46
COMPILER TECO/ATL
REG. CODE
1-5302-296
MODEL N°
50510
DATE OF ISSUE
01.89
REVISION 02
ENDORSED
DATE
17.04.2003
IX
111
106 107
110
108 109
Oil pump
Check that gear teeth are intact and that clearance between gear
edge and pump body is 0.041÷0.053 mm with limit value 0.10 mm.
Furthermore check that control shaft is tree to rotate with end float of
0.040÷0.090 mm with limit value of 0.170 mm.
Oil pump delivery at 3000 r.p.m. is 18 liters/min.
Oil pressure relief valve
Components:
1) Plug - 2) Copper gasket - 3) Bushing - 4) Piston - 5) Rubber
gasket - 6) Ring - 7) Hole for pressure switch connection - 8) Spring
Note: Blow-by at an oil temperature of 40÷50°C and pressure of 3
bar should be less than 1 I/min.
When refitting screw bushing 3 so that it touches gasket 5.
Do not tighten excessively since gasket 5 might break causing an oil
pressure drop in the system.
Oil filter cartridge
Components: 6 Upper cover
1 Retainer 7 Blade
2 Plate 8 Filtering element
3 Valve 9 Assembly
4 Gasket 10 Belleville washer
5 Gasket 11 Tank
Characteristics:
Max. working pressure 13 bar
Working pressure in a 3000 r.p.m. engine with oil temperature of 40
÷50°C is 4.5÷5.5 bar.
Filtering area = 955 cm2
Type of filtration 20 µm
By-pass valve opening pressure 1.4÷1.8 bar.
Oil pressure check
Once the engine is fitted fill with oil and fuel, connect a 10 bar
pressure gauge to the oil filter fitting.
Start the engine and check pressure as a function of the oil
temperature (see page. 47).
LUBRICATION SYSTEM
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