A Procedure to Install an Improved Clean Fuel Module Relay on Certain 793F, and 797F Large Off-Highway Trucks is Available {108U, 1408, 1417, 1422, 4493} Caterpillar

Off-Highway Truck/Tractor

793F (S/N: SND132-133; SSP1072-1170; SXP101-103; RBT172-186)

797F (S/N: LAJ559-621)

Reference: Special Instruction, M0077186, "Procedure for Updating the Clean Fuel Module Relay on Certain 793F, 795F, and 797F Large Off-Highway Trucks"

Description Of Change: A new clean fuel module (CFM) relay assembly is now used on the machines listed above. The new relay assembly effectively handles the inrush current required to start the CFM pump.

Adaptable To:

Illustration 1	g06167466
Rear view of cab

New CFM relay assembly (1) is adaptable to the machines within the listed serial numbers, and is effective with all the machines after the listed serial numbers.

Refer to Table 1 for the list of parts required to install new CFM relay assembly (1).

Table 1

Qty	Part Number	Description
4	9X-3401	Connector Pin
6	3S-2093	Cable Strap
1	3E-5239	Relay As
1	521-4441	Wiring Harness

For the complete procedure, parts, and tools require to install CFM relay assembly (1), refer to most recent version of Special Instruction, M0077186, "Procedure for Updating the Clean Fuel Module Relay on Certain 793F, 795F, and 797F Large Off-Highway Trucks".

The special instruction can be found on Caterpillar Service Information System (SIS) and through the normal literature system.