Engine at operating temperature (oil temperature >= 80 °C).
Remove
Remove glow plugs – see operation "Glow Plugs, Remove and Install".
Insulate all glow plug cable connections.
Unlock injection pump wiring harness plug (1) in direction of arrow and detach.
Use compression recorder with a measuring range of from 10 to 40 bar in conjunction with Connecting Piece KM-533-B and Adapter KM-533-5.
Inspect
Actuate starter for approx. 4 sec. – min. engine speed 200 rpm.
Permissible pressure difference between individual cylinders of approx. 100 kPa (1 bar) should not be exceeded.
Compression: 2200 kPa (22 bar) to 3000 kPa (30 bar).
Install
Connect wiring harness plug to injection pump control unit and lock.
Install glow plugs – see operation "Glow Plugs, Remove and Install".