Hobart 60CU20 Operation And Maintenance Manual With Illustrated Parts List page 129

OM-2226 / Operation and Maintenance Manual
60CU20 / Series 500062 / 400 Hz. Generator Set
WARNING
To prevent personal injury, keep fingers and hands clear of generator assembly until
the armature is block into place to prevent rotation.
b Attempt to loosen exciter armature on shaft by rotating it slightly back and forth. If armature
cannot be loosened by hand, use two M10-1.5 hex-head bolts as shown in Figure 4 to force
the exciter armature off the shaft. Turn each of the two screws a few turns at a time into the
threaded holes of the diode mounting plate until the exciter armature is sufficiently loosened
from the shaft to be removed from it by hand. Remove it slowly from the shaft and at the
same time observe the following CAUTION.
1. Stud, 1/4-28 UNF 2A, Grade 5 or 8 ONLY
2. Adapter, 3/4" Round CR Steel
3. Nut, 1/2-13 Hex, Steel (3 required)
May 2, 2013
4. Rod, 1/2" Round, CR Steel
5. Hammer, 2" Round, CR Steel
6. Washer, Flat, 1/2" Steel
Sling Hammer Puller
Figure 3
Chapter 3-1
Page 5