Welch 8907 Manuals

Manuals and User Guides for Welch 8907. We have 1 Welch 8907 manual available for free PDF download: Owner's Manual

Welch 8907 Owner's Manual

Welch 8907 Owner's Manual (46 pages)

DIRECTORR DIRECT-DRIVE VACUUM PUMP

Brand: Welch | Category: Water Pump | Size: 3.72 MB

Table of Contents

Table of Contents
3
Section 01 - Installation
5
- Unpacking
  5
- Pump Mounting
  5
- Pump Location / Environmental Conditions
  5
- Exhaust Provisions
  5
- Electric Power
  6
- Vacuum Connections
  7
- Vacuum Gauges
  7
- Vacuum Pump Oil
  7
Section 02 - Pump Features & Principles of Operation
8
- General Description
  8
- Principles of Vacuum Pump Operation
  9
- Effects of Continued Pressure Reduction
  9
- Ultimate Pressure
  9
- Pump Mechanism Description
  9
- Intake Antisuckback Protection
  10
- Pump Lubrication
  10
- Exhaust Filter
  10
- Gas Ballast Valve
  10
- UNIBARBTM Intake Fitting
  11
Section 03 - Specifications
12
- Specification Chart
  12
Section 04 - Motor Power Specifications / Features
14
Section 05 - Operation
17
- Starting Procedure
  17
- High Pressure Operation
  17
- Shutdown Procedures
  17
Section 06 - Maintenance
18
- Vacuum Problems
  18
- Oil Change
  19
- Developing a Maintenance Schedule
  19
- Lip Seal / Gasket Change
  20
Section 07 - Trouble Shooting
24
- Leak Detection Problems
  24
- Trouble Shooting Guide
  25
Section 08 - Specifications
26
- Shaft Seal Replacement
  26
- Minor Repair Kits
  26
- Major Factory Repair
  26
Section 09 - Accessories
27
- Pump Oil
  27
- Exhaust Filter
  27
Section 10: DRAWINGS and SPEED CURVE
28
Section 11: WARRANTY
40
Section 12: MSDS SHEET for 8995P
41

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