Run-In And Periodic Check - Hobart 60CU20 Operation And Maintenance Manual With Illustrated Parts List

OM-2226 / Operation and Maintenance Manual
60CU20 / Series 500062 / 400 Hz. Generator Set
CAUTION
Remove all armature blocks, otherwise, damage to the armature could result.

6) Run-in and Periodic Check

a) Mount the engine-generator assembly in a suitable test area and operate it for a 2-hour run-in.
b) Shut down the engine after 2 hours and re-torque all coupling bolts to 85 foot-pounds (115 N-m) to
compensate for normal torque relaxation.
c) Return the unit to normal service.
d) After 200 hours of operation, check all coupling bolts with a torque wrench set at 85 foot-pounds (115
N-m).
e) Return the unit to normal service.
f) After each additional 2,000 hours of operation (or every year) recheck all coupling bolts to maintain
the same torque value.
May 2, 2013 Chapter 3-2
Page 7