Kohler — Static injection advance regulation
Adjustments · Injection pump / injector unit
From a Kohler service manual covering: KD 702, KDW 1003, KDW 1404, KDW 702, KDW 702 - 1003 - 1404. Check it applies to your exact model before use.
Applies to: Kohler KDW 1003, Kohler KDW 1404, Kohler KDW 702, Kohler KDW 702 / KDW 1003 / KDW 1404 engine, Kohler KDW702 engine, Kohler KDW1003 engine, Kohler KDW1404 engine
Procedure
- Fill the tank and operate the fuel pump.
- Set pump/injector delivery control rod at half-stroke.
- Bring piston to top dead centre of compression.
- Prime the injection pump by turning the advance screw lock nut wrench forth and back.
- Operate lever 2 to bring drain valve into contact with piston; reset dial gauge.
- Go back ¼ turn anticlockwise, then turn forward slowly until fuel level changes.
- Check piston lowering against the conversion table.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Static injection advance 11° to 13°
- Rotating screw E ½ turn changes advance by 5°
Full service-parts list: Kohler KDW 1003 →
Source: Kohler 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.