Deutz — Injection pump test on engine
Testing & diagnosis
From a Deutz service manual covering: F2L 1011, F3L 1011, F4L 1011. Check it applies to your exact model before use.
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Procedure
- Connect injection pump tester to delivery valve holder.
- Turn crankshaft via V-belt pulley, while bleeding tester at the screw plug.
- Turn crankshaft until a pressure of 150 bar is applied to the delivery valve; pressure should not drop more than 10 bar within one minute.
- Turn crankshaft further until a pressure of 300 bar is generated. If this value is not attainable, remove injection pump.
- Remove injection pump tester and reassemble engine.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- 150 bar; indicated pressure should not drop more than 10 bar within one minute
- 300 bar
Source: Deutz service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.