PRODUCT IMPROVEMENT PROGRAM FOR REWORKING THE STEERING LINES GROUP AND A/C LINES GROUP ON CERTAIN 794 AC OFF-HIGHWAY TRUCK Caterpillar

PRODUCT IMPROVEMENT PROGRAM FOR REWORKING THE STEERING LINES GROUP AND A/C LINES GROUP ON CERTAIN 794 AC OFF-HIGHWAY TRUCK

Usage:

TEBE6189-00

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03May2018

A-191

D-226

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Priority	PRODUCT IMPROVEMENT PROGRAM FOR REWORKING THE STEERING LINES GROUP AND A/C LINES GROUP ON CERTAIN 794 AC OFF-HIGHWAY TRUCK
4304 7755		PI32895

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NOTE:

Caterpillar’s obligations under this Service Letter are subject to, and shall not apply in contravention of, the laws, rules, regulations, directives, ordinances, orders, or statutes of the United States, or of any other applicable jurisdiction, without recourse or liability with respect to Caterpillar.

NOTE:

This Program must be administered as soon as possible. When reporting the repair, use "PI32895" as the Part Number and "7751" as the Group Number, "56" as the Warranty Claim Description Code and "T" as the SIMS Description code. Exception: If the repair is done after failure, use "PI32895" as the Part Number, "7751" as the Group Number, "96" as the Warranty Claim Description Code, and "Z" as the SIMS Description Code.

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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.

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COMPLETION DATE	TERMINATION DATE
30Nov2018	31May2019

PROBLEM

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The hose assembly routings in the steering lines group and A/C lines group need to be reworked on certain 794 AC Off-Highway Trucks. The existing hose assemblies can fail.

AFFECTED PRODUCT

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Model	Identification Number
*****Group 1*****
794 AC	MT500102-00107

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*****Group 2*****
794 AC	MT500108-00111

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*****Group 3*****
794 AC	MT500100-00101

