Yanmar BY series Spezifikationen PDF herunterladen (Seite 100)

PERIODIC MAINTENANCE

BY Series Operation Manual 93

3. Check the seawater pump belt

(Figure 8, (1)) and alternator belt

(Figure 8, (2)) for wear, cracks or

damage.

4. Replace if necessary. See your

authorized Yanmar dealer or distributor.

5. Install belt guard and connect battery

negative (-) cable.

Replace the Zinc Anodes

Figure 9

There are zinc anodes in the seawater

cooling system and they should be

inspected and replaced periodically.

Zinc anodes are located in the heat

exchanger (Figure 9, (1)) and the charge

air cooler (Figure 9, (2)).

A zinc anode is also located in the optional

high-rise elbow (Figure 9, (3))

1. Disconnect battery negative (-) cable.

2. Remove each anode and inspect for

corrosion. Any anode having less than

1/2 its original size remaining should be

replaced.

IMPORTANT

Never use thread sealer or thread

sealing tape when installing zinc

anodes. Anodes must make good

metal-to-metal contact to perform

properly.

3. Install each anode using a new copper

gasket and tighten to 25 N·m (18 ft-lb).

4. Start engine and check for water leaks.

Check or Replace the Seawater

Pump Impeller

See your authorized Yanmar dealer or

distributor.

Replace the Turbocharger Heat

Shield

See your authorized Yanmar dealer or

distributor.

Check Exhaust / Water Mixing

Elbow

See your authorized Yanmar dealer or

distributor.

0003659B

(1)

(2)

(3)

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