OCCLUSION ADJUSTMENT
(on 77201-60, -62 models only)
Adjust occlusion setting near top of
pump head.
(Figure #4.)
“4”
for nominal performance;
“5”
for increased pressure/vacuum with
reduced tubing life;
“2”
or
“3”
for longer life with less
pressure and vacuum.
NOTE:
For optimum performance, turn
knob to
“1”
after loading. Start drive
and adjust knob until pump primes and
fluid begins to flow.
NOTE:
Occlusion usually does not
need to be readjusted when changing tubing.
MULTI-CHANNEL MOUNTING
L/S EASY-LOAD
II
Pump Heads can be mounted in tandem (up to four),
depending on the torque capabilities of the drive.
(See Figure #5.)
Special mounting hardware is required.
See REPLACEMENT PARTS AND ACCESSORIES for mounting hardware.
Figure #5. Multi-channel Mounting
CAUTION:
DO NOT OVER-TIGHTEN SCREWS OR WING NUTS.
NOTE:
The L/S EASY-LOAD
II
Pump Head can be used in any combination with
other L/S EASY-LOAD Pump Heads. The longer L/S EASY-LOAD
II
mounting
hardware is required (not supplied).
NOTE:
The tubing on the inside L/S EASY-LOAD
II
Pump Head(s) can be
changed without removing the outside pump head(s) from the drive.
4
5
INTRODUCTION AND GENERAL DESCRIPTION
This L/S EASY-LOAD
II
Pump Head, when combined with a MASTERFLEX
®
L/S
®
drive or compatible system, is designed to provide a simple, easy-to-use peristaltic
pump system. The pump head accepts several different tubing sizes for a wide
range of flow rates. The unique over-center cam design and automatic tubing
retention allow quick tubing changes and greatly reduced maintenance time.
Each pump is supplied complete with a 15 in (38-cm) length of tubing, one
mounting hardware package and this manual. A flat-bladed screwdriver or Phillips
is required to complete installation.
DRIVE COMPATIBILITY AND SETUP
The L/S EASY-LOAD
II
Pump Head is compatible with most MASTERFLEX
®
L/S
®
drives with a standard tang interface. Mount the pump head using the 2 screws
provided.
(See Figure #1.)
TUBE LOADING
1. Be sure the pump drive is
turned off.
2. Rotate the lever to the
left to open the pump.
3. Load the correct size
tubing. Center the tubing
between the
retainers.
(Figure #2.)
4. Rotate the lever to the
right to close.
(Figure #3.)
WARNING:
Stop the drive
when changing
the tubing or its
position in the
rotor mechanism
(the rotor is partially
exposed when the
LOADING LEVER is in
the open position).
NOTE:
For optimum tubing
life, keep tubing straight
where it enters and exits
the pump.
LOADING LEVER
ROTATED TO
LEFT
TUBING
CENTERED
BETWEEN
RETAINERS
Figure #1. Setup
Figure #2. Open and Load
Figure #3. Close Pump
OCCLUSION SETTING
INDICATOR WINDOW
OCCLUSION
ADJUSTMENT
KNOB
TUBING
LOADING
LEVER
Figure #4. Adjust Occlusion
