Test compression pressure

AR01.00-P-1200SM

17.1.08

ENGINES 660.940 in MODEL 450.3 /4 (except 450.418)

P01.00-2328-07

1 Adapter

2 Connector

4 Compression tester

3 Injectors

 	Remove/install
1	Remove engine compartment cover
2	Read out fault memory
	Connect STAR DIAGNOSIS and read out fault memory		AD00.00-P-2000-04SM
3	Remove glow plugs		AR15.20-P-4111SM
4	Unplug connector (2) from the injectors (3)
5	Screw in adapter (1) into the glow plug thread	 Adapter	*450589029100
6	Connect compression tester (4)	 Compression tester	*450589052100
	Checking
7	Crank engine with ignition/starter switch	 To check the compression pressure, crank engine through at least 15 revolutions.
8	Carry out test procedure at remaining cylinders in the same way
9	Compare measurements obtained with the specified pressures		*BE01.00-P-1001-01G
10	Install in the reverse order

Check values for compression pressure

Number	Designation		Engine 660.940 ε=18.5


BE01.00-P-1001-01G	Compression pressure new value	bar	18.5

450 589 05 21 00

Compression tester set

Adapter

450 589 02 91 00