Yanmar 1GM10V Spezifikationen PDF herunterladen (Seite 33)

4. Maintenance & Inspection

33

4.3.5 Inspection Every 600 Hrs.

(1) Inspecting Inner Parts of the Sea-

water Pump

Depending on the use, the inside parts of

the seawater pump deteriorate and

discharge performance drops. At the

specified interval or when the volume of

seawater discharged is reduced, inspect

the seawater pump i accordance with the

following procedures:

1. Loosen the side cover set bolts and

remove the side cover.

2. Illuminate the inside of the seawater

pump with a flashlight and inspect.

3. If any of the following problems is

found, disassembly and maintenance

are necessary:

a) Impeller blades are cracked or nicked.

Edges or surfaces of the blades are

marred or scratched.

Note: The impeller must be replaced

periodically (every 1000 hrs.).

b) Pump body is damaged.

4. If no damage is found when inspecting

the inside of the pump, reassemble the

side cover.

If a large amount of water leaks

continuously from the water drain pipe

beneath the seawater pump during

operation, disassembly and

maintenance (replacement of the oil

seal) are necessary.

When disassembly and maintenance

of the seawater pump are necessary,

consult your Yanmar dealer or

distributor.

The seawater pump turns in the

counterclockwise direction, but the

impeller must be installed by turning in

the clockwise direction. If the Impeller

has been removed for any reason and

must be reassembled, be very careful

not to make a mistake and turn it in the

002550-00E

wrong direction. Additionally, if the

engine is being turned manually, be

careful to turn it in the correct

direction. Incorrect turning will twist

the impeller and damage it.

(2) Inspection and Adjustment of

Intake/Exhaust Valve Clearance.

When operating for long periods of time,

the clearance between the intake/exhaust

valve and the rocker arm will change and

affect operation performance. Adjustment

is necessary.

Adjustment requires specialized

knowledge and techniques. Consult your

Yanmar dealer or distributor.

(3) Inspecting and Adjusting the Fuel

Injection Spray Condition.

Adjustment is necessary to obtain the

optimal fuel injection to ensure the best

possible engine performance. This

inspection requires specialized

knowledge and techniques. Consult your

Yanmar dealer or distributor.

(4) Adjusting the Remote Control

cable

(See page 38, 4.3.2(3))

002651-00E

(Seawater pump)

Outlet

Inlet

Impeller

Direction of rotation

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