3-2. ENGINE ADJUSTMENTS (CONT).
Flat side of injector gage faces injector follower.
Some supply brake wire harness connectors may have to be removed to adjust fuel injector
Insert injector gage in hole at top of fuel injector body (4) and check clearance. Clearance should be
1.520 in. (38.6 mm).
Hold injector rocker arm push rod (3) and loosen nut (5).
Turn push rod (3) and adjust injector rocker arm (6) so flat side of injector gage passes just over top of
injector follower (7).
Hold push rod (3) and tighten nut (5).
Position injector gage in fuel injector body (4) and recheck clearance of injector follower (7). If
clearance is wrong, repeat Steps (2) through (5).
Repeat Steps (1) through (6) for other seven fuel injectors.