Cold Weather Or Extended Storage; Battery Winter Storage; Power Package Layup - Mercury D4.2L Manual

CD44
CA115

Battery Winter Storage

Follow battery manufacturer's instructions for storage.
CD280

Power Package Layup

IMPORTANT: MerCruiser strongly recommends that this service should be performed by an Authorized
MerCruiser Dealer. Damage caused by freezing IS NOT covered by the MerCruiser Limited Warranty.
The engine must be prepared for long storage periods to prevent internal corrosion and severe dam-
age.
IMPORTANT: If boat has already been removed from water, before starting engine a source of water
must be supplied to water intake (inlet) openings. Follow all warnings and flushing attachment proce-
dures stated in "FLUSHING COOLING SYSTEM".
DO NOT operate engine without water flowing thru seawater pickup pump, as pump impeller may be
damaged and subsequent overheating damage to engine or drive unit may result.
1
Start engine and run until it reaches normal operating temperature. Stop engine. Change oil and filter. Start
engine and run for about 15 minutes. Check for oil leaks.
Do not remove coolant cap when engine is hot - coolant may discharge violently.
IMPORTANT: Closed cooling section must be kept filled year-round with the specified coolant.
IMPORTANT: Do not use Propylene Glycol Antifreeze in the closed cooling section of the engine.
IMPORTANT: Drain seawater section of closed cooling system only.
2
Do not open either of these two petcocks. They are in the closed cooling circuit.
NOTE: Refer to the following pages for continuation of specific draining instructions.

Cold Weather Or Extended Storage

CAUTION
CAUTION
WARNING
107