Cole Parmer 05017-10, Руководство пользователя

Страница: 39 / 45

Vacuum Oven 7-3 Cole-Parmer
Section 7
Maintenance
Door Alignment
Procedure (cont.)
6. Draw a vacuum by pressing on both left and right sides of the door
using your hands. Close vacuum valve at 25 inches of Hg.
7. Tighten the two bolts for each hinge while lightly pressing each corner
of the door in the area of the hinge being tightened.
8. Slide the cam assembly to engage the catch, and then turn the handle
down so that the flat on the cam is vertical. Push gently on the catch
until it touches the flat on the cam.
9. Insert a 1/32-inch thick shim (not supplied) between the catch and flat
side of cam, and securely tighten the two nuts on the catch while
applying vacuum.
10. Remove the shim. Then release vacuum and open door.
11. Try cam mechanism for clearance of both door edge and cam. If there
is a clearance of more than 1/16 inch between the end of the cam and
catch projection, adjust spacing by loosening the three catch screws
and readjust catch.
12. Secure the three screws and check clearance of Step 11. Check that
oven door positively seals after completion of this procedure.