Yanmar 2 QM 20 User manual
Your on-the-job Partner
MODEL
2 QM 20
3 QM 30
(F) (Y)
Abma's Ja htwerf
Eeltje Baasweg 4, 8606 KA Sneek.
Tel. 0515 - 419065.
OPERATION MANUAL
CONTENTS
1. Fuel
2. Lubri ating oil
3. Running in
1. Fuel
2. Lubri ating oil
1. Starting
2. Warming up
1. Fuel
2. Lubri ating oil
3. Cooling water
4. Charging
5. Exhaust gas
6. Abnormal sounds
Fresh water ooled engine ooling system handling instru tions
18
Engine Models 2 QM 20 F, 3 QM 30 F (For pleasure boat)
2 QM 20 Y, 3 QM 30 Y (For work boat)
14
16
1 - 15
2
5
7
11
12
III PREPARATION
IV STARTING
INAME OF PARTS
II BEFORE USING THE ENGINE
IX
VII AIR VENTING
VIII PERIODICAL CHECK
V
VI STOPPING
POINTS TO CHECK DURING OPERATION
NAME OF PARTS
I
1.
Exhaust manifold
Thermostat
L.O. supply port ( lut h ase)
Fuel oil strainer
Fuel inje tion pump
Ro ker over
Cooling water pump
F.O. feed pump
Propeller shaft oupling
Oil dipsti k
Speed ontrol lever
Intake silen er
Gear lever
Hoisting bolt
De ompression lever
Exhaust elbow
Clut h ase
Propeller shaft oupling
BEFORE USING THE ENGINE
1.
Fuel
1)
Use high grade diesel oil as fuel.
2)
Never fail to remove any dirt deposits around ap when filling.
Re ommended brands of fuel
Supplier
B.P. Diesel oil
NOTE)
Presen e of water or dust in the fuel may ause
failure of the engine and early wear of the plunger,
fuel inje tion pump, and the fuel inje tion valve nozzle.
Water and dust in the fuel tank should be removed
and lean fuel used.
2.
(Britis h Petroleum)
Shell Diesoline or lo al equivalent
CALTEX
SHELL
MOBIL
ESSO
B.P.
Caltex Diesel oil
Mobil Diesel oil
Esso Diesel oil
Brand Name
II
2.
Lubricating oil
1)
Choose an oil with proper vis osity for the ambient temperature.
2)
In adding lub. oil do not mix different kinds of oil. (brands and/or vis osity)
30
40
30
40
30
40
30
40
RPM Delo Multi-Servi e Oil
20
30
50
Delva Spe ial
20
30
-
Delva 20 W - 40
20W-40
-
-
30
40
30
40
30
40
30
40
30
40
B.P. Energol ICMB
Britis h
B.P. Energol DS-3
Petroleum
50
50
20W 20W 40 50
10W
20
3.
Re ommended brands of lub. oil
Shell Talona Oil
Shell Rimula Oil
Shell Rotella Oil
SHELL
RPM Delo Marine Oil
Estor HD
Esso Lube HD
-
Standard Diesel Oil
10 W. 20/20 W
10 W
20/20 W
20
20
20
SAE NO.
Supplier Brand Name over 35º C
II
below 10º C 10-20ºC
20/20 W
50
50
-
20/20 W
20-35ºC
50
CALTEX
20/20 W, 10 W
MOBIL
10 W
20 W - 40
Delva 1100 Series
Delva 1200 Series
10 W 20
50
50
ESSO
B.P.
10W, 20/20W
10W, 20/20W
20/20 W
20/20 W
10W
-
Amount of lub. oil
odel
Crankcase
Clutch case
3.
Running in
1)
The new engine must be arefully run in during the first 50 hours and not
subje ted to strain.
2)
After the running in period, retighten any important nuts and bolts that
are loose.
II
4.
2 QM 20 5.1
litres
0.5
litres
3 QM 30 7.0
litres
1.2
litres
PREPARATION
1.
Fuel
[1-1]
Fuel tank
1)
Fill the fuel tank
2)
Open the fuel o k.
[1-2]
Checking fuel injection
1)
Set the speed ontrol lever
to the FULL position and the
gear lever in NEUTRAL.
2)
Disengage the de ompression
lever, then turn the starting
handle two or three times and
listen to the sound of fuel
inje tion.
3)
If the proper fuel inje tion
sound annot be heard, refer
to AIR VENTING on page 14.
5.
Fuel tank
F.O. cock
F.O. drain cock
Starting handle
De ompression lever
2.
Lubrication oil
[2-1]
Crankcase/clutch case
1)
Che k the oil level with the
lub. oil dipsti k and add fresh
oil until the level rea hes the
upper mark on the dipsti k.
NOTE)
Avoid both overfilling and
underfilling.
The orre t oil level an be determined
only when the boat is level.
[2-2]
Lubrication of each part
1)
Starter hain
III
6.
Oil dipsti k
Oil dipsti k
Upper marking
Lower marking
Oil dipsti k ( lut h ase)
Oil dipsti k ( rank ase)
L.O. supply port
L.O. supply port
Chain
This manual suits for next models
5
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