the
water from the well into the pressure tank. The connection should go through a system consisting of
two (2) ball valves and one (1) tee. (Detail B-1).
One-Pipe Jet Pump
With a One-Pipe Jet Pump installation, the Model 1900 Stainless Steel Pitcher Pump can be installed if
the total vertical lift is 25 feet or less. The total vertical lift is the distance from the bottom of the
pump to the static water level (See Detail I). The pump should be piped into the same pipe that brings
the water from the well into the pressure tank. The connection should go through a system consisting
of two (2) ball valves and one (1) tee. See (Detail B-2).
Two-Pipe Jet Pump
With a two-pipe jet pump installation, the Model 1900 Stainless Steel Pitcher Pump can be installed if
the total vertical lift is 25 feet or less. The total vertical lift is the distance from the bottom of the
pump to the static water level (See Detail I). The pump should be piped into the larger diameter pipe
that brings water from the ejector into the jet pump through a system consisting of two (2) ball valves
and one (1) tee. A third ball valve should be installed in the smaller diameter pressure pipe that comes
from the two-pipe jet pump to the ejector. This stops the flow of water from the pressure pipe when
the Model 1900 pump is in use. (Detail B-3).
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How to Winterize the Pump
a) If your pump has the Drain Back Feature
To winterize the pump, you need to drain it of water to prevent freezing which can cause damage to the
pump. The Bison Model 1900 Stainless Steel Pitcher Pump is equipped with special drain features inside
the pump body that allow water to drain from both above and below the piston (Detail G).
Step #1: Drain water from pump body
Before draining, remove the brass hose bibb cap or pressurizing check valve from the spout.
The Bison Pumps Drain Back Water Shut-off Valve and Drain Valve should be installed on the incoming
water line leading to the pump. See Detail J for the installation and operation of the drain back water
shutoff valve and drain valve. Close the drain back water shut-off valve. A hose can be attached to the
drain valve if desired. Open the drain valve by turning it counterclockwise (prepare a way to gather the
water coming out the drain valve).
Raise the handle to the upper most position (Detail G –Item A). The pump has now engaged the Drain
Valve and Drain Activator for the Piston Check Valve. This allows water to drain from above and below
the piston back to the water source. Hold the handle at its upper most position until all water drains
from the pump body.
Step #2: Lower handle to normal resting position
Now lower the handle to the standard resting position. Now the drain valve can be closed (turn
clockwise until tight).
Do NOT stroke the pump while the shut-off valve is closed. This may create a vacuum on the pump,
causing the handle to remain in an upright position.
b) If your pump does not have the Drain Back Feature
To winterize this pump, you must remove it from its mounting location.
Step #1: Turn OFF the water supply to the pump and disconnect the water source.
Step #2: Pump the handle to remove as much water as possible from the pump.
Step #3: Disconnect the pump from the mounting location.
Step #4: Disconnect the Rod Connector from the Handle.
Step #5: Remove the four screws from the Top Plate and pull the Top Plate/Piston
Assembly out of the pump body.
Step #6: Drain all water from the pump body.
Step #7: Inspect the Piston Assembly for any wear, etc. that may need to be addressed.
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Step #8: Let the inside of the pump dry and then spray Extra Virgin Olive Oil inside at the top of the
pump body. Reinstall the Piston Assembly and Top Plate. Reattach the Rod Connector to the Handle.
Step #9: Store pump in a dry location until needed for reinstallation.
Adding Food-Grade RV Antifreeze
In extreme freezing conditions the addition of a Food-Grade Antifreeze to the inside of the pump can
help ensure the safety of the pump’s internal components. Be sure to only use FOOD-GRADE RV
ANTIFREEZE inside the pump body.
To add Food-Grade RV Antifreeze, remove the four screws as described for the handle orientation
adjustment (Detail E –Item A). Grasp the handle and slowly raise it. Then rotate and pull the Top Plate
and Lift Rod with an upward motion. Once there is a sufficient opening (a couple of inches) add the
proper amount of Food-Grade Antifreeze per the manufacturer’s recommendation. Return the Top
Plate to its original position and replace the four top plate screws. The process is complete.
Dewinterizing
Be sure that the weather has warmed sufficiently before continuing with this process, assuming the
pump is not in a heated environment.
