Avtodizel ???-238??, Operating Instructions Manual, Page: 13 / 254

13
Power Unit Model
Key parameters and charac-
teristics
ЯМЗ
-238
БЕ ЯМЗ
-238
БЕ
2
ЯМЗ
-238
ДЕ ЯМЗ
-238
ДЕ
2
Set Injection Advance An-
gle, degrees Is set on marks on flywheel and injection pump housing and is:
13º ±
1
-
for engines
ЯМЗ
-238
БЕ
,
ЯМЗ
-238
ДЕ
;
6º
±
1
-
for engines with one-piece cylinder head
ЯМЗ
-238
БЕ
2,
ЯМЗ
-238
ДЕ
2;
8º ±
1
-
for engines with separate heads
ЯМЗ
-238
ДЕ
2
Fuel Filters:
Rough Cleaning Sediment bowl for engines
ЯМЗ
-238
БЕ
2, 238
ДЕ
2
With Changeable Filter Element for engines
ЯМЗ
-238
БЕ
, 238
ДЕ
Thin Cleaning
With Changeable Filter Element. Bypass Jet Valve is located on Filter Cover, or
at ability on Engine of pilot-flame Pre-heater – Jet Valve. Jet Valve Opening Pres-
sure 20 - 40 (0,2 - 0,4) kPa (kgf/cm
2
)
Supercharging Exhaust Gas, with one Turbocharger
Turbocharger 122 Model
Boost pressure at nominal
mode, kPa (kgf/cm
2
)
95 (0,95) 110 (1,10)
Cooling System Liquid, Closed Type, with Forced Circulation of Coolant. Is equipped with Ther-
mostatic Device for Maintenance of Constant thermal Range
Coolant Pump Centrifugal Type, with Belt Drive
1
3