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

New 12V 242-7250 Air Inlet Heater Wiring Group for C7 Engines with Serial Number Prefixes JTF and JRA

Table 4
New Parts Required for Rework
Callout Quantity Part Number Description
7 2 208-9287 Bolt M8 x 50 mm
8 3 267-4211 Spacer 15 mm
9 1 6V-3918 Bolt M8 x 50 mm
10 1 9M-1974 Hard Washer M8
11 1 231-1223 Cable As
12 1 398-0939 Magnetic Switch Gp
13 2 284-0761 Bolt
14 2 9X-8267 Washer
15 1 397-6079 Plate
17 1 3S-2093 Cable Strap

 

Parts to be Removed from the Existing 242-7250 Heater Wiring Group

Table 5
Parts to Remove
Callout Quantity Part Number Description
1 1 209-5581 Magnetic Switch Gp 12V
2 2 208-9277 Bolt M6 x 20mm
3 1 226-0903 Cable As
4 2 208-9283 Bolt M8 x 30mm
5 1 283-1224 Bracket As
6 1 208-9282 Bolt M8 x 25mm

New 242-7250 Air Inlet Heater Magnetic Switch Orientation

Wiring Group 242-7250 Rework 12V

Table 6
All Parts Required for Rework
Callout Quantity Part Number Description
7 2 208-9287 Bolt M8 x 50 mm
8 3 267-4211 Spacer 15 mm
9 1 6V-3918 Bolt M8 x 50 mm
10 1 9M-1974 Hard Washer M8
11 1 231-1223 Cable As
12 1 398-0939 Magnetic Switch Gp
13 2 284-0761 Bolt
14 2 9X-8267 Washer
15 1 397-6079 Plate
16 2 Power Terminals: Torque the nuts to
9 ± 1 N·m (80 ± 9 lb in)
17 1 3S-2093 Cable Strap

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