Front Gear Cover Screw Lightening Sequence - Isuzu C-240PW-28 Technical Manual

b. Inspect crankshaft pulley (5) for cracks and wear.
c. Inspect front gear cover (9) for cracks or other physical damage.
3-25.3. Installation.
Install new crankshaft front oil seal (12, FIGURE 3-50) in front gear cover (9) using oil seal installer
a.
(5-6522-9613-0)
b. Install two new preformed packings (11) in front gear cover.
c. Install dial pointer (6).
d. Insert new preformed packing (10) firmly into groove on front gear cover.
e. Position front gear cover (9) on engine block and secure with thirteen screws (8). Tighten each bolt to 168
ftlbs (19.9 Nm) in the sequence shown in FIGURE 3-51.
f. Install two screws (7).
Install crankshaft pulley (5, FIGURE 3-50) on crankshaft, aligning mark on pulley with pointer and secure with
g.
bolt (4). Tighten bolt to 137 ft-Ibs (166.0 Nm).
Verify engine is at TDC by viewing "ZZ" mark on timing gear visible
through front cover access panel.
FIGURE 3-51. Front Gear Cover Screw lightening Sequence
NOTE
ARMY TM 9-2815-254-24
AIR FORCE TO 38G1-94-2
3-101