Cole Parmer 77420-03 Instruction Sheet
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Cole-Parmer Instrument Company
Manufactured by:
Barnant Company
INSTRUCTION SHEET - SEAL KIT
Part Number –77420-03
This service kit is to be used on Masterflex â I/P â drive, 77420-00.
Kit contents:
(1) Seal Adapter Assembly
(1) O-Ring
(2) Flat Head Screw (10-24 X 3/8”)
(2) Hex Head Screw (1/4-20 X 1 1/8”)
(1) Lubricant tube
Tools required:
Phillips screwdriver
Flat wrench (7/16”)
Procedure:
Disassembly
1. Remove the two Flat Head Screws (Fig. 1) that hold the old Seal Adapter Assembly
(Fig. 1) in place on the drive.
2. If necessary, screw the two Hex Head Screws (Fig. 2) from the kit into the two threaded holes in the old Seal Adapter Assembly to force it away from the drive.
Alternate turning the screws approximately ½ turn in order to keep the front of the Seal
Adapter Assembly parallel with the front of the drive. This alignment is necessary for removal.
3. Remove the Seal Adapter Assembly by hand, once it is loose.
Seal preparation
1. Slide the new O-Ring (Fig. 3) onto the shaft of the new Seal Adapter Assembly up to the flange as shown in Fig. 3.
2. Add lubrication from the lubricant tube to the surface of the Elastomeric Seal (Fig. 3) that is pre-installed into the new Seal Adapter Assembly; cover the portion of the seal that touches the shaft.
3. Add lubrication to the circumference of the Motor Shaft (Fig. 4) in the region that will be contacted by the seal.
Re-assembly
1. Install the new Seal Adapter Assembly onto the Motor Shaft and align the holes in the
Seal Adapter Assembly with the threaded holes in the drive.
2. Insert the two Flat Head Screws into the holes in the Seal Adapter Assembly and thread them into the holes in the drive.
3. Tighten screws with the Phillips screwdriver.
A-1299-1002
Edition 01 Page 1 of 2
Barnant Company
28W092 Commercial Avenue Barrington, IL U.S.A. 60010-2392
847-381-7050 800-637-3739 847-381-7053 (Fax) e-mail: [email protected]
Web Site: http//www.barnant.com
Figure 1
Cole-Parmer Instrument Company
Manufactured by:
Barnant Company
Figure 2
Flat
Head
Screw
(X2)
Seal
Adapter
Assembly
Figure 3
Seal
Adapter
Assembly
(This surface touches the motor front after installation.)
Figure 4
Hex Head
Screw
(x2)
Motor
Shaft & lubricant
Elastomeric
Seal & lubricant
O-Ring
These products are covered by one or more of the following U.S. and corresponding foreign patents:
4,925,370 and 5,082,049
Printed in U.S.A.
Page 2 of 2
Barnant Company
28W092 Commercial Avenue Barrington, IL U.S.A. 60010-2392
847-381-7050 800-637-3739 847-381-7053 (Fax) e-mail: [email protected]
Web Site: http//www.barnant.com
A-1299-1002
Edition 01

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