COOLING STSTEM
TESTING AND ADJUSTING
DYNAMOMETER TEST CAUTION
(Marine Engines)
To prevent possible damage to an engine while
testing on a dynamometer, the water temperature
regulators must be installed and coolant connections
made as shown.
REMOVING END CLEARANCE
d.
Remove the water pump. Measure the thickness
of the wax that is between the vanes and the
front Rover. When the last bolts are removed, be
careful not to hit the clay or wax. The impeller
clearance (2) is .011 to .035 in. (0.28 to 0.89
mm).
DYNAMOMETER TEST CAUTION
(Industrial Engines)
COOLANT CONNECTIONS
To prevent possible damage to an engine while
(Typical Example)
testing on a dynamometer, the water temperature
connected as shown.
1. See water outlet (connect cooling tower return line to
this connection). 2. See water pump Inlet (connect cooling
tower outlet to this connection).
SHUNT LINE CONNECTED TO ENGINE
(Typical Example)
1. FT790 Cooling Tower Group. 2. Shunt line,
77