Hardware manual

Maintenance 4
Agilent 7500 Series ICP-MS Hardware Manual 4-65
2 Attach the hoses.
After connecting the gas hoses, tighten the nuts on the fittings. See
Figure 59 to correctly identify the gas hoses. To connect the gas hoses to the
torch, complete the following steps:
a Attach the sample transfer tube (connector tube).
Connect the sample transfer tube from the spray chamber to the fitting
on the end of the torch.
b Attach the auxiliary gas hose.
Connect the auxiliary- gas hose, which is smaller in diameter than the
plasma gas hose.
c Attach the plasma gas hose.
Connect the plasma gas hose to the remaining gas fitting on the torch.
3 Recheck the position of the bonnet, shield plate, and torch.
Figure 65 Shield Plate installation
4 Close the torch box and instrument.
Close the torch cover and tighten its thumbscrew. Close the instrument
hood.
CAUTION
Do not over-tighten the nuts on the quick-connect clamps. If you apply too much
pressure, the torch will break.
coil
Bonnet
To rc h
Shield Plate
Correct Installation Bad Installation
The torch must cover the shield plate
The Bonnet must cover the shield plate