c.
Change coolant
d.
Inspect cylinder heads for the possibility of overhaul
e.
Inspect pistons and piston rings
f.
Inspect bearings and Journals
j. Seasonal Maintenance Checks Spring/Fall (Engine)
(1)
Inspect engine cooling fan each spring and fall.
a.
Check fan to be sure it is securely mounted.
b.
Check for fan wobble and/or broken/cracked blades.
c.
Check fan hub and crankshaft pulley for secure mounting.
(2)
Check cooling system each spring and fall. Clean if necessary. See 2-2, Para. 5, for cooling
system maintenance.
(3)
Check all hoses.
In addition to daily checks of hoses for leaks, inspect hoses thoroughly each time the cooling
system is cleaned and serviced.
Inspect for signs of deterioration and collapse.
a.
Inspect for cracks and cuts
b.
Inspect for cutting and deformation caused by hose clamps.
c.
Replace hoses as required.
(4)
Check and adjust V belts each time the cooling system is cleaned, or on an as required basis.
See 2-2, Para. 6.
(5)
Check thermostat and seals each fall when cooling system is serviced.
k. Lamps and Circuit breakers
(1)
Check all lamps daily and check circuit breakers as required.
(2)
A lamp chart (Fig. 5) lists all lamps with their location and identifying trade number in table below.
(3)
The circuit breaker chart (Fig. 6) lists all circuit breakers with their location, size, and type.
OM-2084 / Operation and Maintenance Manual
90CU24 / Series 500392 Generator Sets
Chapter 2-1
Page 11