Instruction manual

VHS-4, VHS-6 and VHS-250 Diffusion Pumps

D R A F T 6 / 1 8 / 1 3

Table 5-5 lists the VHS-250 models.

Table 5-6 lists the VHS-250 replacement parts available from Agilent.

Commercial Washer, flat, no. 6, stainless steel

Commercial Washer, lock, no. 6, stainless steel

Commercial Stud, no. 8-32 x 1/2, stainless steel

Commercial Screw, Socket hd cap, no. 8-32x1/4, stainless steel

Table 5-4 VHS-6 Replacement Parts (Continued)

Table 5-5 VHS-250 Models

Pump Voltage

Part Number

Flange Type

ISO

Standard cold cap 120 V K0543301

Standard cold cap 208 V K0543306

Standard cold cap 240 V K0543302

Table 5-6 VHS-250 Replacement Parts

Part Number Description

F9584301 Standard Cold Cap Assembly

F9548301 Jet Assembly

F3373301 Splash Baffle

L9172301 Foreline Baffle Assembly

642906025 Thermoswitch

699006025 Standoff, ceramic insulating, Cold Cap

647306125 120 V / 2200 watt Heater Element

647306175 208 V / 2200 watt Heater Element

647306225 240 V / 2200 watt Heater Element

656179100 Wire, No. 10 stranded, nickel

648056680 Lugs, Replacement, nickel

86087001 Heater Insulator

86086301 Heater Clamping Plate