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Mack MP7 - Crankshaft Front Seal Installation

Mack MP7
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REPAIR INSTRUCTIONS, PART 1
Page 207
3. Using a torque wrench, tighten the screws in
sequence according to specification.
269
Figure 269 — Front Cover Torque Sequence
Crankshaft Front Seal Installation
[211 JB]
PROCEDURE
Installation depth of the crankshaft front seal,
relative to the crankshaft front stem, is controlled
by the installation tool adapter. Be sure to use the
correct adapter.
1. Assemble the handle, 9992000, in the front
main seal installer tool, 88800021. Remove
the protective sleeve from the new lip-type
seal and place the seal on the installer tool
with the flat side of the seal toward the tool.
2. Position the tool over the hub and into the
seal opening.
3. Carefully drive the seal into the opening until
the tool bottoms.
270
Figure 270 — Crankshaft Front Seal Installation
4. Remove the tool and check the seal to be
sure it has been evenly installed.

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