PARTS NEEDED

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Qty	Part Number	Description
*****Group 1*****
1	2P1279	LOCKNUT-BULKHEAD
2	2P1293	LOCKNUT-BULKHEAD
1	2V1771	GROMMET
4	3S8664	CLIP-LOOP
1	4I7651	TEE-O-RING PORT
2	5S7382	BOLT-HEX HEAD
2	6V8639	ADAPTER-STR
1	6V8780	ADAPTER-TEE
1	6V8993	ADAPTER-STR
1	6V8995	ADAPTER-STR
2	6V8996	ADAPTER-STR
2	6V8997	ADAPTER-STR
1	6V9169	NUT-LOCK
2	6V9170	NUT-BULKHEAD
1	6V9874	ADAPTER-STR
17	7X0290	BOLT
6	7X0300	BOLT
2	7X0304	BOLT
2	7X0632	WASHER-HARD
11	7X7729	WASHER-HARD
1	8T1887	CLIP
1	8T1888	CLIP
1	8T1889	CLIP-2 PIECE
1	8T1890	CLIP-2 PIECE
47	8T4121	WASHER-HARD
11	8T4136	BOLT-HEX HEAD
9	8T4182	BOLT-HEX HEAD
27	8T4896	WASHER-HARD
37	8T6466	BOLT-HEX HEAD
2	9X6458	WASHER-HARD
1	1411220	CHANNEL-BULK
3	1513154	BLOCK
1	1984777	WASHER-HARD
47	2067013	NUT-RAIL
1	2147566	SEAL-O-RING-STOR
1	2213525	GROMMET
6	2287088	SEAL-O-RING-ORFS
7	2287090	SEAL-O-RING-ORFS
4	2287091	SEAL-O-RING-ORFS
8	2287092	SEAL-O-RING-ORFS
4	2385080	SEAL-O-RING-STOR
1	3026553	SPACER
1	3039449	STUD-BOLT
1	3445675	NUT-HEX
27	4345618	NUT-RAIL
2	4345654	NUT
13	4350692	PLATE-COVER
2	4356712	PLATE-LOCKING
32	4357441	PLATE-COVER
4	4386500	BOLT-STACKING
1	4656336	PLATE
2	4689671	CLAMP-HALF
18	4689700	CLAMP-HALF
34	5175448	CLAMP-HALF
8	5175505	CLAMP-HALF
30	5175530	CLAMP-HALF
1	5244727	PLATE AS
1	5245549	COVER AS
1	5266972	HOSE AS
1	5266973	HOSE AS
1	5277380	HOSE AS
1	5277381	HOSE AS
1	5277382	HOSE AS
1	5277383	HOSE AS
1	5283874	HOSE AS
1	5283875	HOSE AS
1	5283876	HOSE AS
1	5283877	HOSE AS
1	5283878	HOSE AS
1	5283879	HOSE AS
1	5298582	BRACKET AS
1	5303087	RAIL-MOUNTING
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 40% of dealership population. This is an initial order recommendation only, and the ultimate responsibility for ordering the total number of parts needed to satisfy the program lies with the dealer.
*****Group 2*****
1	2P1279	LOCKNUT-BULKHEAD
2	2P1293	LOCKNUT-BULKHEAD
1	2V1771	GROMMET
4	3S8664	CLIP-LOOP
1	4I7651	TEE-O-RING PORT
2	5S7382	BOLT-HEX HEAD
2	6V8639	ADAPTER-STR
1	6V8780	ADAPTER-TEE
1	6V8993	ADAPTER-STR
1	6V8995	ADAPTER-STR
2	6V8996	ADAPTER-STR
2	6V8997	ADAPTER-STR
1	6V9169	NUT-LOCK
2	6V9170	NUT-BULKHEAD
1	6V9874	ADAPTER-STR
17	7X0290	BOLT
6	7X0300	BOLT
2	7X0304	BOLT
2	7X0632	WASHER-HARD
11	7X7729	WASHER-HARD
1	8T1887	CLIP
1	8T1888	CLIP
1	8T1889	CLIP-2 PIECE
1	8T1890	CLIP-2 PIECE
47	8T4121	WASHER-HARD
11	8T4136	BOLT-HEX HEAD
9	8T4182	BOLT-HEX HEAD
27	8T4896	WASHER-HARD
37	8T6466	BOLT-HEX HEAD
2	9X6458	WASHER-HARD
1	1411220	CHANNEL-BULK
3	1513154	BLOCK
1	1984777	WASHER-HARD
47	2067013	NUT-RAIL
1	2147566	SEAL-O-RING-STOR
1	2213525	GROMMET
6	2287088	SEAL-O-RING-ORFS
7	2287090	SEAL-O-RING-ORFS
4	2287091	SEAL-O-RING-ORFS
8	2287092	SEAL-O-RING-ORFS
4	2385080	SEAL-O-RING-STOR
1	3026553	SPACER
1	3039449	STUD-BOLT
1	3445675	NUT-HEX
27	4345618	NUT-RAIL
2	4345654	NUT
13	4350692	PLATE-COVER
2	4356712	PLATE-LOCKING
32	4357441	PLATE-COVER
4	4386500	BOLT-STACKING
1	4656336	PLATE
2	4689671	CLAMP-HALF
18	4689700	CLAMP-HALF
34	5175448	CLAMP-HALF
8	5175505	CLAMP-HALF
30	5175530	CLAMP-HALF
1	5244727	PLATE AS
1	5245549	COVER AS
1	5266972	HOSE AS
1	5266973	HOSE AS
1	5277380	HOSE AS
1	5277381	HOSE AS
1	5277382	HOSE AS
1	5277383	HOSE AS
1	5283874	HOSE AS
1	5283875	HOSE AS
1	5283876	HOSE AS
1	5283877	HOSE AS
1	5283878	HOSE AS
1	5283879	HOSE AS
1	5298582	BRACKET AS
1	5303087	RAIL-MOUNTING
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 40% of dealership population. This is an initial order recommendation only, and the ultimate responsibility for ordering the total number of parts needed to satisfy the program lies with the dealer.
*****Group 3*****
1	2V1771	GROMMET
4	3S8664	CLIP-LOOP
2	5S7382	BOLT-HEX HEAD
2	7X0632	WASHER-HARD
6	7X7729	WASHER-HARD
1	8T1887	CLIP
1	8T1888	CLIP
22	8T4121	WASHER-HARD
6	8T4136	BOLT-HEX HEAD
8	8T4182	BOLT-HEX HEAD
13	8T6466	BOLT-HEX HEAD
2	9X6458	WASHER-HARD
1	1411220	CHANNEL-BULK
3	1513154	BLOCK
1	1984777	WASHER-HARD
22	2067013	NUT-RAIL
1	3039449	STUD-BOLT
1	3445675	NUT-HEX
2	4345654	NUT
4	4350692	PLATE-COVER
2	4356712	PLATE-LOCKING
7	4357441	PLATE-COVER
4	4386500	BOLT-STACKING
2	4689671	CLAMP-HALF
12	5175448	CLAMP-HALF
8	5175505	CLAMP-HALF
4	5175530	CLAMP-HALF
1	5298582	BRACKET AS
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 40% of dealership population. This is an initial order recommendation only, and the ultimate responsibility for ordering the total number of parts needed to satisfy the program lies with the dealer.

