TM 9-4940-556-14&P
4 ROUTINE MAINTENANCE
REFERENCE
Hrs. of OPERATION
4.1
WATER SYSTEM
Filter screen in float
40
tank.
40
Y strainer-pump inlet.
Check accumulator pre-
400
charge level.
Check alleviator hose-
400
check to see if pliable.
8 hrs. or whenever
Blow Down
inlet and outlet gauge
shows a 60 psi pressure
difference.
40 hrs or if Blow Down
Chemical Descaling
fails to reduce pressure
difference across the coil
to 60 psi or less.
FUEL SYSTEM
400 or sooner if fuel
Drain fuel tank/clean
tank inlet strainer.
supply might be contam-
inated with water and/or
dirt.
200
Clean burner assembly. 8
SOLUTION SYSTEM
Drain solution tank &
200
flush with water.
LUBRICATION
40
Oil wrist pin cavity
Grease pillow block
20
bearing.
10