2005/11/28 Caterpillar

The Capacity For The Primary Fuel Filter Has Been Increased {1260}

Usage:

D5N AGG

Pipelayer: 561N (S/N: CPH1-UP)
Track-Type Tractor: D5N (S/N: AKD1-UP; AGG1-UP) D6N (S/N: ALH1-UP; AKM1-UP; ALR1-UP; ALY1-UP)

Description of Change: The capacity for the primary fuel filter has been increased. The primary fuel filter has an increased filtration capacity for an improved service life that is in line with the Maintenance Interval Schedule that is shown in the Operation And Maintenance Manual. If the machine is equipped with a mechanical primary pump assembly refer to Table 1. If the machine is equipped with an electrical primary pump assembly refer to Table 2 .

Adaptable To: The larger primary fuel filter is effective with the following machines:

Refer to Table 1 and Table 2.

CPH130-UP
AKD1702-UP
AGG2111-UP
ALR738-UP
ALY2155-UP
AKM1861-UP
ALH814-UP

The larger primary fuel filter is adaptable to the following prior machines with an alternative filter element which will use the existing base assembly:

Refer to Table 3 for the required parts in order to adapt previous machines.

CPH1-129
AKD1-1701
AGG1-2110
ALR1-737
ALY1-2154
AKM1-1860
ALH1-813

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Table 1
Machines that Are Equipped With An Mechanical Primary Pump Assembly
item	Qty	Description	Old Part Number	new Part Number
1	1	Base Assembly	128-8557	202-9871
2	1	Filter Element	146-6695	1R-0770
3	1	Bowl	146-6696	270-5320
4	1	215 mm Hose	5P-1442	5P-1908

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Table 2
Machines That Are Equipped With An Electrical Primary Pump Assembly
Item	Qty	Description	Old Part Number	New Part Number
1	1	Base Assembly	128-8557	217-8339
2	1	Filter Element	146-6695	1R-0770
3	1	Bowl	146-6696	270-5320
4 ⁽¹⁾	1	215 mm Hose	5P-1442	5P-1908
5 ⁽²⁾	1	Adapter Assembly	168-1969	168-1969

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^( 1 )	Do not replace hose (4) if the winch is installed.
^( 2 )	Remove adapter assembly (5 ) If the winch is installed.

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Table 3
Machines That Can Be Adapted
Item	Qty	Description	old Part Number	New Part Number
1	1	Filter Element	146-6695	1R-0769
2	1	Bowl	146-6696	270-5320
3 ⁽¹⁾	1	215 mm Hose	5P-1442	5P-1908
4 ⁽²⁾	1	Adapter Assembly	168-1969	168-1969