Parr Instrument Series 3900 User Manual
Page 2

Table of Contents
P a r r I n s t r u m e n t C o m p a n y
2
Customer Service:
Questions concerning the installation or operation of this instrument
can be answered by the Parr Customer Service Department:
1-309-762-7716 • 1-800-872-7720 • Fax: 1-309-762-9453
E-mail: [email protected] • http://www.parrinst.com
Table of Contents
Preface
Scope — 3
Related Instructions — 3
Safety Information — 3
Explanation of Symbols — 4
General Specifi cations — 4
Environmental Conditions — 4
Provisions for Lifting and Carrying — 4
Intended Usage — 5
The User’s Responsibility — 5
Unpack Carefully — 5
Cleaning & Maintenance — 5
Assembly Instructions
— 6
Operating Procedure
— 7
Standardization
— 7
Pressure Limits
— 8
Safety Barricades
— 8
General Precautions
— 8
Catalysts
— 9
Bottle Heater
— 9
Water Jacket
— 9
Temperature Measurement and
Control
— 10
Semi-micro Operations
— 11
Alternate Parts
— 11
Maintenance Instructions
Fuse Ratings — 11
Special Instructions for the 3921
Hydrogenator
Motor and Gear Box — 12
Bottle Connectors — 12
Glass Reaction Bottles — 12
Stainless Steel Bottle — 13
Bottle Heater — 14
Temperature Measurement — 14
References
— 14
Parts Lists
3910 Hydrogenation Apparatus — 16
3920 Hydrogenation Apparatus — 18
Bottle Clamp Assembly - Series 3910 — 20
Shaker Column Assembly - Series 3910 — 21
Flywheel Assembly - Series 3910 — 22
Connecting Rod Assembly - Series 3920 — 23
AA92CA Single Valve Assembly — 24
3A93CA Double Valve Assembly — 25
3910 Wiring Schematic — 26
3920 Wiring Schematic — 27
Explosion Proof Switch Assembly for 1765EEG 115V -
Series 3910 — 28
Explosion Proof Switch Assembly for 1765EEK 220V -
Series 3910 — 29
Explosion Proof Switch Assembly for A388EEG 115V
& 220V - Series 3920 — 30
Explosion Proof Switch Assembly for A388EEK 220V -
Series 3920 — 31
Thermocouple Assemblies — 32
Reaction Bottles for Parr Hydrogenators — 33
Heating Mantles — 33
Air Motor Assembly — 34
Switch Box Assembly 115V — 35
Switch Box Assembly 230V — 35