Page 386
REPAIR INSTRUCTIONS, PART 2
459
Figure 459 — Checking Insertion Depth Groove
If it has been determined that an H-ring is
not in alignment, the cylinder head must be
removed and the pair of H-rings must be
checked with the H-ring installation tool (tool
No. J 41683-A) to determine which H-ring is
misaligned.
It is mandatory that the H-ring alignment checking
tool be used to check H-ring alignment whenever
the camshaft is removed.
If it has been determined that an H-ring is not
properly aligned, the cylinder head(s) must be
removed and the H-ring installation tool (tool No.
J 41683-A) must be used to properly install the
new H-rings. Under no circumstances should the
H-ring alignment checking tool, or any other
method of installation, be used to install the
H-rings from the bottom of the engines.
H-Ring Dislodgement Check and
Alignment Verification
Requires Removal of Cylinder
Head(s)
If the H-ring dislodgement or alignment checks
performed previously reveal that an H-ring is
dislodged or out of alignment, the cylinder
head(s) must be removed, and the position of the
H-ring verified with the H-ring installation tool
(tool No. J 41683-A).
With the cylinder heads removed, insert the
H-ring installation leg of tool J 41683-A into the
push rod bore with the suspected dislodged
H-ring and the shorter alignment leg into an
adjacent push rod hole.
앫 If the tool seats on the cylinder block top
deck, the H-ring is properly aligned and not
dislodged upward.
앫 If the tool does not seat on the cylinder block
top deck, then the H-ring is dislodged
upward and/or is rotated out of alignment. If
this occurs, remove and replace the H-ring
as described in “H-Ring Replacement” on
page 195.
460
Figure 460 — Checking H-Ring Installation
5-111.bk Page 386 Monday, July 10, 2006 2:26 PM
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