Scheduled Maintenance - Mercury 496 MAG Bravo Owner's Manual

Gas Sterndrive (Continued)

Scheduled Maintenance *

Touch-up paint power package and spray with corrosion
guard.
Change crankcase oil and filter.
Change drive unit oil and retorque connection of gimbal
ring to steering shaft.
Replace fuel filter.
Check steering system and remote control for loose,
missing or damaged parts. Lubricate cables and
linkages.
Inspect and lubricate U-joints and splines; inspect bel-
lows and clamps. Check engine alignment.
Lubricate gimbal bearing and engine coupler.
Check continuity circuit for loose or damaged connec-
tions. Test MerCathodeR unit output on Bravo models.
Retorque engine mounts.
Check spark plugs, wires, distributor cap and ignition tim-
ing. Check and adjust idle speed.
Clean flame arrestor.
Check electrical system for loose, damaged or corroded
fasteners.
Inspect condition and tension of belts.
Check cooling system and exhaust system hose clamps
for tightness. Inspect both systems for damage or leaks.
Disassemble and inspect seawater pump and replace
worn components.
Clean seawater section of closed cooling system. Clean,
inspect and test pressure cap.
Replace coolant.
Lubricate driveshaft U-joints and tailstock input and out-
put bearings.
* Only perform maintenance which applies to your particular power package
z Whichever Occurs First
*
Lubricate engine coupler every 50 hours if operated at idle for prolonged periods of time.
44
Every
Every
200
100
Hours
Annu-
Hours or
or 3
ally
Annually
Years
z
z
L
L
L
L
L
L
L*
L
L
L
Every
300
Every Every
Hours
2 5
or 3
Years Years
Years
z
L
L
L
L
L
L
L
L
INDEX