INTRODUCTION
This manual contains operation and maintenance information for a series of 400-Hertz generator sets
manufactured by Hobart Brothers Company, Power Systems Group, Troy, Ohio 45373.
This manual is not intended to be a textbook on electricity or electronics. Its primary purpose is to pro-
vide information and instructions to experienced operators, electricians, and mechanics who have
never seen or operated this equipment. It is the intent of this manual to guide and assist operators
and maintenance people in the proper use and care of the equipment.
Use of the manual should not be put off until a trouble or need for help develops. Read the instruc-
tions before starting the unit. Learn to use the manual and to locate information contained in it. Its
style and arrangement are very similar to commercial aircraft manuals. The manual is divided into six
chapters. Each chapter is divided into as many sections as required. Each new section starts with
page 1. Each page is identified by chapter, section and page number, which are located in the lower,
outside corner. When information located in another portion of the manual is referred to, its location is
identified by a chapter, section, and paragraph, or figure number. For example, “
(See 2-3, Para. B)”
refers to information located in Chapter 2, Section 3, Paragraph B. If a Chapter and Section are not in-
dicated in a reference, the referenced material is located in the same section as the reference, Exam-
ple,
(See Para. B).
In addition to operation and maintenance instructions, the manual contains an illustrated parts list in
Chapter 4, and a collection of manufacturer’s literature and supplemental information in Chapter 6.
Content of the manual is arranged as follows:
Chapter 1. Description/Operation
Chapter 2. Servicing
Chapter 3. Troubleshooting
Chapter 4. Illustrated Parts List
Chapter 5. Optional Equipment
Chapter 6. Manufacturer’s Literature
OM-2028
June 20/89 Revised
Introduction
Page 1
Summary of Contents for 6910
Page 2: ...This page intentionally left blank ...
Page 14: ...This page intentionally left blank OM 2028 Introduction June 20 89 Revised Page 2 ...
Page 40: ...This page intentionally left blank OM 2028 1 1 May 1 91 Revised Page 26 ...
Page 66: ...Engine Control Panel in Tilt out Position Figure 6 OM 2028 2 1 August 31 90 Revised Page 12 ...
Page 72: ...This page intentionally left blank OM 2028 2 2 June 20 89 Revised Page 6 ...
Page 128: ...Generator Set Figure 1 OM 2028 4 3 May 1 91 Revised Page 2 ...
Page 130: ...Canopy Assembly Figure 2 OM 2028 4 3 May 1 91 Revised Page 4 ...
Page 132: ...This page intentionally left blank OM 2028 4 3 May 1 91 Revised Page 6 ...
Page 134: ...Generator Set Without Canopy Figure 3 OM 2028 4 3 May 1 91 Revised Page 8 ...
Page 136: ...This page intentionally left blank OM 2028 4 3 May 1 91 Revised Page 10 ...
Page 138: ...Radiator and Cooling System Group Figure 4 OM 2028 4 3 May 1 91 Revised Page 12 ...
Page 142: ...Electric Governor Kit Figure 6 OM 2028 4 3 May 1 91 Revised Page 16 ...
Page 144: ...Fuel Lines Assembly Figure 7 OM 2028 4 3 May 1 91 Revised Page 18 ...
Page 146: ...Oil Line Assembly Figure 8 OM 2028 4 3 May 1 91 Revised Page 20 ...
Page 148: ...Stator Terminal Panel Assembly Figure 9 OM 2028 4 3 May 1 91 Revised Page 22 ...
Page 150: ...Power Module Panel Assembly Figure 10 OM 2028 4 3 May 1 91 Revised Page 24 ...
Page 152: ...Control Box Assembly Figure 11 OM 2028 4 3 May 1 91 Revised Page 26 ...
Page 154: ...Generator Controls Tray Assembly Figure 12 OM 2028 4 3 May 1 91 Revised Page 28 ...
Page 156: ...Protective Relays Tray Assembly Figure 13 OM 2028 4 3 May 1 91 Revised Page 30 ...
Page 158: ...Control Box and Internal Components Group Figure 14 OM 2028 4 3 May 1 91 Revised Page 32 ...
Page 160: ...Engine Control Panel Assembly Figure 15 OM 2028 4 3 May 1 91 Revised Page 34 ...
Page 162: ...This page intentionally left blank OM 2028 4 3 May 1 91 Revised Page 36 ...
Page 164: ...Output Terminal Board Assembly Figure 16 OM 2028 4 3 May 1 91 Revised Page 38 ...
Page 166: ...Generator Assembly Figure 17 OM 2028 4 3 May 1 91 Revised Page 40 ...
Page 168: ...Mounting Frame Assembly and Lifting Yoke Figure 18 OM 2028 4 3 May 1 91 Revised Page 42 ...
Page 170: ...Water Heater Figure 19 OM 2028 4 3 May 1 91 Revised Page 44 ...
Page 172: ...This page intentionally left blank OM 2028 4 3 May 1 91 Revised Page 46 ...
Page 174: ...This page intentionally left blank OM 2028 5 0 May 1 91 Revised Page 2 ...
Page 176: ...This page intentionally left blank OM 2028 6 0 June 20 89 Revised Page 2 ...
Page 177: ... I I I I I l zE I I 01 39NVN jlOVlQ t __ ...
Page 178: ......
Page 179: ......
Page 180: ......
Page 181: ......
Page 182: ......
Page 183: ......
Page 184: ......
Page 186: ......
Page 187: ......
Page 188: ......
Page 189: ......
Page 190: ......
Page 191: ......
Page 192: ......
Page 193: ......
Page 194: ......
Page 195: ......
Page 196: ......
Page 198: ......
Page 199: ......
Page 200: ......
Page 201: ......
Page 202: ......
Page 203: ......
Page 204: ......
Page 205: ......
Page 206: ......