MAHLE RTI MCX-1 User Manual Rev D
OPERATION MANUAL
MCX-1
Multiple Coolant Exchanger
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RTI Technologies, Inc.
4075 East Market St.
York, PA 17402 USA
800-468-2321
www.rtitech.com
Manual Number 035-80799-00 (Rev D)
TABLE OF CONTENTS
Component Description ....................... 2
Safety Precautions ........................... 3
Set-up ..................................... 4
Connection to Power ......................... 5
Lowering Coolant Level ....................... 6
Connecting to the Coolant System ............... 7
Special Hookups............................. 8
Coolant Replacement ......................... 9
Completing the Job.......................... 10
Changing Coolant Type ...................... 12
Emptying the Waste Tank .................... 14
Replacement Parts .......................... 15
Waste Pump Impeller Replacement ............. 16
Flow & Wiring Diagram ....................... 17
Page 1
COMPONENT DESCRIPTION
Unpack all components and verify quantities per this illustration.
Contact RTI if any items are missing or damaged.
Small Hose Clamps
Large Hose Clamps
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1-1/4
1-3/8
1-3/8
1-1/4
Small Adapter Hose
Small Step Adapters
1-1/2
1-3/4
1-3/4
1-1/2
Large Adapter Hose
Large Step Adapters
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VALVE OPEN
VALVE CLOSED
Wand
Impeller & Gasket
New Coolant
Tank
(Qty=2)
Waste Tank
Page 2
SAFETY PRECAUTIONS
WARNING: FAILURE TO FOLLOW THESE PRECAUTIONS CAN RESULT IN
SERIOUS INJURY OR DEATH.
C Read and understand the Operation Manual completely before operating this unit.
C Always wear proper eye and skin protection when operating and maintaining this
equipment.
C Take precautions to keep clothing, hair, hands, hoses, etc. away from all moving
parts on the vehicle.
C Automotive cooling systems can be under pressure and extremely hot. Allow the
cooling system to cool down and use extreme caution when removing caps and
hoses.
C Coolants are poisonous to people and animals and are also corrosive. Clean up any
spills immediately.
CAUTION: FAILURE TO FOLLOW THE PRECAUTIONS AS OUTLINED IN
THE OPERATION MANUAL CAN RESULT IN DAMAGE TO THE
ENGINE, VEHICLE OR EQUIPMENT WHICH WILL NOT BE
SUPPORTED OR COVERED UNDER WARRANTY.
C Do not allow waste coolant tank to overflow. Immediately clean up any coolant
spills. Damage to the vehicle and equipment can result from the corrosiveness of
coolant.
C Continuous monitoring of the coolant replacement process is required.
Page 3
SET UP
Green Hose
Black Hose
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New Coolant
Green Hose
Tank Cap & Plug
Quick
Coupler
New Coolant Tank
(Small)
The MCX-1 has two tanks (plus an extra New Coolant Tank) which are installed and
connected from the rear. Quick connect couplers are mounted on the hoses which
connect these tanks to the MCX-1. A green hose connects to the small New Coolant
Tank and a black hose connects to the large Waste Tank.
1. Slide the New Coolant Tank to the rear and sit it on the floor.
2. Remove the tank cap and fill the tank with new coolant and water in the
proportions specified by the coolant supplier. The tank can be disconnected
and moved to a bulk storage and fill area if desired. A plug is provided on the
cap to prevent spillage during transport.
3. Replace the tank cap and position the tank in the MCX-1. Make sure the green
hose is securely connected. Slide the tank to the front so the liquid level can be
seen through the front panel slot.
4. Make sure the plugs are removed from the caps on the waste tank and
the new coolant tank. This is required for venting the tanks during
operation.
5. Fasten the clips on the tank strap to secure the tanks in the MCX-1.
Page 4
CONNECTION TO POWER
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The MCX-1 control panel is illustrated above. Note that the bottom of all three selector
switches has been pressed which turns all functions off. Make sure all switches are
off before connecting the battery cable clips to the battery of the vehicle.
WARNING: Handle battery connection cable with extreme caution. Batteries
generate explosive gases during normal operation. Working in
the vicinity of a lead-acid or other automotive battery is
dangerous. Wear eye protection. Never smoke or allow a spark or
flame in the vicinity of the battery. Do not connect the black
power clip to the negative post of the battery to avoid a spark.
1. Verify that all switches are in the off position.
2. Connect the red power clip to the “+” (positive) post of the vehicle battery. The
battery must be 12 volt.
3. Connect black power clip to an engine ground (not the negative post of the
battery).
Page 5
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