Yanmar 4JH45 Spezifikationen PDF herunterladen (Seite 82)

PERIODIC MAINTENANCE

76 JH Series Operation Manual

Figure 6

4JH80, 4JH110

Figure 21

1–

Coolant drain cock (Turbocharger)

2 – Turbocharger

3 – Coolant drain cock

(Cylinderblock)

4 – Marine gear oil cooler (KMH4A)

5 – Seawater drain cock

(Marine gear oil cooler)

Figure 7

Figure 22

6 – Coolant pump

7 – Coolant tank (Heat exchanger)

8 – Coolant drain cock (Coolant

tank/Heat exchanger)

9 – Seawater drain cock (Air cooler)

10 – Air cooler

11 – Seawater pump

(Drain from pump cover)

Note: The drain cocks are opened

before shipping from the factory.

Marine gear ZF25A does not

have a drain cock on the clutch

cooler.

1. Open all coolant drain cocks.

2. Allow to drain completely. Dispose of

waste properly.

3. Close all the drain cocks.

4. Fill coolant tank and reservoir with

appropriate coolant.

See Engine Coolant Specifications on

page 41 and Checking and Adding

Coolant on page 42 .

Cleaning the Intake Silencer (Air

Cleaner) Element

1. Disassemble the intake silencer (air

cleaner).

2. Remove element. Clean element and

housing with a neutral detergent.

3. Dry completely and reassemble.

Cleaning the Exhaust/Water Mixing

Elbow

The mixing elbow is attached to the

turbocharger. The exhaust gas is mixed

with seawater in the mixing elbow.

1. Remove the mixing elbow.

2. Clean dirt and scale out of the exhaust

and seawater passages.

3. If the mixing elbow is damaged, repair

or replace. Consult authorized Yanmar

Marine dealer or distributor.

4. Inspect the gasket and replace if

necessary.

345

056988-00X00

67 8

911 10

056989-00X00

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