Service manual
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5. MAINTENANCE AND CLEANING
First of all, this chapter gives a step-by-step description of the different operations required for both the preventive
maintenance and repair of the analyzer. The following are basic recommendations for the preventive maintenance of
the instrument. Finally, a series of instructions for care and cleaning are given.
5.1. MAINTENANCE OPERATIONS
5.1.1. Housings and covers
5.1.1.1. Removing the needle unit casing
The needle unit has two casings xed with four screws each
a) First remove the dispensing needle
b) Remove the screws that hold the casings in position.
c) Remove the upper casing by lifting upwards.
d) Remove the lower casing by pulling downwards.
5.1.1.2. Removing the front housing
a) Remove the grommets on either side of the casing. Pull on the grommets, not on the hoses.
b) Remove the screws that hold the casing in position from the front.
c) Move the needle unit to its forward centre position.
d) Remove the casing by pulling it upwards and to the front.
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