TM 9-4940-556-14&P
3.2.4 Open rain cap on coil.
3.2.5 Open combustion air baffle to maximum position.
3.2.6 Turn main power switch ON, turn pump switch ON.
3.2.7 Squeeze gun handle and hold open till water flows from cleaning
gun.
3.2.8 Turn fuel switch ON.
3.2.9 Adjust SOLUTION valve to percentage required.
3.3 TO START UNIT-PRESSURE MODE
3.3.1 Install pressure wash tip in cleaning gun.
3.3.2 Turn on water supply connected to unit.
3.3.3 Turn MODE switch to PRESSURE position.
3.3.4 Open rain cap on coil.
3.3.5 Close combustion air baffle to minimum position.
3.3.6 Turn MAIN POWER switch ON, turn PUMP switch ON.
3.3..7 Squeeze gun handle and hold open till water flows from cleaning
gun.
3.3.8 Turn fuel switch ON.
3.3.9 Adjust SOLUTION valve to percentage required.
3.4 TO STOP UNIT
3.4.1 Turn SOLUTION valve OFF.
3.4.2 Turn fuel switch OFF.
3.4.3 Hold gun in the open position until outlet temperature is less
than lOOF.
3.4.4 Turn PUMP switch OFF, turn main power switch OFF.
3.4.5 Close rain cap.
3.5 TO CHANGE FROM 60 HZ TO 50 HZ OPERATION
3.5.1 Disconnect unit from electrical power source.
3.5.2 Loosen water pump mounting bolts, slide pump to right to release
belt tension.
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