14
Instruction Manual
SECTION 3 - OPERATION
3.2 START-UP AND ADJUSTMENT
1. The pump is normally self-priming if suction lift
is 5 ft (1.5m) or less and the steps below are
followed.
2. Pumps are shipped from the factory with water
in the pump head to aid in priming.
3.2.1 Start-Up/Priming for FASTPRIME™
Heads (LE-XXXNX)
READ THIS ENTIRE SECTION
COMPLETELY BEFORE PRO-
CEEDING.
When all precautionary steps have been taken,
the pump is mounted, and the tubing is securely
attached, you may now start priming the pump.
1. Plug in or switch the pump on.
2. While the pump is running, set the Speed
Adjustment Knob and the Stroke Adjustment
Knob at 100%.
3. Turn The FASTPRIME™ knob 1 to 2 turns
counter-clockwise
Q
.
4. The suction tubing should begin to fill with
solution from the tank.
5. A small amount of solution will begin to discharge
out the return line of the FASTPRIME™ valve.
Once this happens, turn the knob clockwise
P
until hand tight and
SHUT THE PUMP OFF
.
6. The pump is now primed.
7. Proceed to output adjustment, Section 3.3.
Note:
If the pump does not self-prime, remove the
fitting on the discharge side of the pump head.
Remove the check valve and pour water or
solution into the port until the head is filled.
Replace valve, then follow start up/priming
steps.
3.2.2 Start-Up/Priming for Pump Supplied
with 4-FV (LE-XXXSX or LE-XXXHX)
READ THIS ENTIRE SECTION
COMPLETELY BEFORE PRO-
CEEDING.
When all precautionary steps have been taken,
the pump is mounted, and the tubing is securely
attached, you may now start priming the pump.
1. Plug in or switch the pump on.
2. While the pump is running, set the Speed
Adjustment Knob and the Stroke Adjustment
Knob at 100%.
3. Open the relief side (black knob) of the 4-FV by
turning to the stop (about 1/8 turn).
4. The suction tubing should begin to fill with
solution from the tank.
5. A small amount of solution will begin to
discharge out the return line of the 4-FV. Once
this happens, return the knob to the 12:00
position and
SHUT THE PUMP OFF
.
6. The pump is now primed.
7. Proceed to output adjustment, Section 3.3.
Note:
If the pump does not self-prime, remove the
4-FV on the discharge side of the pump head.
Remove the check valve and pour water or
solution into the port until the head is filled.
Replace valve, then follow start up / priming
steps.
