Mercury BRAVO Service Manual page 520

POWER STEERING
3. Assemble and install test gauge.
4. Open valve on gauge completely.
DO NOT operate engine without cooling water being supplied to water pickup holes
in gear housing, or overheating damage to engine may result.
5. Connect a flush test device to drive unit. Partially open water tap (approximately 1/2
6. Start engine and run at 1000-1500 RPM until engine reaches normal operating tempera-
7. With engine at idle speed, test gauge reading should be between 70 and 125 psi (483
If lower than 70 psi (483 kPa), proceed to "Pump Pressure Test," see "Index."
If higher than 125 psi (862 kPa), check for hose restrictions in the system.
Page 6A-16
a
d
a - Pump Pressure Hose
b - Test Gauge Assembly
c - Gauge To Control Valve Hose
d - Control Valve
max.) and allow cooling system to fill completely. Cooling system is full when water is
discharged through the propeller. DO NOT use full water tap pressure.
Standard Bravo Shown
ture.
and 862 kPa). If not, proceed as follows:
b
c
CAUTION
SERVICE MANUAL NUMBER 28
22029
90-863160 MAY 2000