Mi-T-M HS SERIES, Operator'S Manual

Page: 19 / 92

Operator's Manual 9
SHUTDOWN:
. Move the Burner switch to the OFF position.
2. Squeeze the trigger and discharge the water for a period of three minutes
to cool the heat exchanger and high pressure hose. Insufficient cool-down
periods for the high pressure hose will cause excessive wear and eventual
rupture of the hose.
3. Do not close the choke to stop the engine. Backfire or engine damage may
occur.
4. Move the engine key switch to the OFF position.
5. Turn off the water supply and trigger the gun momentarily to relieve trapped
pressure.
Disconnect and drain the high pressure hose, gun, and lance. Wipe the unit
clean. Store in a non-freezing environment.
OPTIONS:
STEAM - 250°F:
The 25° (GREEN) steam nozzle is used for 250°F Wet Steam operation. This
nozzle is sized for operation with the unloader and steam valve (where applicable)
to provide high pressure wet steam. Replacement of this nozzle with an improperly
sized nozzle may cause operational problems with the machine.
HS-3005/3006/3504/3505/3506:
1. Install 25° (GREEN) steam nozzle into dual lance assembly.
2. Follow "Hot Water Operation" start-up procedures.
3. Turn steam valve completely counterclockwise to achieve maximum outlet
temperature (250°F).
HS-4004:
1. Install 25° (GREEN) steam nozzle into dual lance assembly.
2. Follow "Hot Water Operation" start-up procedures.
NOTE: Upon initial start-up, water will begin turning hot in approximately 20
seconds and will reach maximum temperature within 2-1/2 minutes providing
that the trigger gun remains open. The burner will not fire when the trigger
is released.
ADJUSTABLE THERMOSTAT:
Regulates the maximum discharge temperature. Turn the dial to the
desired maximum discharge temperature. This may cause the burner to fire
intermittently.
BALL VALVE: (Auxiliary Tank)
. Connect hose from auxiliary tank to open port on the 3-way ball valve.
2. Use the selector lever on the ball valve to allow water to flow from the
auxiliary tank to the pump.
3. The water level in the auxiliary tank must always be higher than the pump
inlet. This will ensure gravity feed of water to the pump. Failure to keep the
water level above the pump inlet will result in the pump running dry and
damage to the wet end of the pump.
DUAL GUN: (Available on 6 GPM units only)
Dual Gun Option also requires the Trapping Unloader Option. This option splits
flow between two discharges. Outlet Pressure at both guns will be the same as
the unit's rated pressure.
OPERATING INSTRUCTIONS