2009/06/08 Caterpillar

Wheel Tractor-Scraper:

631G (S/N: DFA1-UP)

637G (S/N: DFJ1-UP)

Service Magazine, SEPD0995, 08 JUNE 2009, "New Window Washer Tank Group is Available for Certain Wheel Tractor-Scrapers". Disregard this article. See the replacement article that follows.

Description of Change: A new window washer tank group is available for certain Wheel Tractor-Scrapers. The new window washer tank group will provide window washer pumps with increased service life. The new window washer tank group does not require priming.

Adaptable To: The new 329-7319 Window Washer Tank Gp is an improved service replacement of the 127-0821 Window Washer Tank As for the Wheel Tractor-Scrapers that are listed above. The 329-7319 Window Washer Tank Gp uses the 223-3383 Washer Pump As. The new 329-7319 Window Washer Tank Gp is adaptable to the following machines:

• 631G (S/N: DFA1-UP)

• 637G (S/N: DFJ1-UP)

Table 1

Required Parts
Qty	New Part Number	Description	Former Part Number
1	329-7319	Window Washer Tank Gp	127-0821 Window Washer Tank As

Table 2

Manufacturing Effectivity
Sales Model	Serial Number
631G	S/N:DFA00366-UP
637G	S/N:DFJ00413-UP