Iveco/FPT C13 — Intake and exhaust rocker play adjustment and pre-loading of rockers controlling pump injectors
Adjustments · Rocker arms
For the Iveco/FPT C13, from the Iveco/FPT service manual.
Applies to: Iveco/FPT C13
Before you start
- Follow the sequence specified in the table and check position using pin 99360612
Procedure
- Bring the cylinder to be adjusted to the firing (bursting) phase; symmetric pairs are 1-6, 2-5, 3-4.
- Slacken the locking nut of the rocker arm adjusting screw.
- Insert the thickness gauge blade and adjust the screw so the blade slides with slight friction.
- Tighten the adjustment screw to 5 Nm (0.5 kgm).
- Untighten the adjustment screw by 1/2 to 3/4 rotation.
- Tighten the locking nut while holding the adjustment screw.
- For injection rockers, loosen the nut of the rocker adjustment screw controlling the pump injector.
- Tighten the adjusting screw until the pumping element reaches end-of-stroke.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Adjustment screw 5 Nm (0.5 kgm)
- Adjustment screw back off 1/2 to 3/4 turn
Source: Iveco/FPT 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.