Yanmar 4JH3-TCE Spezifikationen PDF herunterladen (Seite 23)

6. Periodic Inspections and Maintenance

23

EN

Use Compressed Air (0.5~1 Bar) from

main system, 12 V portable compres-

sor or from portable hand pump or foot

pump.

Option 2: Using Compressed air

with help from a portable hand

pump or foot pump

(1) Install a one-way (non return) valve

in the pressure line (connected to

the top cover). This is done to main-

tain the pressure during use of the

pump.

(2) Connect the hand pump or foot

pump with the pressure line to the

adapter joint on the top as shown

above.

(3) With the system now connected,

pump out the oil until empty. The

first 0.9 liter will take approx. 3 min-

utes. The second part takes more

time as mostly air will be pumped

out; this will take approx. 12 min-

utes.

6.2.1.4 Using Yanmar Pump

First follow steps (1), (2), (3) on page 22

and step (1) on page 22

Connect the hand pump with hoses as

shown above, and start pumping.

Be aware that oil has to flow down through

narrow parts and then up again.

Therefore, during this procedure, at first

suction pressure will be high and pumping

will be hard. A few minutes waiting in be-

tween will help. After taking out about 0.9

liter of oil, mostly you will pump out air, but

continuous pumping is necessary.

Though approx. 100-200 ml of old oil will

remain in the drive unit, in this case, it is no

problem to fill-up with the new oil for main-

tenance.

The hand pump (p/#:28210-000080) and

rubber hose (p/#:196440-92970) are avail-

able from Yanmar, and are optional parts

for SD50/-4T. Or any type of hand pump or

rubber hose (Inner diameter ø14-16 mm)

available from the hardware shop, are us-

able.

A One-way valve

B Adapter joint screwed in cover

C Simple foot pump

003454-00E

B

A

C

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