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Mack MP7 - Page 141

Mack MP7
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Page 130
REPAIR INSTRUCTIONS, PART 1
1. Remove the cooling duct cover.
2. Remove the seal from the perimeter groove
in the cover. Discard the seal; it should not
be reused.
148
Figure 148 — Removing Duct Cover Seal
3. Remove and discard the port seals.
4. Remove and discard the duct
cover-to-coolant pump housing seal.
149
Figure 149 — Cooling Duct Cover-to-Coolant Pump
Housing Seal
5. Remove the 90° elbow fitting from the
cooling duct cover.
6. Remove the coolant heater from the cooling
duct cover.
OIL COOLER REMOVAL
1. Place the cooling duct cover assembly on a
clean work surface. Remove the oil cooler
fasteners and remove the cooler from the
duct cover.
150
Figure 150 — Removing Oil Cooler
2. Remove the oil cooler sealing rings from the
cooling duct cover. Discard the sealing rings.

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