Hobart 60CU24, Operation And Maintenance Manual With Illustrated Parts List, Page: 54 / 234

OM-2098C / Operation and Maintenance Manual
60CU24 / Series 500060C / 400 Hz. Generator Set
April 01, 2005 Chapter 2-1
Page 4
b) “AR” Checks and Operations (As Required)
(1) Engine
a Change Air Cleaner
A definite time schedule for changing the air cleaner cannot be established. This filter should
not be washed more then six times or retained for more than one year of service, which ever
comes first.
b Check and tighten, as required, all coolant hose clamps, air intake hose clamps and exhaust
clamps. Check all coolant hoses, air intake hoses and exhaust pipes for leaks.
(2) Electrical System (12 VDC)
a Check Battery Terminals
Anytime the compartment doors are opened for any reason, visually check battery cable
connectors and battery posts. If corrosion is observed, disconnect cables and clean battery
posts and connectors with a wire brush or special battery post-cleaning tool. Coat posts and
connectors with a light film of petroleum lubricant before reconnecting cables.
(3) Electrical (400 Hz System)
a Check the output voltage and be sure it is set for 115 VAC ± 1 V. Adjustment can be made
using the fine adjustment located on the Voltage Regulator PC Board (REG).
c) “BR” Checks and Operations (Break-In Period, Once After 50-150 hrs.)
The following procedures are precautionary measures taken on most new engines. If a problem
occurs with any of the following issues be sure to recheck it after the next 50-150 hours.
(1) Engine
a Check for leaks and correct. This involves an overall inspection of the engine and may
require some maintenance if leaks are found. Refer to the engine manufacturer’s operations
manual for assistance.
b Change all fuel filter elements. Metal shavings from the new fuel tank can clog the filter.
c Change crankcase oil. New engines often release metal shavings more frequently. Therefore
the crankcase oil must be changed as a precautionary measure.
d Change oil filter element. The oil filter should be changed with the oil.
e Check engine and generator mounts to ensure they are properly installed and they have not
worked loose. (Torque is set at 122 N-m or 90 ft-lb. for generator and 136 N-m or 100 ft-lb.
for engine).
f Check coolant additive concentration. Refer to the engine manufacturer’s operations manual
for assistance.