New High-Temperature Fasteners Are Used with the Exhaust Lines on C175 Off-Highway Truck Engines {1061, 7553}
- Off-Highway Truck:
- 793F (S/N: SND1-UP; SSP1-UP)
- 795FSeries AC (S/N: ERM1-UP)
- 797F (S/N: LAJ1-UP)
Description of Change: The new high-temperature fasteners are more durable in the heat of the exhaust lines than the previously used fasteners.
Adaptable To: The new fasteners and the previous fasteners are identified in Table 1 and in Illustration 1.
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Item     | New Fasteners     | Previous Fasteners     |
1     | 6V-7687 Locknut     | 6V-8149 Nut     |
2     | 369-2483 High Temperature Bolt     | 8T-0372 Bolt 6V-5696 Bolt     |
Rework Instructions
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Required Parts     | |
Part     | Qty     |
6V-8336 Bolts     | 8     |
369-2483 High Temperature Bolts     | 8     |
6V-7687 Locknuts     | 16     |
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Illustration 1 | g02771260 |
(1) 6V-7687 Locknuts (2) 369-2483 High Temperature Bolts |
- Remove the original 6V-8336 Bolts and 6V-8149 Nuts from the tops of the exhaust manifolds. Keep the washers for reuse. Discard the original bolts and nuts.
- Install new 6V-8336 Bolts along with the original washers and install the new 6V-7687 Locknuts (1) .
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