PRODUCT SUPPORT PROGRAM FOR REPLACING STEERING SHAFTS ON CERTAIN OFF HIGHWAY TRUCKS Caterpillar

PRODUCT SUPPORT PROGRAM FOR REPLACING STEERING SHAFTS ON CERTAIN OFF HIGHWAY TRUCKS

Usage:

SEBE9173

May 9, 2005
U-147
A-110
D-121
O-124

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*Before or* *after failure* *Parts stock action needed*	PRODUCT SUPPORT PROGRAM FOR REPLACING STEERING SHAFTS ON CERTAIN OFF HIGHWAY TRUCKS
4310		PS41650

NOTE: This Program can be administered either before or after failure. In either case the decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS41650" as the Part number and "7755" as the Group Number. If administered before failure, use "56" as the Warranty Claim Description Code and use "T" as the SIMS Description Code. If administered after failure, use "96" as the Warranty Claim Description Code and use "Z" as the SIMS Description Code.

NOTE: Although this Program is to be administered as described above on the Affected Product, parts should be removed from parts stock as soon as possible.

NOTE: The information supplied in this service letter may not be valid after the termination date of this program. Do not perform the work outlined in this Service Letter after the termination date without first contacting your Caterpillar product analyst.

TERMINATION DATE

May 31, 2006

PROBLEM

The plating on certain off highway truck steering shafts can peel off, causing the steering to become stiff.

AFFECTED PRODUCT

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Model	Identification Number
793B	1HL1-UP
789B	7EK1-UP
785	8GB1-UP
793	3SJ1-UP
785B	6HK1-UP
793C	4AR1-UP
776B	6JC1-UP
784B	5RK1-UP
772B	64W1-UP
768C	02X1-UP
776	14H1-UP
776C	2TK1-UP
SS-250B	5GR1-UP
769D	5TR1-UP
775B	7XJ1-UP
773E	BDA1-383
777	84A1-UP
775E	BEC1-263
769D	BBB1-278
777D	2YW1-UP
773B	63W1-UP
777D	3PR1-UP
771D	BCA1-215
771C	3BJ1-UP
777C	4XJ1-UP
777B	3NF1-UP
769C	01X1-UP
775D	8AS1-UP 6KR1-UP
769D	5SS1-UP
773D	7ER1-UP
771D	6JR1-UP
777B	4YC1-UP
771D	6YS1-UP
773D	7CS1-UP
AE40 II	BLW1-181
AD45	BKZ1-181
AE40 II	1ZZ1-UP
AD40 II	1YZ1-UP
73D	1GW1-UP
69D	9SS1-UP

PARTS NEEDED

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Qty	Part Number	Description	Old Part Number
1	2354183	SHAFT AS	1355386
1	2413818	COLLAR-RETAINER	N/A
1	9X2406	DOWEL	N/A
1	8B7179	SETSCREW	N/A
	9S3263	THREAD LOCK	N/A
OR
1	2354184	SHAFT AS	1853628
1	2544599	GROMMET	N/A
1	9X2406	DOWEL	N/A
1	2413818	COLLAR-RETAINER	N/A
1	8B7179	SETSCREW	N/A
	9S3263	THREAD LOCK	N/A
OR
1	2354185	SHAFT AS	1853629
1	2544599	GROMMET	N/A
1	9X2406	DOWEL	N/A
1	2413818	COLLAR-RETAINER	N/A
1	8B7179	SETSCREW	N/A
	9S3263	THREAD LOCK	N/A

ACTION REQUIRED

***** Parts Stock *****

Remove all 1355386, 1853628, and 1853629 SHAFT ASSEMBLIES from parts stock.

***** Affected Product *****

Remove the old steering shaft.
Install the 2544599 grommet onto the steering shaft between the U Joints (1853628 and 1853629 replacements only).
Install the shaft assembly through the cab wall and attach the grommet to the wall.
Slide the 2413818 Collar over the end of the steering shaft.
Connect the new steering shaft (2354183, 2354184, or 2354185) to the pump using the 9X2406 Dowel.
Position the 2413818 Collar over the assembled joint and secure with the 8B7179 Setscrew. Apply the 9S3263 Thread Lock to the setscrew threads.

NOTE: The 2413818 Collar-Retainer must be used to attach the shaft to the steering pump. When replacing one of the Old Part Numbers listed in the table above do not reuse the 1355295 Tube. Failure to use the 2413818 Collar may result in the steering shaft becoming detached from the pump.

SERVICE CLAIM ALLOWANCES

***** Parts Stock *****

Submit one claim for all 1355386, 1853628, and 1853629 SHAFT ASSEMBLIES removed from parts stock.

***** Affected Product *****

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Product smu/age whichever comes first	Caterpillar		Dealer Suggested		Customer Suggested
Product smu/age whichever comes first	Parts	Labor Hrs	Parts	Labor Hrs	Parts	Labor Hrs
0-5000	50%	0	50%	0	0	0
NOTE: The hour range indicated in the chart is for part hours and not machine hours.