BAM 1020 Beta Attenuation Mass Monitor
Product Information
Specifications
- Model: 680839-9800 Rev A
- Manufacturer: Met One Instruments, Inc.
- Address: 1600 NW Washington Blvd. Grants Pass, OR 97526
- Telephone: 541-471-7111
- Facsimile: 541-471-7116
- Website: metone.com
Overview
This procedure explains how to install the 680839 pump rebuild
kit.
Equipment Required
Tools needed for the pump rebuild kit installation:
- Screwdriver
- New piston
- New filter
- New gasket
Product Usage Instructions
1. Removing the Baseplate
Turn the pump over and remove the four screws holding the plate
to the rubber feet of the pump. Save all hardware. Slip the wires
under the rubber feet to allow enough length to remove the pump
from the mounting plate. Gently pull the pump out of the holes and
rotate to access the front of the pump.
2. Removing the Faceplate
Remove the four brass screws holding the faceplate. Save all
hardware. The front of the pump can now be removed by gently prying
in the slot on the side with a flat blade screwdriver.
3. Exchanging the Piston
Remove the old piston from the cylinder and replace it with the
new piston.
4. Removing the Piston Filter
Remove the screw holding the filter in the front of the pump.
Lift the filter cover plate gently by prying in the slot on the
side. Replace the old filter with a new one and secure with the
original screw.
5. Changing the Gasket
Remove the old gasket and replace it with the new gasket.
6. Reassembling the Pump
Mount the front of the pump back onto the pump body and secure
with original hardware. Place the pump back onto the mounting
bracket and secure it in place with the original hardware.
FAQ
Q: Is it necessary to disconnect power before servicing?
A: Yes, it is essential to disconnect power to the pump before
servicing for safety reasons.
Q: What tools are required for installing the pump rebuild
kit?
A: Tools required include a screwdriver, a new piston, a new
filter, and a new gasket.
MEDO PUMP REBUILD INSTRUCTIONS
680839-9800 REV A
Met One Instruments, Inc. 1600 NW Washington Blvd.
Grants Pass, OR 97526 Telephone: 541-471-7111 Facsimile: 541-471-7116
metone.com
© Copyright 2025 Met One Instruments, Inc. All Rights Reserved worldwide. No part of this publication may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any other language in any form without the express written permission of Met One Instruments, Inc.
680839-9800 Rev A
1
Table of Contents
Overview ………………………………………………………………………………………………………… 3 1 Removing the Baseplate…………………………………………………………………………… 4 2 Removing the Faceplate …………………………………………………………………………… 5 3 Exchanging the Piston……………………………………………………………………………… 6 4 Removing the Piston Filter ……………………………………………………………………….. 7 5 Changing the Gasket ……………………………………………………………………………….. 8 6 Reassembling the Pump…………………………………………………………………………… 8
680839-9800 Rev A
2
Overview
This procedure explains how to install the 680839 pump rebuild kit.
Equipment Required:
· Phillip Screwdriver. · Flat Blade Screwdriver. · MOI PN: 680839 MEDO Pump Rebuild Kit
680839-9800 Rev A
3
WARNING: Disconnect power to pump before servicing. 1 Removing the Baseplate
Turn pump over and remove the four screws which hold the plate to the rubber feet of the pump. Be sure to save all the hardware.
Slip the wires under the rubber feet of the pump, to give just enough length to slip the pump out of the mounting plate.
680839-9800 Rev A
4
Gently pull the pump out of the plates two holes and rotate to get access to the front of pump.
2 Removing the Faceplate
Remove the four brass screws. Again, be sure to save all the hardware.
680839-9800 Rev A
5
The front of the pump can now be removed with a little gentle prying in the slot on the side with a flat blade screwdriver.
3 Exchanging the Piston
Remove the old piston from the cylinder and replace it with the new piston.
680839-9800 Rev A
6
4 Removing the Piston Filter
Remove the screw which holds the filter in the front of the pump. The filter cover plate can be lifted by prying gently in the slot on the side. Be careful not to lose this hardware, either.
Remove old filter and replace it with the new one. Replace filter cover back on and secure with the original screw.
680839-9800 Rev A
7
5 Changing the Gasket
Remove the old gasket and replace it with the new gasket.
6 Reassembling the Pump
Mount the front of the pump back on to the pump body and secure with original hardware. Restore the pump to its proper position on the mounting bracket and secure in place with the original hardware.
680839-9800 Rev A
8
Documents / Resources
 |
Met One Instruments BAM 1020 Beta Attenuation Mass Monitor [pdf] Installation Guide BAM 1020 Beta Attenuation Mass Monitor, BAM 1020, Beta Attenuation Mass Monitor, Attenuation Mass Monitor, Mass Monitor |