Yanmar 4JH3E Specifications Page 26
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22 3. BEFORE OPERATION
3.5 Supplying Cooling Water
Burns from Scalding
• Never remove the filler cap of the fresh water cooler while the engine is still
hot.
Steam and hot water will spurt out and seriously bum you. Wait until the
water temperature has dropped, then wrap a cloth around the cap and
loosen it slowly.
• After inspection, refasten the cap firmly. If the cap is not secure, steam or
scalding water may be emitted during operation causing bums.
Fill the fresh water tank and the subtank with fresh cooling water.
1. Before filling, check to be sure the drain cocks (indicated in the diagram) are closed.
2. Remove the filler cap of the fresh water tank by turn-
ing the cap counterclockwise 1/3 of a turn.
3. Pour cooling water slowly into the fresh water tank so
that air bubbles do not develop. Supply until the water
overflows from the filler port.
Fresh water tank capacity:
See 2.2 Engine Specification
4. After supplying cooling water, replace filler cap and
tighten it firmly. To replace the cap, align the notches
on the back of the cap with the slots on the filler port
and turn clockwise 1/3 of a turn.
(Cont. on next page.)
5. Remove the subtank cap and fill with water to the
upper limit, FULL. Replace cap.
Subtank capacity:0.8l
6. Check the rubber hose connecting the subtank to the
fresh water cooler. Be sure the hose is securely con-
nected and there is no looseness or damage. If the
hose is not watertight, an excessive amount of cooling
water will be consumed.
Fresh water
pump
Lube oil
filter
Inter cooler
Oil cooler (marine
gear)
Fresh water cooler
Turbocharger
Turbocharger
Exhaust manifold
4JH3-TE /TCE
(Fresh water)
(Fresh water)
(Seawater)
(Seawater)
(Seawater)
(Fresh water)
(Fresh water)
(Fresh water)
(Fresh water)
KMH4A
Filler cap
Notches
Slots
Fresh water cooler
Filler cap
To fresh water tank
Upper limit
Lower limit
- OPERATION MANUAL 1
- [ INTRODUCTION ] 2
- 1. FOR SAFE OPERATION 5
- 1.2 Safety Precautions 6
- 1 128377-07350 8
- 2 128296-07260 8
- 3 128296-07300 8
- 4 196630-12980 8
- 2. PRODUCT EXPLANATION 9
- 2.2 Engine Specifications 10
- 2.2.2 4JH3-TCE 11
- 2.2.3 4JH3-HTE 12
- 2.2.4 4JH3-DTE 13
- 2.3 Names of Parts 14
- 2.4 Major Servicing Parts 15
- 2.5 Operation Equipment 16
- (2) Alarm Devices 17
- (1) Meters 17
- (3) Starter Switch 18
- (4) Stop button 18
- 2.5.2 Remote Control Handle 19
- HIGH SPEED 20
- LOW SPEED 20
- OPTION 21
- 3. BEFORE OPERATION 22
- 3.1.2 Lube oil 23
- 3.1.3 Cooling Water 23
- 3.2 Supplying Fuel 24
- To fuel injection pump 24
- From fuel tank 24
- Stop button 27
- 4. HOW TO OPERATE 28
- (1) Check before starting 30
- (2) Check after starting 30
- 4.3 starting 31
- Pull out handle lever 32
- Free throttle button 32
- Racing the Engine 34
- 4.7 Stopping the Engine 35
- 4JH3-DTE 37
- 4JH3-TE/-TCE 37
- 4JH3-HTE 37
- Dipstick (Lube oil) 42
- Drain pump 42
- Drain plug 42
- (1) Draining the Fuel Tank 43
- (2) Drain the fuel filter 43
- (1) Replacing the Fuel Filter 45
- (2) Replacing Cooling Water 45
- Pull out free throttle button 46
- Cable fitting 47
- Trawling lever 47
- Low speed 47
- (Trawling) 47
- High speed 47
- Seawater pump 49
- Direction of impeller blades 49
- Direction of shaft rotation 49
- Warranty Service 54
- 7. SYSTEM DIAGRAM 56
- Neutral SW 57
- Starter relay 57
- 1/2 (Panel side) 58
- 2/2 (Engine side) 59
- Instrument Panel (Optional) 62
- 49961-202851 64
- Operation Manual 64
- OVERSEAS OPERATIONS DIVISION 65
- YANMAR DIESEL AMERICA CORP 65
- YANMAR EUROPE B.V 65
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