2004/10/01 A New Fuel Transfer Pump is Used {1256} Caterpillar

A New Fuel Transfer Pump is Used {1256}

2004/10/01 [SEBD9338]

2004/10/01 Reduced Oil Change Intervals {7542}

2004/10/01 New Ignition Transformers are Used {4476}

FUEL SYSTEM

PUMP GP-FUEL TRANSFER

2004/10/01 A New Fuel Transfer Pump is Used {1256}

AVSpare Products: All
3500B Engines
AVSpare Products:
3500 Family Generator Sets and Power Modules
3500 Family Pumpers
Engine: Commercial
3500 and 3500B Family All

Description of Change: A new fuel transfer pump is being used in 3500 Diesel Engines. A portion of the new pump housing is cast in a single continuous section. The former pump used separate sections. Refer to Illustrations 1 and 2.

The mounting bolts for the new pump have changed. Refer to Tables 1 and 2.

Adaptable To: Three part kits are available for the new fuel transfer pump. The 255-8691 Seal Kit is a service kit for the seals and for the gasket. The 255-8692 Repair Kit is a service kit for the gear and for the shaft. The 256-8766 Repair Kit is a service kit for the bypass valve. Refer to Table 2.

The new 255-8113 Fuel Transfer Pump Gp is a direct replacement for the former 225-4260 Fuel Transfer Pump Gp. The new pump is adaptable to all 3500 Diesel Engines. Table 3 lists the serial number effectivity for 3500 Diesel Engines.

Show/hide table




Illustration 1	g01106868
Former fuel transfer pump (1) 5L-1761 Bolt (2) 3H-3243 Bolt (3) 225-4260 Fuel Transfer Pump Gp

Show/hide table




Illustration 2	g01106869
New fuel transfer pump (1) 5L-1761 Bolt (4) 255-8113 Fuel Transfer Pump Gp

Show/hide table

Table 1
Former Pump
Part Number	Quantity
3H-3243 Bolt	2
5L-1761 Bolt	2

Show/hide table

Table 2
New Pump
Part Number	Quantity
5L-1761 Bolt	4
255-8691 Seal Kit	1
255-8692 Repair Kit	1
256-8766 Repair Kit	1

Show/hide table

Table 3
Serial Number Effectivity
(S/N: 1FZ02498-UP)	(S/N: 1GZ02126-UP)	(S/N: 1HZ02916-UP)	(S/N: 1JZ00785-UP)
(S/N: 1KZ01979-UP)	(S/N: 1LZ00775-UP)	(S/N: 3KD00233-UP)	(S/N: CTA00155-UP)
(S/N: 95Y01238-UP)	(S/N: 4TN00851-UP)	(S/N: 3ZW00611-UP)	(S/N: S2E00169-UP)
(S/N: 96Y02085-UP)	(S/N: 8KN00588-UP)	(S/N: 3DW00186-UP)	(S/N: S2F00104-UP)
(S/N: 97Y00749-UP)	(S/N: 2BM00188-UP)	(S/N: 1PW00443-UP)	(S/N: S2H00119-UP)
(S/N: 49Y01063-UP)	(S/N: 3DM00494-UP)	(S/N: 2FW00348-UP)	(S/N: S2J00141-UP)
(S/N: 50Y01845-UP)	(S/N: 7HM00270-UP)	(S/N: 1TW00362-UP)	(S/N: S2K00108-UP)
(S/N: 51Y00868-UP)	(S/N: 8EM00534-UP)	(S/N: 2GW00428-UP)	(S/N: S2L00205-UP)
(S/N: 27Z00875-UP)	(S/N: 8CN00212-UP)	(S/N: 3CW00258-UP)	(S/N: S2M00110-UP)
(S/N: 29Z01442-UP)	(S/N: 9AN00378-UP)	(S/N: 2HW00286-UP)	(S/N: S2N00107-UP)
(S/N: 23Z07954-UP)	(S/N: 6PN00895-UP)	(S/N: 4AW00918-UP)	(S/N: S2P00102-UP)
(S/N: 24Z10169-UP)	(S/N: 8RM00762-UP)	(S/N: 1NW00145-UP)	(S/N: S2R00112-UP)
(S/N: 25Z07106-UP)	(S/N: 7RN01960-UP)	(S/N: 8DF00192-UP)	(S/N: S2S00144-UP)
(S/N: 68Z01271-UP)	(S/N: 4GM00743-UP)	(S/N: 9WF00118-UP)	(S/N: S2W00102-UP)
(S/N: 69Z00897-UP)	(S/N: 6WN00803-UP)	(S/N: BCK00290-UP)	(S/N: S2X00182-UP)
(S/N: 70Z01080-UP)	(S/N: 6HN01720-UP)	(S/N: BPX00103-UP)	(S/N: S2Y00106-UP)
(S/N: 65Z01159-UP)	(S/N: 2JW00415-UP)	(S/N: BRC00160-UP)	(S/N: 3HM00015-UP)
(S/N: 66Z00955-UP)	(S/N: 2AF00404-UP)	(S/N: CAN00114-UP)	(S/N: 9WN00016-UP)
(S/N: 67Z02107-UP)	(S/N: 3LS00228-UP)	(S/N: CBB00247-UP)	(S/N: 4DR00008-UP)
(S/N: 71Z00406-UP)	(S/N: 3MS00233-UP)	(S/N: CBN00343-UP)	(S/N: 3JS00009-UP)
(S/N: 72Z00567-UP)	(S/N: 3NS00246-UP)	(S/N: CDE00313-UP)	(S/N: 2TS00008-UP)
(S/N: 73Z00975-UP)	(S/N: 5AW00138-UP)	(S/N: BRN00197-UP)	(S/N: AAG00006-UP)
(S/N: 2WK00087-UP)	(S/N: 2EZ00365-UP)	(S/N: PWG00129-UP)	(S/N: BAG00025-UP)
(S/N: 7KM00077-UP)	(S/N: 4BW00587-UP)	(S/N: S2B00119-UP)	(S/N: FFG00028-UP)
(S/N: 7SM01007-UP)	(S/N: 5PS00331-UP)	(S/N: S2D00115-UP)	(S/N: LPD00013-UP)
(S/N: CTB00200-UP)	(S/N: CTC00258-UP)	(S/N: CTD00217-UP)	(S/N: CTE00375-UP)
(S/N: CTF00266-UP)	(S/N: CTG00326-UP)	(S/N: CTH00318-UP)	(S/N: CTJ00200-UP)