2013/03/05 Caterpillar

Off-Highway Truck/Tractor:

797F (S/N: LAJ1-UP; WSP1-UP)

Service Magazine SEPD1512, 15 October 2012, "A New Brake Accumulator Group is Now Used on the 797F Off-Highway Truck". Disregard this article. Refer to the article that follows.

Description of Change: A new brake accumulator group is available for 797F and 797F XQ Off-Highway Truck.

Adaptable To:

Illustration 1	g03287356
(1) Brake accumulator group

The former and the new parts are listed in Table 1.

Table 1

Item	Qty	New Part Number	Description	Former Part Number
1	1	377-4739	Brake Accumulator Gp	286-0796
2	1	377-4740	Brake Accumulator Gp	286-0798

The parts listed in Table 1 are adaptable to the machines LAJ1-342 and WSP1-114.

The parts listed in Table 1 are effective in production with the machines LAJ343-UP and WSP115-UP.

The new seal kit for the new brake accumulator groups is 170-0494 Seal Kit .

Note: The new 170-0494 Seal Kit is not a replacement for the old 311-2288 Seal Kit. The 311-2288 Seal Kit for the 286-0798 Brake Accumulator Gp has been discontinued. The 286-0798 Brake Accumulator Gp can no longer be resealed and must be replaced if the accumulator is leaking or not holding a charge.