15-515 Testing firing point
Operation no. of operation texts and work units or standard texts and flat rates |
S5/3 | High-voltage distributor |
T1 | Ignition coil |
X11 | Diagnostic socket/terminalblock terminal TD |
1 | Segment on flywheel/driven plate |
2 | Vacuum line |
030 | Engine tester with oscilloscope |
B11/2 | Coolant temperature sensor (EZL/CIS-E/2 E-E) |
G1 | Battery |
L5 | Crankshaft position sensor |
N1/2 | Electronic ignition control unit |
N45 | 2 E-E carburetor control unit |
R4 | Spark plugs |
R16 | Resistance trimming plug (EZL) |
Engine tester with oscilloscope (030) | connect. |
Firing point | test at coolant temperatures >75 °C and <90 °C with and without vacuum at specified engine speed (regard table). To avoid incorrect measurements, a resistance of 320 W (corresponding to approx. 80 °C) must be input via the ohm's decade in place of the coolant temperature sensor (B11/2). |
Test and setting data
Engine | EZL control unit part no. | Engine speed in rpm | Firing point in °CA before TDC | ||
Resistance trim- ming plug setting | without vacuum | with vacuum | |||
102.922 1) 102.924 1) KAT/RÜF | 004 545 79 32 004 545 81 32 ww 006 545 40 32 006 545 41 32 ww | 3200 | S | 22 - 26 | 38 - 42 |
3200 | N | 15 - 19 | 38 - 42 | ||
Idle speed | S and N | 11 - 15 | 11 - 15 | ||
102.922 2) 102.924 2) KAT/RÜF | 006 545 52 32 006 545 53 32 ww | 3200 | S | 19 - 23 | 38 - 42 |
3200 | N | 14 - 18 | 38 - 42 | ||
Idle speed | S and N | 11 - 15 | 11 - 15 | ||
1) up to 09/88.
2) as of 09/88.
ww optionally.