35
Storage Prep and Freeze Protection Procedures:
Your Nautilus MX3-1200 must be protected from freezing. Freezing can cause serious damage to the pump,
pump-out, auto-fill float valve, and any other component containing water. If the MX3-1200 is transported or
stored in freezing temperatures, the following procedures should be performed.
ALSO, if the MX3-1200 is stored for an extended period of time, the following procedure should be
performed to prevent the pump seals from drying out.
1.
In a separate container mix 1/2 gallon of water with 1/2 gallon of automotive radiator Ethylene Glycol
anti-freeze. (Propylene glycol can be used as a non-toxic alternative anti-freeze.). Mix well and pour into
the solution tank.
2.
Connect the solution hose to the solution outlet (female quick connect. Connect the HP solution hose to
the solution outlet (female quick connect.) Connect the opposite end of the HP solution hose to the
Auto-Fill inlet (male quick connect.) Leave the chemical feed hose in the solution tank and ensure the
check valve filter is submerged in the anti-freeze solution. To speed the process the metering tip can be
removed. Turn the pressure regulator knob counter-clockwise to lower the pressure to 100psi or lower
CAUTION: Applying high pressure (over 100psi) to the Auto-Fill system will cause damage to
the Float valve and chemical proportioning mechanism.
3.
Turn the solution pump switch to the ON position and perform the pump priming procedure. Hold the
priming valve open for a few extra seconds to be sure the anti-freeze has passed through the priming
valve. When the pump is primed, allow the anti-freeze to circulate for 5-10 minutes. Mix and add more
anti-freeze solution as needed. Make sure end of chemical feed hose stays submerged in the anti-freeze
solution. This will assure that the anti-freeze will be drawn into the proportioning valve.
4.
Connect any cleaning tools that will be stored with the MX3-1200. Direct tool spray back into the
solution tank or into a bucket. Repeat for all tools to be protected.
5.
Turn the solution pump switch to the OFF position.
6.
Use the 4’ short section of vacuum hose to vacuum the remaining anti-freeze solution out of the solution
tank and bucket.
7.
Remove the cap from the waste-pump out outlet fitting on the back of the machine. Connect a hose to a
drain or hold a bucket up to the fitting to catch the pump-out flow.
8.
Remove the lid from the recovery tank. Turn the Waste Pump switch to the ON position to engage the
pump-out. Turn off the Waste Pump Switch as soon as you see anti-freeze flowing from the outlet fitting
or hose.
9.
Drain the remaining anti-freeze solution from the recovery tank and the machine is ready for storage.
RETURNING THE MX3-1200 TO SERVICE AFTER STORAGE OR
FREEZE PROTECTION:
To return the MX3-1200 to service, the anti-freeze must be flushed from the machine. Flush the anti-freeze
out of the machine by repeating the procedures above using fresh water in place of anti-freeze.
Summary of Contents for Nautilus MX3-1200
Page 1: ...1 LMANN02 Revised 06 04 2014 Nautilus MX3 1200 Operating Manual ...
Page 39: ...39 NM5740 AUTO FILL FLOAT VALVE ASSEMBLY ...
Page 41: ...41 Pump Out Pump AP37 PARTS ASSEMBLY ...
Page 42: ...42 1 2 3 5 4 4 6 7 8 9 10 8 9 3 8 9 8 9 23 100 104 12 11 2 39 ...
Page 49: ...49 2 39 1 72 73 73 67 9 30 31 82 83 2 83 82 84 INSIDE SOLUTION TANK BOTTOM VIEW SOLUTION TANK ...
Page 51: ...51 PUMP OUT CONNECTIONS 96 88 112 105 93 99 96 91 95 97 9 111 113 117 119 ...
Page 52: ...52 FLOW 81 92 91 99 96 9 97 105 13 14A 14 95 PUMP OUT PARTS 1 39 9 97 119 ...
