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Yanmar 4JH57 User Manual

Yanmar 4JH57
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BEFORE YOU OPERATE
54 JH Series Operation Manual
Checking Marine Gear Oil
Figure 7
1 Filler cap
2–Dipstick
(Filler cap combined type)
3 Upper Limit
4 Lower Limit (Dipstick end)
Note: 4JH110 with KMH4A marine gear
shown.
1. Make sure engine is level.
2. Remove the filler cap (Figure 7, (1)) at
the top of the housing.
3. Remove dipstick (Figure 7, (2)) and
wipe with clean cloth.
4. Re- insert the dipstick without screw in.
See the illustration (Figure 7).
5. Remove dipstick. The oil level should
be between upper (Figure 7, (3)) and
lower (Figure 7, (4)) lines on the
dipstick.
6. Screw in the dipstick.
Adding Marine Gear Oil
1. Make sure the engine is level.
2. Remove the filler cap (Figure 7, (1)) at
the top of the housing.
3. Fill with oil to the upper limit on the
dipstick (Figure 7, (3)). See Marine
Gear Oil Specifications on page 53.
NOTICE
Never overfill the marine gear with oil.
4. Screw in the dipstick.
5. Tighten the filler port cap by hand.
Checking and Adding Sail Drive
Oil
Refer to the operation manual for SD60 for
the procedure to check and fill the sail
drive oil.
054317-00X00
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3JH40_4JH45_4JH57_4JH80_4JH110_EN_OPM.book 54 ージ 2022年9月22日 木曜日 午後6時17

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Yanmar 4JH57 Specifications

General IconGeneral
Number of Cylinders4
Displacement2.19 L
AspirationNaturally aspirated
Combustion SystemDirect injection
Cooling SystemFresh water cooling with heat exchanger
Alternator12V - 125A
Engine Type4-stroke, water-cooled diesel
Rated Output41.9 kW @ 3000 rpm
Starting SystemElectric start
Lubrication SystemForced lubrication

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