Incorrect Seal Used to Repair Leaking Pilot Valves On Integrated Toolcarriers, Track Type Tractors, Wheel Dozers, and Wheel Loaders Caterpillar


Incorrect Seal Used to Repair Leaking Pilot Valves On Integrated Toolcarriers, Track Type Tractors, Wheel Dozers, and Wheel Loaders

Usage:

Incorrect Seal Used to Repair Leaking Pilot Valves On Integrated Toolcarriers, Track Type Tractors, Wheel Dozers, and Wheel Loaders

CONFIDENTAL TIBU4669

TECHNICAL INFORMATION BULLETIN

NOVEMBER 4, 2005

Integrated Toolcarrier

 

 

 

 

 

 

 

 

 

 

 

 

Track Type Tractor

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Wheel Dozers

Wheel Loaders

IT14G (FWL208-Up,

8ZM124-19040,

KZN307-Up,

1WN97-22155)

IT28G (WAC275-Up,

8CR137-66984,

9AR137-1175,

DBT345-1676)

IT38G Series II

(CSX304-Up)

IT38G (7BS318-Up)

IT62G Series II

(AYA109-Up)

IT62G (AKP307-573)

D3G (CKA333-338, CLB191-355,

CFC99-1014, CFF230-728,

JMH450-Up, BYR400-UP)

D4G (FDC211-520, CFN190-1071

D5G (WGB550-Up, CLF401-403,

RKG500-UP, FDH500-1862,

CLW98-107, FDW277-1136)

D5N (AKD243-Up, AGG107-Up)

D6N (ALH188-UP, CBJ188-Up,

CCK312-Up, AKM312-UP,

ALR207-Up, ALY259-Up,

D6R Series II

(BNC94-Up, CAD99-Up,

ADE95-Up, BLE97-UP,

DAE95-Up, ACJ93-Up,

BMJ99-Up, BRJ97-Up

AEM97-Up, AFM98-Up,

AGM100-Up, BPM98-Up,

AEP-95-Up, BLT98-Up,

FDT90-UP, AAX91-Up,

BMY90-Up)

D7R Series II

(BRP513-Up, BNX513-Up)

D7R (AEC513-UP, AFG513-Up

ABJ513-Up, AGN513-Up

2EN342-1296,

3DN218-409,

5MR342-Up, 6ER218-Up,

ACS513-Up, ADW513-Up)

D8R Series II

(AKA324-Up,

6YZ324-21117)

844H (BTW153-UP)

854G (AMP274-354, A4W199-UP)

914G (PDF169-UP, 9WM87-2974)

924G (DDA375-Up, RBB175-Up,

WMB295-Up, AAN229-1222,

9SW502-1242,

3PZ502-1552)

924GZ (RTA150-Up, AAB224-479,

6YW224-946, WGX285-UP,

(DFZ350-563,

3DZ224-1048)

928G (DJD323-UP, WLG265-Up,

6XR128-3858,

7SR128-2267)

930G (TWR233-Up, TFW150-Up)

938G Series II

(RTB273-UP,CRD273-1474,

PHN273-Up, B9Y110-362)

950G Series II

(BAA111-UP, ALY111-Up,

AXX111-Up)

950G (2JS249-UP, 3JW180-2289,

5FW153-2439, 5MW180-Up)

8WJ180-542)

962G Series II

(BAB213-UP, BAD213-Up,

AXY214-Up)

962G (BDP151-206, 4PW200-602,

6EW200-525, 6HW200-Up,

7BW200-891)

966G Series II

(AXJ274-Up, ANZ1-Up)

966G (3PW235-1389,

3SW235-1689,

8XW235-973,

972G Series II

(AXN200-UP, AWP166-UP)

972G (4WW265-856,

6AW265-545)

Component Codes 5059-CG

SUBJECT: Incorrect Seal Used to Repair Leaking Pilot Valves On Integrated Toolcarriers, Track Type Tractors, Wheel Dozers and Wheel Loaders.

PROBLEM:

The cartridge assembly that is used in the pilot valve may leak. A change was made to the cartridge assembly that is used in the pilot valve. The former seal 7I-6601 was replaced by the

new seal 259-0509. There were other changes that were made to the pilot valve. Those changes were made to facilitate the assembling of the cartridge assembly when using the new seals. The result is that the new seal cannot be used for repairing leaking pilot valves where the 7I-6601 seal was originally used.

SOLUTION:

Do not attempt to install the 259-0509 seal onto one of the cartridge assemblies that are listed in table 1. To implement a permanent solution for this problem, serviceability will be eliminated for all of the internal parts of the cartridge assembly. If there are any 259-0509 seals in your inventory, we recommend that these parts be removed and discarded. Machines that have been repaired using the 259-0509 seal, we recommend that the customers is contacted to determine if the pilot valve is leaking and that the complete cartridge assembly be replaced when leaking occurs.

Typical Example of Cartridge Assembly and Seal Location

137-0266

163-3107

163-3111

170-8513

194-5032

202-2558

212-4962

145-8710

163-3108

168-6503

172-0222

194-5033

203-3312

212-4963

160-0390

163-3109

168-6504

172-0223

202-1233

204-0311

243-0665

Table 1

 

 

COPYRIGHT 2005 CATERPILLAR ALL RIGHTS RESERVED

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