Pre-removal/Adjustment. Locate top dead
center (TDC) as follows:
A vibration damper holder is required
for this task and must be fabricated
Timing pin will lock in when TDC
(a) Place a vibration damper holder
between screws (1) and turn to the right
(clockwise) while depressing timing
(b) Disengage timing pin (2).
(c) Matchmark vibration damper (3) and
timing cover (4).
Hold adjoining (camshaft) gear while
measuring backlash. This is to prevent
(1) Measure injection pump gear (1) backlash at
position A. Normal measurement is 0.003 to
0.013 in. (0.08 - 0.33 mm). If measurement is
above or below normal, replace gear.