Maintaining the 1525 Pump
75
4
5.
Use the 5/16-inch open-end wrench to disconnect the two stainless steel
compression screws from the inlet manifold (these screws connect the inlet manifold
to the inlet check valves). See
6.
Use the 7/64-inch Allen wrench to remove the two Allen screws that hold the
draw-off valve assembly and bracket to the pump. Carefully remove the assembly.
7.
Remove the two Phillips screws that hold the draw-off valve to the bracket.
Installing a Draw-Off Valve
1.
Attach the new draw-off valve to the bracket using the two Phillips screws. Make
sure the new valve is oriented on the bracket as shown in
.
2.
Reposition the draw-off valve inlet manifold assembly onto the pump, being careful
not to pinch the stainless steel tubing behind the bracket. When correctly positioned,
the stainless steel tubing extends through the cutouts on the sides of the bracket.
3.
Secure the bracket to the pump with the two Allen screws.
4.
Reconnect the inlet tubing to the inlet manifold.
5.
Reconnect the outlet tubing to the new draw-off valve.
6.
Reposition the eluent reservoir, then prime the pump (see
). Check for leaks.
4.8 Replacing Fuses
The fuse holder is located on the rear panel of the pump (
). The 1525 Pump is
shipped with two factory-installed 3.15-A fuses.
Summary of Contents for 1525EF
Page 6: ......
