Instruction manual

High Throughput Diffusion Pumps

DRAFT 12/23/04

Table 17 HS-20 Replacement Parts

Part Number Description

84358301 Cold cap assembly, includes No.10-32 SST Rd Hd screw and No. 10-32 hex nut SST

660811494 Cold cap gasket

F2622001 Cold cap follower, brass

75786001 Cold cap nut

622445026 Cold cap female coupling, 1/2" OD tube x 3/8" FPT, Imperial Flexfitting No. 66-FL

L6367301 Sprint coupling

84350301 Jet coupling assembly

84889301 Foreline baffle assembly

F6097301 Sight glass service kit, includes glass tube, O-rings, and fittings

Valves not included for pumps built prior to October 1994

F1755301 Sight glass assembly, includes seal valve, glass tube, removable bracket, cover for sight glass

assembly, and fittings for pumps built prior to October 1994

77261001 Threaded plug, fill and drain

K9050001 Upper thermal switch, Temperature setting: 185 °F

K9050002 Lower thermal switch, Temperature setting: 390 °F

656118114 Nickel wire, No. 14 AWG

648056329 Nickel lug for No. 14 AWG

647320025 Heater element with leads (2,000 W, 200 V)

647320020 Heater element with leads (2,000 W, 240 V or 415 V)

647320035 Heater element with leads (2,000 W, 400 V)

647320040 Heater element with leads (2,000 W, 430 V)

647320045 Heater element with leads (2,000 W, 440 V)

647320030 Heater element with leads (2,000 W, 480 V)

K7108001 Crush plate, replace with each heater

K7107001 Clamping plate

L6514001 Insulation for heaters, Cerablanket 0.50" thick

84497001 Heater cover plate

L9223001 Sight glass (for pumps built after October 1994)

K0377165 O-ring kit; includes:

❑ 1 butyl O-ring for ASA inlet flange (84349002)

❑ 1 butyl foreline flange O-ring (660893432)

❑ 8 Viton fill and drain O-rings (660892213)

❑ 1 Sight glass O-ring (660892240)

❑ 1 Graphite sight glass gasket (L9228001)

695472008 DC-702 diffusion pump fluid, one gallon

695474008 DC-704 diffusion pump fluid, one gallon

695475008 DC-705 diffusion pump fluid, one gallon