0433992 JOHNSON CARBURETOR ASSEMBLY

July 6, 2001
(Revised November 2001)
U-160
A-109
AU-92
S-74
H-55
Priority PRODUCT IMPROVEMENT PROGRAMTO REPLACE THE ENGINE OIL FILTER BASE ON CERTAIN 320C AND 320CL EXCAVATORS
1306 PI30184
This Program must be administered assoon as possible. When reporting the repair, use "PI30184" as the Partnumber and "7751" as the Group Number, "56" as the Warranty Claim DescriptionCode and "T" as the SIMS Description Code. Exception: If the repair isdone after failure, use "PI30184" as the Part Number, "7751" as the GroupNumber, "96" as the Warranty Claim Description Code, and "Z" as the SIMSDescription Code. The information supplied in this serviceletter may not be valid after the termination date of this program. Donot perform the work outlined in this Service Letter after the terminationdate without first contacting your Caterpillar product analyst. This Revised Service Letter replacesthe July 6, 2001 Service Letter. Changes were made to the Affected Product.
COMPLETION DATE
TERMINATION DATE
January 31, 2002 July 31, 2002PROBLEM
Some of the threaded studs for the engine oilfilter have broken, allowing the loss of oil. The oil base threaded studis being changed from aluminum to a steel insert for this reason. Furtherimprovements have been made to the base by eliminating the check valveand increasing the diameter of the oil drain hose.AFFECTED PRODUCT
Model Identification Number320C AMC100-377, 381-382
BGB317-322
BKK403
BDC100-114, 200-206, 208-209, 211-213
BPR101-231320C L ANB120-675, 687-688
BER116-126, 200-214
BRX116-173PARTS NEEDED
1 - 5D1026 Clamp
1 - 1968191 Bracket As
1 - 1968192 Bolt ? valve
1 - 1968226 HoseACTION REQUIRED
See the attached Rework Procedure.OWNER NOTIFICATION
U.S. and Canadian owners will receive the attachedOwner Notification.SERVICE CLAIM ALLOWANCES
Caterpillar Dealer Suggested Customer Suggested
Parts Labor Hrs. Parts Labor Hrs. Parts Labor Hrs.
100% 1 0 0 0 0
This is a 1.0- hour job. U.S. and Canadian Dealers Only - Eligibledealers may enter a Type 2 SIMS ReportPARTS DISPOSITION
Handle the parts in accordance with your WarrantyBulletin on warranty parts handling.
MAKE EVERY EFFORT TO COMPLETE THIS PROGRAMAS SOON AS POSSIBLE.
Attach. (1-Owner Notification)
(2-Rework Procedure)COPY OF OWNER NOTIFICATION FOR U.S. AND CANADIAN OWNERS
XYZ Corporation
3240 Arrow Drive
Anywhere, YZ 99999PRIORITY - REPLACE THE ENGINE OIL FILTER BASEMODELS INVOLVED ? Certain 320C and 320C L ExcavatorsDear Caterpillar Product Owner:Some of the threaded studs for the engine oilfilter have broken, allowing the loss of oil. The oil base threaded studis being changed from aluminum to a steel insert for this reason. Furtherimprovements have been made to the base by eliminating the check valveand increasing the diameter of the oil drain hose. A new engine oil filterbase needs to be installed on the products listed below. You will not becharged for the service performed.Contact your local Caterpillar dealer immediatelyto schedule this service. The dealer will advise you of the time requiredto complete this service. Please refer the dealer to their Service Letterdated July 6, 2001 when scheduling this service.We regret the inconvenience this may causeyou, but urge you to have this service performed as soon as possible toprevent unscheduled downtime.Caterpillar Inc.
Identification #(s)Attached to July 6, 2001 Service LetterRework Procedure
NOTE: The engine oil filter base assemblygroup consist of an innerbracket (8) and an outer filter base. The outer filter base (1838178) needsto be removed and replaced by 1968191 (Shown as #7 Bracket As ? Illustration1). Refer to the illustrations that followthis rework procedure in order to perform the following actions.
Remove the 1838178 outer filter base.
Loosen and remove the check valve plug from thebracket (8).
Remove the 1786570 Spring and the 1786573 SteelBall and discard.
NOTE: Clean the ball seating areaand remove any burrs.NOTE: Make sure to torque allbolts according to specifications.
Replace the check valve plug.
Install the 1968226 Hose to the bottom of the1968191 Bracket As., and secure with the 5D1026 Clamp.
Install the new 1968191 Bracket As.
Install the 1968192 Bolt - Valve.
Installation complete.