2011/12/26 Caterpillar

Off-Highway Truck/Tractor:

793FSeries AC (S/N: EMD1-UP)

793F (S/N: SND1-UP; SSP1-UP)

795FSeries AC (S/N: ERM1-UP)

797F (S/N: LAJ1-UP)

Service Magazine SEPD1365, 05 December 2011, "Additional Wear Protection Is now Used for Cab Wiring Harness on Certain Off-Highway Trucks". Disregard this article, see the replacement article that follows.

Description of Change: Improvements have been made to secure and to protect the cab harness assembly. This improvement will reduce exposure of the wiring harness and eliminate wear resulting in increased service life.

Adaptable To:

Table 1

Required Parts List
Qty	Part Number	Description
As required	329-3734	Tape
As required	8L-8413	Cable Strap
As required	9X-6772	Cable Strap

Additional protection has been provided to 360-4089 Cab Harness As and 360-4090 Cab Harness As by wrapping the harness assemblies with 329-3734 Tape and 8L-8413 Cable Straps or 9X-6772 Cable Straps as needed.

For installation purposes, use a file or other suitable device to remove sharp metal edges that may damage the wiring harness. Use 329-3734 Tape to cover the edges that are in contact with the wiring harness. Secure harness as needed to limit vibration and relative motion of the harness.

This improvement is adaptable to the machines and effective in production with the machines that are listed in Table 2.

Table 2

Sales model	Adaptable Serial Numbers	Effective Serial Numbers
793F	S/N:SSP1-381	S/N:SSP382-UP
	S/N:SND1-106	S/N:SND107-UP
	S/N:EMD1-75	S/N:EMD76-UP
795F	S/N:ERM1-160	ERMS/N:161Up
797F	S/N:LAJ1-269	S/N:LAJ270-UP

Illustration 1	g02788338
Typical harness with protection and secured to cab to limit motion

Illustration 2	g02788380
Typical harness with protection as the harness goes around sharp edged