WEICHAI Baudouin PowerKit 12M33 Series, Руководство по эксплуатации и обслуживанию

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2.5 Lubrication System
12M33 Series gas engines are equipped with a lubrication system including two oil coolers.
The gear driving oil pump is located at the low front of the engine.
Many engine parts are lubricated by pressurized oil through piping and crankcase hoses.
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Oil circuit
Figure2.5-Overall Layout of oil circuits
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Oil filters
12M33 gas engine ranges are equipped with a lubricating system including 6 full flow oil
filters and two centrifugal oil filters.
a) "Full flow" filters fitted in series on the circuit.
These cartridges are equipped with a by-pass valve allowing the continuity of the engine
lubrication even in case of a sudden clogging.
b) Centrifugal oil filter(s)
Centrifugal oil filters of 12M33 gas engine are installed in bypass on both side of the
engine.
1-Oil Sump 10a-Conrod bearings
2- Suction strainer 7b-Camshaft bearings
3- Oil pump 7c-Cylinder head lubri-
cating oil pipe 4a-Centrifuge filter
4b-Oil Filter 8c-Tappet
5-Oil Cooler 9c-Pushrod
5a-Bypass Valve 10c-Rocker arm shaft
and rocker arm 5b-Pressure Relief Valve
6-Main Oil Gallery 7d-Main bearing
7a-Piston Spray nozzle 11-Turbocharger
8a-Piston
9a-Conrod;