TM 9-4940-556-14&P
REFERENCE
MAINTENANCE PROCEDURE
Hrs. of OPERATION
MECHANICAL
DAILY
Tension belt
40
Hoses
200
Nuts and bolts and
set screws.
4.1.2 Filter screen in float tank (reference drawing JP7205-A) the filter
screen or strainer (item 14) can be removed for cleaning by reaching under
float tank baffle (item 23) and pulling it from the brass bushing (item
20). After cleaning, push strainer back into bushing.
4.1.3 Y strainer (reference drawing JP7205-A) (item 15) can be cleaned by
removing cap and sliding strainer out of the fitting. Clean strainer and
re-install.
4.1.4 Check accumulator pre-charge level.
The accumulator, has an air type
valve and may be charged as show
in sketch
Use regulator to set line
pressure to 150 psi. Hold chuck
on accumulator valve for
25 seconds (minimum) to
insure accumulator has reach
line pressure.
DO NOT charge accumulator with air.
Check alleviator hose - hose which connects pump outlet to coil inlet
fittings assembly.
4.1.5 With unit OFF and water system pressure released, the alleviator
hose should be pliable enough to squeeze. If hose is stiff or shows
signs of age it must be replaced.
4.1.7 Blow-Down
4.1.7,1 With unitOFF, remove steam hose from outlet fitting. Position
machine so discharge from outlet will not spray on adjacent equipment or
personnel, or be deflected back on to the unit.
4.1.7.2 Follow instructions 2 thru 6 to start---STEAM MODE.
11
154-713 - 94 - 2