TM 9-4940-556-14&P
3. OPERATION
3.1 INITIAL START-UP AFTER STORAGE/EXTENDED SHUT DOWN.
Remove from crate, remove hold down bolts from skids.
3.1.1.
3.1.1.1 Check all hoses, lines and belts and wires for damage. Replace
if necessary.
Adjust
3.1.1.2 Adjust jack shaft belt tension by moving motor to left.
water pump belt tension by moving pump to left.
3.1.1.3 Lubricate pump wrist pin with gear lube, G090 or equivalent.
3.1.1.4 Grease pillow block bearings (two) with grease, automotive
3.1.2 Remove "Y" strainer from float tank outlet assembly. Clean
and reinstall.
3.1.2.0.1 Remove strainer, (item 14, drawing JP7205-A) clean and
reinstall.
3.1.2.1 Drain solution tank, drain oil tank (this will remove any moisture
which condensed during storage).
3.1.3 Install cleaning hose and gun without spray tip and oriface.
3.1.3.1 Fill fuel tank with number 1 or number 2 diesel fuel. Turn
valve on top of fuel filter ON. CAUTION: NEVER OPERATE UNIT WITH
FUEL TANK EMPTY. THIS MAY RESULT IN PERMANENT DAMAGE TO FUEL PUMP.
3.1.4 Connect unit to water and electric supply source, fill solution
tank with properly diluted cleaning compound, conforming to MIL-C-22542.
compound is not being used, fill solution tank with water.
3.1.5 Set MODE switch to pressure position. Turn main power switch ON.
Open nozzle control, turn pump ON.
3.1.6 Allow water to flush thru unit for ten minutes. This will remove
any sediment from the water system.
3.1.7 Turn unit OFF, follow procedure for steam or pressure operation
below.
3.2 TO START UNIT-STEAM MODE
3.2.1 Install steam nozzle in cleaning gun, be certain steam orifice
is screwed into the nozzle (ref. drawing JP7211).
3.2.2 Turn ON water supply connected to unit.
3.2.3 Turn MODE switch to STEAM position.
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