Welch 8905 - Page 4

4
TABLE OF CONTENTS
SECTION PAGE
Section 06 - Maintenance 18
6.01 Vacuum Problems 18
6.02 Oil Change 19
6.03 Developing a Maintenance Schedule 19
6.04 Lip Seal / Gasket Change 20
Section 07 - Trouble Shooting 24
7.01 Leak Detection Problems 24
7.02 Trouble Shooting Guide 25
Section 08 - Specications 26
8.01 Shaft Seal Replacement 26
8.02 Minor Repair Kits 26
8.03 Major Factory Repair 26
Section 09 - Accessories 27
9.01 Pump Oil 27
9.02 Exhaust Filter 27
Section 10 - Drawings and Speed Curve 28
10.10 Speed Curve 28
10.20 Dimensional Drawing 29
10.30 Pump Exploded Views and Parts List 30
10.40 Module Exploded Views and Parts List 36
10.50 Oil Case Exploded View and Parts List 39
Section 11 - Warranty 40
Section 12 - MSDS Sheet for 8995P 41