BISON TWO-PIECE SHALLOW WELL HAND PUMP
INSTALLATION INSTRUCTIONS
(Model #BPH-125SW2)
WARNING: All pumps are shipped with stainless steel male pipe
thread by hose adaptor. You may want to check local codes to see if a
hose bibb backflow preventer should be used when connecting a hose to
the hose adaptor of the pump. CHECK YOUR LOCAL PLUMBING
CODE!!
STEP #1 - Check the contents of the box to be sure everything you ordered
has been received. Be sure to check the serial number on the well head
assembly #BPH-125SW2 to be sure it matches your invoiced/packing list
number. READ ALL INSTRUCTIONS COMPLETELY BEFORE
BEGINNING THE ACTUAL PUMP INSTALLATION.
STEP #2 – Remove the Bison Pump Cylinder from the box and raise the
PVC t-handle to break the seal as in Detail “C”. Once you have released the
seal, pump the t-handle up and down a few times to loosen the seal. As you
pump the piston, you will hear the check valves “burp”. This indicates that
the check valves are functioning property, see Detail “C”. (The plastic
t-handle can then be discarded.)
STEP #3 – Begin the installation of your Bison 2-Piece Shallow Well Pump.
If you are installing the pump on a counter top, refer to Detail “A”.
Note: Before you drill any holes in the counter top, carefully inspect the
underside of your counter to be sure there are no obstructions with the
installation of the well head and the cylinder.
STEP #4 - Once the location of the pump on your counter has been
determined, use a hole saw to drill a 2” diameter hole in the counter top to
accept the 1 5/8” outside diameter of the well head pipe.
STEP #5 – Disassemble the four (4) bolts and stainless steel retainer flange at
the base of the shallow well head assembly. Slide the Shallow Well Pump
Head into the hole until the flange is flat on the counter top and the spout is
pointed in the direction you want it to be.
STEP #6 – With a pencil, draw the circles of the mounting holes on the
counter top.
STEP #7 – Remove the well head and set it aside. Use a 3/8” drill bit to drill
the holes for the mounting bolts.
STEP #8 – Place the well head back on the counter top and insert the 3/8”
stainless steel bolts through the holes in the flange at the base of the pump and
the retaining plate under the counter top. Tighten the bolts and nuts securely.
Your well head is now secure. (See Detail “A”).
STEP #9 – Lift the handle all the way up on the well head (See Detail “B”).
Also, pull the 3/8” stainless steel rod in the pump cylinder all the way up.
STEP #10 – With the 3/8” stainless steel rod all the way up on the cylinder
and the handle all the way up on the well head, you are now ready to install the
cylinder.
STEP #11 – By using 9/16” and ½” open end wrenches, you can connect the
(2) 3/8” stainless steel rods together underneath the countertop. Tighten the
stainless steel nuts and coupling securely.
STEP #12 – Push the cylinder up until the 1 ¼” female threads come into
contact with the 1 ¼” male thread on the well head. Using two hands screw
the cylinder onto the 1 ¼” male threads. Be sure there is Telfon tape on the
male thread of the well head. Refer to Detail “B”.
STEP #13 – Connect the suction line to the 1 ¼” check valve and piping at the
base of the 3” cylinder. It is also recommended that a screen of some kind
should be installed at the end of the pipe that is submersed into your water
supply, i.e. your well, pond or lake.
The installation is now complete. Enjoy your Bison Two-Piece Shallow
Well Hand Pump!!
Note:
1. To drain the cylinder and pump, simply open the two petcocks on the side of the
check valve located at the base of the cylinder and allow them to drain.
2. Bison Pumps will not be held responsible for defects or damage to this product due
to inexperienced or negligent workmanship during installation of the pump and
associated parts.
BISON PUMPS 2-PIECE SHALLOW WELL
HAND PUMP
PARTS BREAKDOWN
BPN-RPK-SW2
Repair Kit 1-Piece SW2
BPN-006
Wash Flat Nylon 3/8" x1-1/16
BPN-012
Bush Brz 3/8"x1/2"x3/4" -Hdl
BPN-020-A
scr phsm 18 -8 s/s #6 x 1/2"
BPN-018
scr Cup P.Set 316 1/4"x1/4"
BPN-064
O-Ring Buna 3" or 2-3/4" Cyl
BPN-069
Nut Ny-locknut 316 3/8"-16
BPN-070
PackRope Teflon 1/8" x 60"
BPN-121
Cup Seals Buna 3" Cyl
BPN-097
Quad Ring Buna 2.5, 2.75, 3"Cyl
PART NUMBER
Options
BPN-330C
Check Valve for Pressurizing Tanks
Bison Pumps 2-Piece
Shallow Well Hand Pump
BPN-012
BPN-020-A
BPN-064
BPN-018
BPN-070
BPN-006
BPN-069
BPN-006
BPN-069
Cylinder Replacement Parts:
BPN-121 and BPN-097
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