Woodward PSG Governor operating and Workshop service Book
BULLETIN 37013A
PSG GOVERNOR
OPERATING AND SERVICE MANUAL
BULLETIN 37013A
Section Title Page
SECTION I/GENERAL INFORMATION AND INSTALLATION
Section Title Page
Parts Cleaning 17
Introduction 2 Parts Check 17
General Information 2 Parts Repair 18
Overspeed 2 Assembly 18
Installation 2 Testing 24
Speed Adjustment 2
Speed Droop 3 SECTION IV/REPLACEABLE PARTS
Initial Operation and Adjustment 3 Introduction 25
Storage 3 Replacement Parts Information 25
Illustrated Parts Breakdown 25
SECTION II/PRINCIPLES OF OPERATION
I ntroduction 5 SECTION V/AUXILIARY EQUIPMENT
Operation 5 Introduction 29
Spring Driven-Oil Damped Ballhead 29
SECTION III/MAINTENANCE Torsion Spring 32
Introduction 8 Pneumatic Speed Setting 32
Troubleshooting 8 Speed Adjusting Motor 40
Speed Droop Adjustment 14 Externally Adjusted Speed Droop 42
Removal of Governor from Engine 15 Internal Return Spring 44
Tools for Disassembly & Assembly 15 Temperature Compensate