Four winns V458 Owner's Manual page 158

SERVICE
Water Systems
lnspect All Water Systems
Fresh, Gray & Waste Holding Tank Inspections
Drain & Flush Fresh Water System
Drain & Flush Waste Water System
Drain & Flush Gray Water System (If Applicable)
Ventilation and Drainage
Engine Blower Operation
Head Blower Operation
Blower Vent System Cleaning
Bilge Pump Operation and Cleaning
Check Transom Drain Plug
Deck Hatch, Porthole & Aft Window Cabin Operation
Interior Equipment
Air Conditioner
Head Maintenance
Thru-Hull Fitting lnspection
lcemaker and Refrigerator Cleaning
Stove Maintenance
Carbon Monoxide Detectors
Exterior Equipment
Check PFD's for serviceability and Correct Number
Check Charge of Fire Extinguishers
Clean Spotlight
Check Compass for Magnetic Deviation
Windlass Maintenance
Check Trim Tab Operation
Clean Windshield
* Or as Required
General Maintenance - Section R
AT LAUNCH 25 HOUR
AND FIRST CHECK EACH
OPERATION* SEASON*
Refer to Section J
Refer to Section K
Before Every Use
Before Every Use
Refer to Section L
As Recommended by the Manufacturer
As Recommended by the Manufacturer
As Recommended by the Manufacturer
As Recommended by the Manufacturer
Refer to Section M
BI-
SEASONALLY
SEASONALLY
OR EVERY 12
OR EVERY 6
MONTHS OR
MONTHS OR
EVERY 200
EVERY 100
HOURS*
HOURS*
As Required
As Required
As Needed
Owner's Manual Page 156