ACTION REQUIRED

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Refer to the Service Manual if/as necessary and see Special Instruction M0083847 "Field Procedure to Improve The Steering Lines and A/C Lines On Certain 794 AC Off-Highway Trucks" for the rework procedure.

Affected trucks in Group 1 and Group 2 need to apply entire Special Instruction M0083847 "Field Procedure to Improve The Steering Lines and A/C Lines On Certain 794 AC Off-Highway Trucks".

Affected trucks in Group 3 only need to apply a part of Special Instruction M0083847 "Field Procedure to Improve The Steering Lines and A/C Lines On Certain 794 AC Off-Highway Trucks". Only apply steps required to install 151-3154 Blocks, 529-8582 Bracket As and A/C lines routing improvements.

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OWNER NOTIFICATION

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Owners in the following countries will receive the attached Owner Notification:
US
Canada

SERVICE CLAIM ALLOWANCES

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Caterpillar		Dealer Suggested		Customer Suggested
Parts %	Labor Hrs%	Parts %	Labor Hrs%	Parts %	Labor Hrs%
*****Group 1*****
100%	100%	0%	0%	0%	0%

NOTE: This is a 30.0-hour job for Group 1
This is a 30.0 hour job, including time required for disassembly, welding, reassembly and fabrication of hose assemblies.

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Caterpillar		Dealer Suggested		Customer Suggested
Parts %	Labor Hrs%	Parts %	Labor Hrs%	Parts %	Labor Hrs%
*****Group 2*****
100%	100%	0%	0%	0%	0%

NOTE: This is a 30.0-hour job for Group 2
This is a 30.0 hour job, including time required for disassembly, welding, reassembly and fabrication of hose assemblies.

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Caterpillar		Dealer Suggested		Customer Suggested
Parts %	Labor Hrs%	Parts %	Labor Hrs%	Parts %	Labor Hrs%
*****Group 3*****
100%	100%	0%	0%	0%	0%

NOTE: This is a 16.0-hour job for Group 3
This is a 16.0 hour job, including time required for disassembly, welding and reassembly.

PARTS DISPOSITION

Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.

MAKE EVERY EFFORT TO COMPLETE THIS PROGRAM AS SOON AS POSSIBLE.

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EXAMPLE COPY OF OWNER NOTIFICATION

XYZ Corporation
3240 Arrow Drive
Anywhere, YZ 99999

PRIORITY - PRODUCT IMPROVEMENT PROGRAM FOR REWORKING THE STEERING LINES GROUP ON CERTAIN 794 AC OFF-HIGHWAY TRUCK

MODELS INVOLVED - 794 AC

Dear Cat Product Owner:

The steering lines hose assemblies need to be reworked on the products listed below. The existing hose assemblies can fail. You will not be charged for the service performed.

Contact your local Cat dealer immediately to schedule this service. The dealer will advise you of the time required to complete this service.

If you are no longer the owner of this product(s), please contact your local Cat dealer so that our records can be updated. Please refer the dealer to their Service Letter dated 03May2018 when scheduling this service.

We regret the inconvenience this may cause you, and urge you to have this service performed as soon as possible to prevent unscheduled downtime.

Caterpillar Inc.

Identification #(s)

Attached to 03May2018 Service Letter