Johnson Pump AQUA JET WPS 3.4 Instruction Manual page 5

5. Run pump briefly to confirm that
water has been expelled.
6. Taps shall remain open and pump
fittings shall remain disconnected
until temperatures are above
freezing
Never start a frozen pump. Even if it is
drained it might contain a small amount of
frozen water that locks the rotor.
Service instructions
(see page 42-43)
change of Switch (pos A)
. Remove the screws (8) and then
remove the complete switch
including diaphragm (9).
. Remove the cables (30 and 3) from
the motor cable and power source.
3. Take the new switch and attach the
cables to motor and power source.
4. Locate the new diaphragm (9) and
then the new complete switch.
change of diaphragm kit (pos B)
. Remove the screws (8) with a
Torx #0 tool (a standard Phillips
type screw #0 tool).(Pos 8 screws
should be fitted to the through holes
which can be seen on the backside of
the motor end bell).
. Separate the pump assembly from
motor.
3. Remove the screws (7) with a Torx
#0 tool (a standard Phillips type
screw #0 tool).
4. Hold the black pumpbody (4)
towards the ground. Carefully
remove the diaphragm kit (B) from
pump body (4). Ensuring that pos
0-4 still remains together with
pump body (4).
5. Locate the diaphragm kit into pump
body (4) incl pos 0-4 and mount
the five short screws (17) into the
threaded holes in the motor flange.
6. Mount the complete pumphead kit
onto the motor coupling flange
taking notice to fit the slot in cam (5)
in right position against motor shaft
and the three slots on motor end
bell.
7. Assemble the remaining long screws
(8) which will hold the motor/pump
unit together. (pos 8 screws should
be fitted to the through holes that
can be seen on the backside of the
motor end bell).
change of complete Pump kit (pos c)
. Remove the screws (8) and then
remove complete switch including
diaphragm (9).
. Remove the cables pos (30 and 3)
from the motor cable and power
source.
3. Remove the screws (8) with a Torx
#0 tool (a standard Phillips type
screw #0 tool). (pos 8 screws has a
through hole on the backside of the
motor end bell).
4. Separate the pump assembly from
the motor.
5. Mount the complete pumphead kit
onto the motor coupling flange
taking notice to fit the slot in cam
(5) in right position against motor
shaft and the three slots on the
motor end bell.
6. Assemble the long screws (8) which
will hold the motor/pump unit
together. (pos 8 screws should be
fitted to the through holes that can
be seen on the backside of the motor
end bell).
7. Locate the diaphragm (9) and then
the complete switch.
Accessories
(See page 44)
enGLISH