Power Shift Troubleshooting; System Does Not React; System Binds - Mercury BRAVO Service Manual

SERVICE MANUAL NUMBER 28
Power Shift

System Does Not React

Vacuum leaks.
Improper installation.

System Binds

Remote control.
Slow or no shift.
Cable movement.
90-863160 MAY 2000
Cause
Cause
Special Instructions
With engine running, check for vacuum
leaks. Squirt oil on fitting and hose
connections and on the shift
cylinder-to-end plate joint. If oil is
sucked in at any point, a vacuum leak
exists. Repair leak.
Reinstall.
Special Instructions
Disconnect input cable at power shift
cylinder. Disconnect throttle cable at
carburetor or injector pump. Operate
remote control. If binding occurs, find
cause of binding in either cable or
remote control and correct binding. If
no binding occurs, check vacuum.
Check vacuum drop-off. If vacuum
drops off to "0" psi in less than 5
seconds, install repair kit.
Check movement of cable from shift
plate to drive unit including shifting
linkage movement in drive unit for
binding. Replace or adjust shift cable
following procedures in SECTION 2A.
TROUBLESHOOTING
Page 1C-7