7 disassembly – Trebor 620E Magnum User Manual
Page 21

MAGNUM 620E PUMP OPERATION / MAINTENANCE MANUAL
PAGE 21
4.7 DISASSEMBLY
4.7.a Head removal
Loosen and remove all probes (if installed) and fluid and air fittings from
heads.
Loosen and remove pump from mounting base.
Immerse or flush the pump assembly using DI water and a neutralizing agent
if required.
Install mounting fittings in pump adapter ports (figure 4-1) and lock body into
bench mounting fixture. NOTE: Securely attach mounting fixture to work
surface using hardware provided.
Figure 4-1
Figure 4-2
Using strap wrench, turn head counter-clockwise to loosen (figure 4-2).
Remove heads and check diaphragms for wear or damage.
To remove diaphragms, it may be necessary to slit diaphragm (in the center)
with a sharp knife and pull the diaphragms from the seal grooves. (Do not
pry on diaphragm seal groove, as this will damage the sealing surface.)