Cleaning And Inspection; Installation - Mercury MerCruiser Service Manual

All Models

Cleaning and Inspection

1. Clean all gasket material and sealant from the sealing surfaces.
2. Check the bearing for excessive play.
3. Check the bearing for abnormal noise when turning the shaft.
4. Check the pump body for cracks.
5. Check the seal for signs of leaking.

Installation

1. Coat both sides of the water circulating pump gaskets and the threads of the attaching fasteners with Perfect Seal.
Tube Ref No.
Perfect Seal
19
2. Install the new water circulating pump gaskets onto the cylinder block.
3. Install the water circulating pump. Tighten the fasteners (three screws and one stud) to the specified torque.
Description
Water circulating pump fasteners
c
b
a
4. Install the water circulating pump pulley onto the water circulating pump, and hand‑tighten the screws.
5. Reconnect the hose to the water circulating pump. Tighten the hose clamps securely.
IMPORTANT: If a belt is to be reused, it must be installed in the same direction of rotation as before.
6. Install the serpentine drive belt and adjust the belt tension. Refer to Section 4C ‑ Serpentine Drive Belt.
7. Tighten the water circulating pump pulley screws to the specified torque.
Description
Water circulating pump pulley screws
8. Fill the closed‑cooling system, if equipped.
Without sufficient cooling water, the engine, the water pump, and other components will overheat and suffer damage. Provide
a sufficient supply of water to the water inlets during operation.
9. Supply cooling water to the engine.
10. Start the engine and check for leaks.
Page 6A-10
Description
Water circulating pump gaskets and the threads of the
d
© 2016 Mercury Marine
Where Used
attaching fasteners
a - Stud
b - Screws (3)
c - Water circulating pump
d - Gaskets (2)
56639
NOTICE
92-34227Q02
Nm lb‑in.
29 –
Nm lb‑in.
26.4 –
90-8M0099748 eng DECEMBER 2015
Part No.
lb‑ft
21.4
lb‑ft
19.5