Connecting the oil-filled roughing pumpB-5
3. Attach the NW25 tee, included in the startup kit, to the inlet of the
pump using the NW25 center ring, and then secure the connection with
a clamp.
4. Attach the flanged end of a length of 1-inch ID vacuum hose to each open
port on the NW25 tee. Use the NW25 center rings and clamps provided
in the startup kit. Use the 7-mm nut driver to install the clamps.
5. Connect the opposite ends of the two lengths of vacuum hose in step 4 to
the two, 1-inch OD, straight, vacuum ports on the instrument’s rear
panel. Secure the hose ends with clamps supplied in the startup kit;
install 2 clamps on each hose end.
Pump inlet
NW25 tee
1-inch ID
vacuum hose
Flange
Clamps