Robinair 75700 Coolant Exchanger - Manual (Page 8)

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© 2003 SPX Corporation
Vehicle Connections
The upper radiator hose may be disconnected either
where it connects to the radiator or where it
connects to the engine, whichever is most
convenient on the vehicle being serviced.
1. Disconnect the upper radiator hose from the
radiator or the engine.
2. Insert a step adapter into the radiator hose. See
Figure 7.
3. Select an adapter hose that has the same inner
diameter as the radiator hose. Clamp a step
adapter to the hose, and then clamp the assembly
to the hose barb where the upper radiator hose
was connected.
4. Connect the clear hose (waste coolant) to the step
adapter leading into the radiator.
5. Connect the black hose (new coolant) to the step
adapter leading into the engine. The valve on the
black hose should be OPEN. See Figure 8.
6. Pinch off the coolant overflow hose and any
other hoses connected to the coolant reservoir.
See Figure 9.
Figure 7
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Figure 8
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Figure 9
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Hose / Step
Adapter
Assembly
Step
Adapter
Radiator
Black Hose
(new coolant)
Valve in
OPEN
position.
Coolant overflow
hose pinched off.
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