Ametek ASR900, Installation And Maintenance Manual

Page: 84 / 92

5-4 | Heated Acid Gas Sample Probe (Large Diameter)
Extended Maintenance Spare Parts
In the “Probe Heater Assembly” list, be sure to choose the appropriate
Heater Cartridge (for 120 VAC or 240 VAC application).
Probe Heater Assembly
Part No.
(Drawing No.) Description
QTY
300-8721
(100-1658-1A)
O-Ring, Silicone 1
300-8637
(100-1658-1A)
Over-Temperature Switch 1
300-8684
(100-1658-1A)
OR
300-8742
(100-1658-1A)
Heater Cartridge, 120 VAC
OR
Heater Cartridge, 240 VAC
1
300-8733
(100-1658-1A)
Thermal Insulation Tube 1
All parts in Probe Heater Assembly.
Sample/Vent Isolation Valve Kit and Replacement O-rings
Part No.
(Drawing No.) Description
QTY
300-9824
(100-2196)
Sample/Vent Isolation Valve Assembly Kit 2
300-8719
(100-2196)
O-Ring, Aflas, size 121 (See * Note )
(Ball Valve Assembly, 2 places)
4
All parts in Probe Assembly.
* Note: Discard the (4) o-rings (2 per kit) that come with the (2) valve kits (300-9824) and use (4) replace -
ment Aflas o-rings (300-8719). Be sure to order (4) Aflas o-rings when ordering the (2) Sample/Vent Isolation
Valve Assembly Kits.
Double Block Valve (Optional)
Part No.
(Drawing No.) Description
QTY
301-2666
(100-2393)
Double Block Valve Rebuild Kit (see *Note) 2
All parts in Probe Assembly.
*Apply lube MS-LT-WL7 or STL-2 to lower 2–3 threads of valve
body. Torque to 860 IN-LBS / 72 FT-LBS.

NOTE

NOTE