300CD (123.153) L5-3.0L DSL Turbo (617.952) (1982)
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Injection Timing: Testing and Inspection
High Pressure Method
CHECKING INJECTION TIMING (BEGIN OF DELIVERY) (HIGH PRESSURE METHOD)
Test values
Injection timing (begin of delivery) before TDC in compression stroke +24° ± 1°
Attention! Push regulating lever of injection pump to full load while measuring and pull vacuum hose from vacuum control unit.
Tightening torque
Injection lines ................................................................................................................................................................................ 25 Nm (18.5 ft lb)
Special Tools
Conventional tool
Torque wrench 1/2" square, 15-65 Nm
Checking
1. Clean injection lines in range of coupling nuts on injection pump as well as on fuel filter.
