Service manual

Section - V Repair or Replacement BT3000 PLUS Rev. 0, Soft Ver. 8 Page 16 sur 22
SIX MONTH MAINTENANCE KIT (P/N. 11-05219-01)
ITEM QTY DESCRIPTION
1 2 Diluter/Pinch Valve Tube
1A 2 Diluter/Pinch Valve Tube ISE
2 1 Aspiration Tube for Washing Module
3 1 H
2
O Tube for Washing Module
4 2 Peristaltic Pump Cartridge
5 1 Interconnection Tube for GND/Bypass OR CO2 Electrode
6 1 ISE Pump Tube
7 1 REF - K Tube Manifold
ANNUAL MAINTENANCE KIT (P/N. 11-05220-01)
ITEM QTY DESCRIPTION
1 2 Diluter/Pinch Valve Tube
1A 2 Diluter/Pinch Valve Tube ISE
2 1 Aspiration Tube for Washing Module
3 1 H
2
O Tube for Washing Module
4 2 Peristaltic Pump Cartridge
5 1 Interconnection Tube for GND/Bypass OR CO2 Electrode
6 1 ISE Pump Tube
7 1 REF - K Tube Manifold
8 1 Tubular Filter for Water Container
9 2 Sampling Needle
5-4.4. REPLACEMENT OR MAINTENANCE OF DILUTER
Even though it is unlikely that the diluter will require Replacement, its removal for
service is quite simple. Turn off all power to the instrument before servicing. The
diluter is secured through 4 screws on its flange and one cable connector for
electrical circuitry.
The maintenance involves yearly cleaning of the piston and the transparent
Plexiglas chamber. To perform maintenance disconnect the fluid tubing. Unscrew
the 2 screws located on the front of the diluter Plexiglas chamber and carefully
remove the Plexiglas chamber exposing the piston. Clean the piston with a soft
lint-free cloth. Wash the Plexiglas chamber and the inside of the O-ring with
distilled water. After cleaning, gently replace the chamber onto the diluter drive.
Firmly secure with the 2 screws.
The O-ring (P/N 330.5703) must be substituted every 300,000 cycles. Prior to O-
ring installation, make sure that all surfaces are free of dust, dirt and the like.