Doosan GE12TIC — Valve clearance adjustment

Adjustments · Valve train

For the Doosan GE12TIC, from the Doosan service manual.

Browse Doosan generators & specs →

Procedure

Turn crankshaft to bring #1 piston to compression TDC.
Loosen rocker arm adjusting screw lock nuts.
Insert 0.4 mm feeler gauge between rocker arm and valve stem.
Turn adjusting screw until gauge pulls out with slight restriction.
Hold adjusting screw and tighten lock nut.
Measure clearance again; readjust if necessary.

Tools required

Feeler gauge Amazon
Ring spanner Amazon
Screw driver Amazon

Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.

Specs & values

Intake 0.4 mm cold
Exhaust 0.4 mm cold

Source: Doosan 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.

More Doosan repair guides →