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
Figure #4. 2 Channel Tube Loading
LOADING LEVER
ROTATED TO
LEFT
TUBING
CENTERED
BETWEEN
RETAINERS
Figure #1. Setup
Figure #2. Open and Load
Figure #3. Close Pump
2 CHANNEL L/S
®
EASY-LOAD
®
II
TUBE LOADING MODELS 77202-50, -60
Use two tubes—sizes L/S
®
13, L/S
®
14, L/S
®
16 OR L/S
®
25.
For proper tube retention, both tubes must be the same size and material.
EASY-LOAD II
ADDENDUM
2-CHANNEL EASY -LOAD
®
II
Tube Loading Models 77202-50, -60
Use 2 tubes sizes 13, 14, 16, or 25
For proper tube retention, both tubes must be
the same size and material.
CAUTION: Tubes must not cross inside pump head!
A-1299-0993
Edition 01
EASY-LOAD II
Right
!
Wrong
EASY-LOAD II
ADDENDUM
2-CHANNEL EASY -LOAD
®
II
Tube Loading Models 77202-50, -60
Use 2 tubes sizes 13, 14, 16, or 25
For proper tube retention, both tubes must be
the same size and material.
CAUTION: Tubes must not cross inside pump head!
A-1299-0993
Edition 01
EASY-LOAD II
Right
!
Wr
ong
Right
EASY-LOAD II
ADDENDUM
2-CHANNEL EASY -LOAD
®
II
Tube Loading Models 77202-50, -60
Use 2 tubes sizes 13, 14, 16, or 25
For proper tube retention, both tubes must be
the same size and material.
CAUTION: Tubes must not cross inside pump head!
A-1299-0993
Edition 01
EASY-LOAD II
Right
!
Wrong
EASY-LOAD II
ADDENDUM
2-CHANNEL EASY -LOAD
®
II
Tube Loading Models 77202-50, -60
Use 2 tubes sizes 13, 14, 16, or 25
For proper tube retention, both tubes must be
the same size and material.
CAUTION: Tubes must not cross inside pump head!
A-1299-0993
Edition 01
EASY-LOAD II
Right
!
Wr
ong
Wrong
CAUTION: Tubes must not cross inside pump head!
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