Air Inlet Heater Wiring Group Replacement for Certain C7 and C9 Industrial Engines

New 12V 242-7478 Air Inlet Heater Wiring Group for C9 Engines with Serial Number Prefix JSC, MBD, AND REH

Table 25
New Parts Required for Rework
Callout Quantity Part Number Description
7 1 398-0939 Magnetic Switch Gp
8 2 284-0761 Bolt M6 x 12mm
9 2 9X-8267 Washer
10 1 397-6080 Plate

 

Parts to be Removed from the Existing 242-7478 Heater Wiring Group

Table 26
Parts to Remove
Callout Quantity Part Number Description
1 2 208-9277 Bolt M6 x 20mm
2 1 283-1226 Bracket As
3
Retain for rework.
2 6V-6317 Bolt M10 x 20mm
4
Retain for rework.
2 3E-4353 Hard Washer M10 washer
5 1 209-5581 Magnetic Switch Gp
6
Retain for rework.
1 251-5894 Cable As

Wiring Group 242-7478 Rework 12V

Table 27
All Parts Required for Rework
Callout Quantity Part Number Description
3
This part retained from removal procedure.
2 6V-6317 Bolt M10 x 20mm
4
This part retained from removal procedure.
2 3E-4353 Hard Washer M10 washer
6
This part retained from removal procedure.
1 251-5894 Cable As
7 1 398-0939 Magnetic Switch Gp
8 2 284-0761 Bolt M6 x 12mm
9 2 9X-8267 Washer
10 1 397-6080 Plate
11 2 Power Terminals: Torque the nuts to
9 ± 1 N·m (80 ± 9 lb in)

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