Section 4 - Maintenance
90-8M0133679
eng
JUNE 2017
Page 55
e. Install the sealing washer and drain plug, if equipped.
37290
Typical seawater strainers
9. After the seawater has completely drained, apply sealant to the threads of the drain plugs or fittings (if equipped). Install
and tighten the drain plugs or fittings.
Tube Ref No.
Description
Where Used
Part No.
19
Perfect Seal
Drain plug or fitting threads
92-34227Q02
10. Connect all hoses. Tighten the hose clamps.
Checking the Seawater Pickups
Verify that the water inlet holes for the seawater pickup are clean and not obstructed.
54902
Typical through-the-hull seawater pickup
Cleaning the Seawater Strainer, if Equipped
NOTICE
An open seawater strainer or seacock during some service or maintenance procedures can introduce water into the boat,
causing damage or sinking the boat. Always close the water supply from the seawater pump, water inlet, or seacock when
performing service or maintenance on the cooling system.
1. With the engine off, close the seacock, if equipped, or remove and plug the seawater inlet hose.
2. For metal seawater strainers:
a. Remove the screws, washers, and cover.
b. Remove the strainer, drain plug, and sealing washer.
c. Clean any debris from the strainer housing.
d. Flush both the strainer and housing with clean water.
Summary of Contents for MerCruiser Diesel Inboard 2.8L
Page 1: ...2 8L and 4 2L Diesel Inboard Models OPERATION MAINTENANCE MANUAL ...
Page 2: ......
Page 8: ...Page iv 90 8M0133679 eng JUNE 2017 ...
Page 20: ...Section 1 Getting to Know Your Power Package Notes Page 12 90 8M0133679 eng JUNE 2017 ...
Page 38: ...Section 3 Specifications Notes Page 30 90 8M0133679 eng JUNE 2017 ...
Page 92: ......