Step #1: Open water access
If the water source valve was closed during the draining operation, turn the valve on to allow the pump
to have access to water. If using the Bison Pumps Drain Back Water Shut-off Valve and Drain Valve,
open the drain back water shut-off valve and make sure the drain valve is closed.
Step #2: Pump water
If Food-Grade Antifreeze was added to the pump, then you should pump water until the color of the
Food-Grade Antifreeze is no longer visible.
Note: If you initially have difficulty moving the handle, you may need to warm the pump manually (with
your hands held on the side, for example). Do not force the handle to move as this could cause damage
to the seals.
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How to Pressurize a Water System
Tools required: Pipe Wrench, Check Valve, Pressure Gauge and Potable WaterHose*
*Bison Pumps offers a Pressurizing Kit consisting of a Lead-Free Brass Check Valve, a 100 PSI
Pressure Gauge, a Bleed-off Valve, and a 10’ Potable Water Hose. See “Other Accessories” at
the end of this manual for ordering information.
Step #1: Turn OFF the power to the electric pump - even if the power source is out
If you are pressurizing a system that normally uses an electric water pump, you will need to turn off the
power to the pump before pressurizing with the hand pump. If the power is restored and the electric
pump begins operating, damage or flooding through the pump could occur. Therefore, TURN OFF
POWER TO THE ELECTRIC PUMP.
Step #2: Close off the water source to the pressure tank from an electric pump
When pressurizing begins, the pump will draw from the water source. Water system access by electric
pumps must be closed so that water is only accessible by the hand pump.
Step #3: Connect the hand pump to the pressure tank
To pressurize your water system, connect the Check Valve (to prevent water backflow), Pressure Gauge
(to know when the pressure tank is full), and a Potable Water Hose (to transfer the water) to the spout
of the hand pump. Connect the hose to the drain valve on the pressure tank. (Detail H)
Bison Pumps recommends using our Pressurizing Kit which contains all the required components.
After the Pressurizing Kit is installed, open the tank drain valve (Detail H –Item E) on the pressure
tank. DO NOT DISCONNECT THE HOSE FROM THE CHECK VALVE OR THE CHECK VALVE FROM THE
SPOUT WHILE THE PRESSURE TANK DRAIN VALVE IS OPEN. Doing so will cause all water to flow out
of the pressure tank.
Step #4: Pump water into the pressure tank after tightening the Gland Nut
Determine the amount of pressure that your pressure tank requires to be full. For most pressure tanks
this is 40 to 60 PSI. The pressure inside your pump will be higher than under normal operating
conditions. Therefore, before beginning to pressurize, the pump’s Gland Nut (Detail H –Item A) must be
adjusted to prevent leakage at the point where the Lift Rod exits the Gland Nut.
To adjust the Gland Nut for pressurization, begin pumping water into the pressure tank. If water leaks
during pressurization, tighten the gland nut in ¼ turn increments until leaking stops. Continue pumping
while watching the Pressure Gauge until the desired pressure is reached. Do not over tighten the gland
nut as it could cause the pumping action to be more difficult or cause damage. Close the pressure tank
drain valve to close off water access from the hand pump.
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The hose is under pressure from the pressure tank drain valve to the Check Valve at the pump spout.
Before removing the hose, slowly open the bleed-off valve (Detail H –Item C) on the pressurizing
system. Prepare the area for excess water by having a bucket available to catch the water from the
bleed-off valve and hose. Once the immediate pressure is released, then the hose can be detached
from the pump and/or pressure tank.
Step #5: Use your water system
With the pressure tank full, you can use any water fixture in your home. Be aware that you only have
the amount of water that can be held in the tank available. Therefore, you should conserve the
amount of water used to minimize the need to refill the tank by pressurization. When the tank
pressure is too low for normal usage, you will need to repeat the pressurizing process.
Step #6: Return to use of electric pump
Close the pressure tank drain valve and reset the water flow valves to accept water only from the
electric pump. Turn the power on to the electric pump to allow it to begin normal operations.
Step #7: Return the Model 1900 pump to normal operating condition
Loosen the Gland Nut (Detail H –Item A) until water leaks during normal pumping action. Next hand-
tighten the Gland Nut in ¼ turn increments until leaking stops. This will be the ideal setting for the
Gland Nut and ease of pumping operation. It is not necessary to use a wrench to tighten the Gland Nut.
