Defective Engine Lubricating System; Low Battery Voltage After Short Storage - Volvo 5.0OSiE-J Operator's Manual

Troubleshooting
Engine Won't Reach
Operating RPM
(Cont.)
Defective Engine
Lubricating System
Low Battery Voltage
After Short Storage
114
(Cont.) - Check:
Fuel pump pressure and vacuum.
Boat overloaded or load improperly placed.
Engine overheating.
Engine timing and ignition system operation.
Remote control cables and linkage for proper attachment and travel.
Engine Components - Check:
Clogged or incorrect oil filter.
Worn oil pump gears, cover, or shaft.
Worn or collapsed oil pump relief valve spring or foreign material
caught on valve seat.
Oil pump relief valve plunger loose in cover.
Damaged filter bypass grommet.
Clogged oil pickup screen, broken tube, or housing.
Plugged crankshaft or blocked oil galleys.
Dirty or defective hydraulic lifters or clogged push rod passages.
Poor quality, or incorrect viscosity or quantity of oil.
Incorrect hose routing on remote filter systems.
Water in crankcase oil from condensation, or defective head gasket,
oil cooler, or cracked manifold/block water passages.
Oil Pressure Warning System - Check:
Oil gauge/warning horn operation and wiring.
Engine temperature.
Oil pressure gauge and warning horn sender operation and wiring.
Engine/Boat Components - Check:
All electrical accessories including ignition circuit off.
Disconnect main battery negative cable from battery.
Connect ammeter or voltmeter in series between negative battery
cable and negative battery post:
•
Meter reading of "0" indicates no draw; test battery and charg-
ing system.
•
Meter movement no matter how slight indicates draw from bat-
tery.
Disconnect main engine harness 14-Pin Connector:
•
Meter drops back to "0" indicates problem caused by boat sys-
tem; continue to isolate each boat electrical accessory until
problem is found.
•
Meter does not drop back to "0" indicates problem caused by
engine electrical system; continue to isolate each engine elec-
trical accessory until problem is found.
Repair or replace components as necessary.
VPA 7748131 English 09-2007