Mercury 350 MAG Manual page 130

Section 5 - Maintenance
18. Remove the quick‑connect fitting from the water hose.
a
19. Retain the quick‑connect fitting with the water hose end for repeated use by storing it separately in a storage compartment
on the boat for easy access.
IMPORTANT: Do not store the quick‑connect fitting in the flush socket on the engine. Doing so would allow the seawater
pump to suck air during engine operation causing an overheating problem. Damages due to engine overheating are not
covered by Mercury MerCruiser Warranty.
a
20. Insert the dust cover in the flush socket on the engine.
18490
IMPORTANT: If the unit is to be stored in the water, the seacock should remain closed until time of usage. If unit is to be
stored out of the water, open the seacock.
21. Open the seacock, if equipped, or reconnect the alternative water inlet source prior to operating the engine.
Page 122
a - Quick‑connect fitting (water hose end)
b
b - Water hose
18487
Quick-connect fitting stored in the boat
a - Quick‑connect fitting (water hose end)
25900
a
Dust cover installed in the flush socket
a - Dust cover
b - Flush socket
b
90-8M0050539 MAY 2011
eng