Mack E7 Service Manual page 206

5-101.bk Page 48 Friday, March 17, 2006 11:05 AM
With the new isolating oil pan gasket
arrangement, the mounting holes tapped into the
cylinder block, timing gear cover, and flywheel
housing are now 8 mm rather than 10 mm. The
illustration below, Figure 6-55, shows the newer
production arrangement.
A
B
B
B
B
A
B
Page 6-48
200 ENGINE ASSEMBLY
The fiber oil pan gasket can be used on engines
with either 8-mm or 10-mm tapped mounting
holes. The isolating oil pan gasket may only be
used on cylinder blocks with 8-mm tapped holes.
B
A
ASSEMBLY A (BOLT)
SHOULDER BOLT – 421GC289M (20 BOLTS)
A
OIL PAN ISOLATOR – 41GC212 (20 ISOLATORS)
ASSEMBLY B (STUD)
SHOULDER STUD – 616GC239M (10 STUDS)
STUD NUT – 189AM1 (10 NUTS)
B
OIL PAN ISOLATOR – 41GC212 (10 ISOLATORS)
A
A
B
Figure 6-55 — Oil Pan Stud Identification
A
A
A
A B
A
B
B
B
B
A
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