Do not over tighten the gland nut as it could cause the pumping action to be more difficult or cause
damage.
If the Gland Nut squeaks apply a small amount of Extra Virgin Olive Oil. This is used for lubricating the
pump internally. Do not use petroleum products to lubricate the pump.
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Maintenance
Replacement components are shown in Details K & L.
Under normal operating conditions, your Bison Pump should not require maintenance beyond
winterization. However, some situations can result in excessive wear and/or damage to various pump
components.
Cup Seals and O-ring –Under normal usage these seals should last many years. The wear on these parts
is directly related to the amount of usage of the pump and the condition of the water being pumped.
Water that has contaminants that could act as an abrasive will cause excessive wear on the Packing
Gland, Piston Cup Seals and O-rings.
In cases of the combination of high usage and/or low water quality, the sealing components may need
to be replaced. Bison Pumps offers a Seal Maintenance Kit which consists of replacements for sealing
components in the pump and a Seal Pick Tool. See the table below for contents of the Seal Maintenance
Kit. Instructions are included with the Seal Maintenance Kit.
Bison Pumps Seal Maintenance Kit Includes:
Part Number
Description
Quantity
04-000-1-50-19
Ny-Loc Nut, Shoulder Bolt
1
04-000-1-50-20
Ny-Loc Nut, Link Connection
2
04-000-5-40-01
Link Washer
12
04-000-5-40-02
Backing Washer
1
04-000-5-75-01
Check Valve
2
04-001-3-71-01
Packing Gland Cup Seal
1
04-002-3-71-01
Piston Cup Seal
2
04-022-1-68-01
Internal Snap Ring
2
04-070-3-70-01
Drain Valve Seat O-Ring (drain back feature only)
1
04-070-3-70-02
Drain Pin O-Ring (drain back feature only)
1
04-139-3-70-02
O-Ring Buna
1
50-001-0-04-05
Rod Connector Screw
1
50-001-0-08-02
Custom Low-Profile Fastener
1
50-100-0-07-00
Packing Gland Nut
1
50-100-0-08-05
Bottom Bushing
1
55-001-0-07-00
Seal Pick Tool
1
Note: Bison Pumps recommends thoroughly cleaning the inside components of the pump during this
maintenance process. It is best to remove components that will be replaced first, then clean the inside of
the pump and then install the new components. During this process, inspect the Check Valves in the
bottom of the Piston and Check Valve Housing in the bottom of the pump body. Look for any large debris
that may prevent the Check Valve from closing. Clean any debris found inside the Check Valves. With
proper care, these Check Valves should last a lifetime. However, large debris can damage them in
extreme situations. If over time the pumping action becomes more difficult, apply Extra Virgin Olive Oil
to the piston cup seals and inside the pump body. Do not use petroleum products to lubricate the pump.
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See “Other Accessories” below and Detail K for ordering details.
Hardware Maintenance –With proper care, it is unlikely that you will need to replace the hardware
used to assemble your Model 1900 Stainless Steel Pitcher Pump. However, Bison Pumps offers the
hardware separately under “Other Maintenance Items.”
Other Maintenance Items
Part Number
Description
Quantity
50-001-0-03-07
Handle Rubber Bumper
1
05-001-6-04-01
Bronze Bushing
1
50-001-0-06-00
Hose Bibb Cap
1
50-001-0-03-01
Handle Assembly
1
04-000-1-60-15
Drain Valve Spring
1
50-001-0-21-01
Drain Pin Seat Tool
1
Other Accessories
Part Number
Description
Quantity
55-001-0-03-01
Pressurizing Kit (Check Valve, Gauge & Hose)
1
55-001-0-01-01
Check Valve with Pressure Gauge
1
55-001-0-02-00
Potable Water Hose, 5/8” x 10’ with Stainless Steel Fittings
1
04-029-0-74-01
Reducing Bushing, Stainless Steel 2” to 1 ¼” NPT
1
04-029-0-74-02
Reducing Bushing, Stainless Steel 2” to 1” NPT
1
Contact
For questions about your product, you can email technical support at
[e-mail] or call our toll-free number 1-800-339-2601.
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Appendix
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Installation Measurement Detail
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Detail A: Standard Sink Installation
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Detail B-1: Standard Submersible Pump
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Detail B-2: One-Pipe Jet Pump
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