Cru ci ble Re place ment
Per form the steps de scribed be low when in stall ing a new cru ci ble or re in stall ing the same cru ci ble. Be sure to
fol low the cor rect pro ce dure when plac ing the cru ci ble into the cru ci ble well and low er ing it onto the cru ci ble
mount ing flange. It is also crit i cal to fol low the cor rect pro ce dures when re plac ing the cru ci ble mount ing
screws. In par tic u lar, avoid drop ping screws down into the source, as it may not be pos si ble to re trieve them
with out dis as sem bling the source fur ther. For best re sults, make sure each screw is held by the spe cial Al len
tool as shown in Fig ure 3-5 be fore at tempt ing to in sert the screw in place.
1.
Make sure the cru ci ble mount ing flange is in a po si tion that al lows you to see six of the eight screw
holes.
2.
An gle the cru ci ble into the po si tion shown in Fig ure 3-8. Then lower its rear end so that its bot tom
sur face is hor i zon tal, and lower it straight down onto the O-ring.
Operation
3-16
0101-9004-0A
STIH-270-2PT
Figure 3-8.Removing the crucible from the source. Note angle of withdrawal
