Robinair 75700 Coolant Exchanger - Manual (Page 14)

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© 2003 SPX Corporation
Troubleshooting
Symptom Cause Solution
No, or slow, exchange
contd.
Coolant level in coolant
reservoir rising or overflowing
during exchange procedure.
Fluid level in new coolant tank
does not decrease during
exchange.
4. Waste coolant tank is full.
5. Air supply pressure to unit is
too low.
6. Hoses are incorrectly
assembled to 75700 unit.
1. Hoses connected to coolant
reservoir not pinched closed.
1. Coolant supply hose not
connected to new tank.
2. Valve on new coolant hose not
completely OPEN.
4. Connect siphon tube to black
hose; insert tube into waste
barrel; turn valves to EMPTY
WASTE. See “Maintenance.”
5. Regulate shop air line to 80–
120 psi of clean compressed air.
See “Setup.”
6. Attach black hose to top
coupler; attach clear hose to
bottom coupler. See “Setup.”
1. Use pliers to pinch off coolant
overflow hose and other hoses
connected to coolant reservoir.
Refer to “Vehicle Connections.”
1. Attach coolant supply hose to
dip tube cap on supply tank. See
“Setup.”
2. Open valve. See “Exchange
Process.”