Section 4 - Maintenance
90-8M0133679
eng
JUNE 2017
Page 63
5. Remove the anode assembly (anode plug and the sacrificial anode) from the aft end of the fluid cooler.
Typical engine
a -
Anode assembly
b -
Fluid cooler
Cleaning and Inspection
Inspection and replacement interval will vary according to the condition of the seawater and the mode of engine operation.
NOTE: Using sandpaper, fiber brush, or cleaning pad, remove the deposits from the surface of the anode before trying to
determine the amount of erosion. Do not use a mild steel brush, which might leave deposits that could accelerate corrosion.
1. Remove the deposits.
2. Inspect and measure the anode. Compare the measurements to the specifications for a new sacrificial anode and replace
the anode assembly when deteriorated 50%.
NOTE: Sacrificial anodes are available only as an assembly. Replace both the plug and anode as a unit.
Anode assembly
a -
Anode plug
b -
Sacrificial anode
c -
Length
d -
Diameter
e -
Sealing washer
Sacrificial anode measurements (new)
Length
19 mm (3/4 in.)
Diameter
16 mm (5/8 in.)
3. Discard the sealing washer.
Installation
1. Install a new sealing washer on the anode assembly (anode plug with the sacrificial anode).
a -
Anode assembly
b -
Sealing washer
a
23710
b
19226
a
b
c
d
e
19227
a
b
Содержание MerCruiser Diesel Inboard 2.8L
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Страница 38: ...Section 3 Specifications Notes Page 30 90 8M0133679 eng JUNE 2017 ...
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