Section 5 - Maintenance
Page 74
90-899883179 OCTOBER 2007
IMPORTANT: Alpha engines with the sterndrive water inlet blocked off at the gimbal
housing, and using a through the hull water inlet, need a supply of cooling water available
to both the sterndrive unit and to the engine during operation
Flushing Attachments
Flushing Device
91‑44357Q 2
9192
Attaches to the water intakes; provides a fresh water
connection when flushing the cooling system or operating the
engine.
Dual Water Pick‑up Flush Gearcase Seal Kit
91‑881150K 1
9194
Blocks off the front water inlet holes on the dual water inlet
gearcases.
Sterndrive Water Pickups
There are two types of water pickups available on Mercury MerCruiser sterndrives: dual
water, and side pickups. Dual water pickups require the flushing attachment (44357Q 2)
and the flush seal kit (881150K 1), and side pickups require the flushing attachment
(44357Q 2).
5752
5773
Dual Water Pickup
Side Pickup
NOTE: Flushing is needed only for salty, brackish, mineral laden or polluted water
applications. Flushing is recommended after each outing for best results.
Summary of Contents for MerCruiser 4.3 TKS
Page 8: ...Page iv 90 899883179 OCTOBER 2007...
Page 20: ...Section 1 Warranty Notes Page 12 90 899883179 OCTOBER 2007...
Page 46: ...Section 3 On The Water Notes Page 38 90 899883179 OCTOBER 2007...
Page 92: ...Section 5 Maintenance Notes Page 84 90 899883179 OCTOBER 2007...
Page 114: ...Section 6 Storage Notes Page 106 90 899883179 OCTOBER 2007...
