Deutz — Checking Valve Clearance
Adjustments · valve train
From a Deutz owner's manual covering: F 3L 912, F 4L 912, F 5L 912, F 6L 912, F3L F4L F5L F6L. Check it applies to your exact model before use.
Browse Deutz generators & specs →
Procedure
- Check clearance with engine cold using a 0.15 mm (0.006 in.) feeler gauge.
- Turn crankshaft until piston of cylinder reaches compression dead center.
- Insert feeler gauge between rocker arm and valve; correct clearance is when gauge can be inserted with slight drag.
- If not, loosen lock nut of adjusting screw and adjust with screwdriver.
- Check that punch mark on oil nozzle points to rocker arm pad.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Valve clearance 0.15 mm (0.006 in.) cold
Source: Deutz owner's 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.