Maintenance and care
PlasmaQuant 9100 (Elite)
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Figure 35Cannula and sample hose of the sampler (disassembled)
1 Cannula
2 Banjo bolt
3 Conical nipple
4 Connection piece
5 Conical nipple
6 Banjo bolt
7 Sample hose
7.3.2
Replacing the pump hoses of the purging pump
CAUTION
Risk of chemical burns during hose replacement
Small quantities if acidic solutions can still be in the hoses.
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Wear protective gloves and clothing when replacing the hoses.
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Collect any leaking liquids with an absorbent sheet.
Replacing the hoses
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Switch off the sampler via the power switch.
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Place a flat container or absorbent material underneath the purging vessel.
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Release the clamping brackets on the pump and fold them down.
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Relieve the pump hoses and pull them out of the purging vessel connections.
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Pull the connection hoses for purging solution and waste from the pump hoses.
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Connect the pump hose for the purging solution to the lower intake connection (1a)
of the purging vessel. Place the pump hose over the hose block from above and
clamp it between two stoppers. Connect the intake hose for purging solution to the
other end of the hose (1b). Immerse the intake hose in purging solution.
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Connect the pump hose for waste to the top outlet connection (2a) of the purging
vessel. Place the pump hose over the hose block from below and clamp it between
two stoppers. Connect the waste hose to the other end of the hose (2b). Insert the
waste hose in the waste bottle.
NOTICE! Note the pump direction! The pump moves in a clockwise direction.
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Fasten the clamping bracket over the pump hoses via the clamping lever.
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Check the flow rate and adjust it either via the contact pressure or the pump speed.