PRODUCT SUPPORT PROGRAM FOR INSTALLING AN EXTERNAL SEAL KIT BETWEEN THE ENGINE OIL PAN AND CRANK CASE ON CERTAIN 303C CR AND 303.5C CR EXCAVATORS Caterpillar

PRODUCT SUPPORT PROGRAM FOR INSTALLING AN EXTERNAL SEAL KIT BETWEEN THE ENGINE OIL PAN AND CRANK CASE ON CERTAIN 303C CR AND 303.5C CR EXCAVATORS

Usage:

REBE6325-01

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20Dec2010

(Revised 14Jan2011)

U-509

A-418

D-447

O-446

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*After Failure Only*	PRODUCT SUPPORT PROGRAM FOR INSTALLING AN EXTERNAL SEAL KIT BETWEEN THE ENGINE OIL PAN AND CRANK CASE ON CERTAIN 303C CR AND 303.5C CR EXCAVATORS
1302		PS51948

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NOTE:

This Program can only be administered after a failure occurs. The decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS51948" as the Part Number and "7755" as the Group Number. Use "96" as the Warranty Claim Description Code and use "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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NOTE:	This Revised Service Letter replaces the 20Dec2010 Service Letter. Changes have been made to Rework Procedure and the Service Claim Allowance table.

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TERMINATION DATE

31Dec2012

PROBLEM

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The existing gasket material can fail on certain 303C CR and 303.5C CR Excavators. If the gasket material fails, leakage can occur between the oil pan and the crank case around the main bearing.

AFFECTED PRODUCT

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Model	Identification Number
303.5C CR	DMY00133-01576
303C CR	BXT00002, 117-2243

PARTS NEEDED

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Qty	Part Number	Description
1	3623742	KIT-OIL PAN
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 1% 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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Install an external seal kit to the front and rear of the engine oil pan. Refer to the attached Rework Procedure.

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SERVICE CLAIM ALLOWANCES

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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%
0-2000 hrs, 0-36 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%

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NOTE: This is a 3.0-hour job
NOTE: An additional $20 US Dollars will be allowed for sealants and cleaners.

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PARTS DISPOSITION

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

Rework Procedure

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Refer to Disassembly and Assembly Manual, RENR9627, "Bottom Guard (Engine) - Remove and Install".

Step 1) Remove the rear bottom guard

a) Remove the 2 bolts at the rear of the guard and the 3 bolts at the front of the guard. Refer to Image 1.1.1.

Image1.1.1

Step 2) Remove the nut and manual shut off (277-8147)

a) Remove the nut on rear of the engine and release the clip. Refer to Image 1.2.1.

Image1.2.1

b) Open the rear compartment.
c) Remove the manual shut off and pull out of the way.

Step 3) Clean and seal oil pan cover

a) Clean and degrease the area surrounding the oil pan and bolts using brake or parts cleaner.
b) Remove the oil pan bolts (4).
c) Clean and degrease the area surrounding the bolts after removal using brake or parts cleaner.
d) Dry the area surrounding the bolt surfaces. Refer to Image 1.3.1.

Image1.3.1

Step 4) Spray a liberal amount of Permatex Form-A-Seal Leak Repair (item no. 82096) to the cleaned area. Allow to dry for 1 minute. Repeat for at least 3 coats. After final coat, allow an additional 30 minutes for the leak repair to dry before applying the seal in step 5. Refer to Image 1.4.1.

Image1.4.1

Step 5) Prepare and Seal the front oil pan cover

a) Apply Loctite 593 Silicone Sealer to the front cover plate. Refer to Image 1.5.1.

Image1.5.1

b) Fasten the front cover plate to the fixture supplied with the kit. Refer to Image 1.6.1.

Image1.6.1

c) Align the front cover plate to the oil pan and install using the bolts removed in step 3 (this step must be completed immediately after applying the seal adhesive). Refer to Image 1.7.1.

Image1.7.1

d) Tighten the bolts to a torque of 8.8 +/- 1.0 N.m (78 +/- 9 in.lb).
e) Remove the fixture and allow the repair to dry for 2 hours.

Step 6) Prepare and seal the rear oil pan cover

a) Apply Loctite 593 Silicone Sealer to the rear cover plate. Refer to Image 1.8.1.

Image1.8.1

b) Fasten the rear cover plate to the fixture supplied with the kit. Refer to Image 1.9.1.

Image1.9.1

c) Align the rear cover plate to the oil pan and install using the bolts removed in step 3 (this step must be completed immediately after applying the seal adhesive). Refer to Image 1.10.1.

Image1.10.1

d) Tighten the bolts to a torque of 8.8 +/- 1.0 N.m (78 +/- 9 in.lb).
e) Remove the fixture and allow the repair to dry for 2 hours.

Step 7) Reassemble

a) Reassemble the manual shut off.
b) Reassemble the bottom guard and bolts.
c) Allow the machine to sit for an additional 10 hours to fully cure the Loctite 593 Silicone Sealer.