PSP FOR REPAIRING STICKING VALVES IN THE AIR COMPRESSOR ON CERTAIN 12G, 120G, 130G, AND 140G MOTOR GRADERS; 518 SKIDDERS; AND 936E AND 950E LOADERS - PS4512 - MAILED US AND CANADA, COFA, CFEL, COSA
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PSP FOR REPAIRING STICKING VALVES IN THE AIR COMPRESSOR ON CERTAIN 12G, 120G, 130G, AND 140G MOTOR GRADERS; 518 SKIDDERS; AND 936E AND 950E LOADERS - PS4512 - MAILED US AND CANADA, COFA, CFEL, COSA
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.
U-174 A-119 AU-112 E-104 O-133 1803 PS4512 NOTE: This Program can be administered either before or after a failure. In either case the decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS4512" as Part Number, "7755" as Group Number, and "96" as 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.
Termination Date
August 31, 1991
Problem
The valves in the air compressor on certain 12G, 120G, 130G, and 140G Motor Graders; 518 Skidders; and 936E and 950E Loaders may stick and result in a condition of "no air at startup."
Affected Product
Model Identification Number 12G 61M11413-13706 3WC933-1379 120G 4HD630-1213 87V7884-9203 11W1218-1311 130G 74V2258-2491 12W1065-1089 140G 5MD275-886 72V9343-12874 13W740-790 518 94U1519-2273 95U1461-2734 936E 33Z1798-4468 950E 20E50-99 22Z3189-5047 65R3194-4205
Parts Needed
1 - 7E9918 Repair Kit-Major 1 - 2H9091 Connector (Motor Graders Only) 1 - 2H3940 Elbow (Motor Graders Only) 2 - 9M8406 Clip (Motor Graders Only) 1*- 8X4438 Hose (120G Only) 1*- 8X4439 Hose (12G, 130G, and 140G Only) * On motor graders equipped with alcohol injectors, dealers will need to fabricate the discharge line due to location variations.
Action Required
***** Parts Stock ***** Remove all 7C0569 Repair Kits removed from parts stock. ***** Affected Product ***** Remove the cylinder head from the air compressor and replace the valves as described in the instructions enclosed in the repair kit. On motor graders only, replace the discharge line and the fittings that the ends of the line connect to. NOTE: On motor graders equipped with alcohol injectors, dealers will need to fabricate the discharge line due to location variations.
Service Claim Allowances
***** Parts Stock ***** Submit one claim for all 7C0569 Repair Kits removed from parts stock. ***** Affected Product ***** Product Caterpillar Dealer Suggested Customer Suggested smu/age Parts Labor Hrs. Parts Labor Hrs. Parts Labor Hrs. whichever (D/N) (Cost) (C/L) (Sell) comes first ***** 12G, 120G, 130G, and 140G Motor Graders ***** 0-3000 100% 2 0 2 0 0 0-24 mo 3001-5000 33 1/3% 1 0 1 50% 2 25-36 mo ***** 518 Skidders ***** ***** 936E and 950E Loaders ***** 0-3000 100% 1.5 0 1.5 0 0 0-24 mo 3001-5000 33 1/3% .8 0 .7 50% 1.5 25-36 mo NOTE: This is a 3-hour job on Skidders and Loaders; and a 4-hour job on Motor Graders.
Parts Disposition
Any parts removed (with the exception of cores used for Caterpillar Remanufactured parts) can be rendered useless and scrapped immediately upon completion of the repair.
Caterpillar Information System:
PRIORITY - THE CENTER DRIVE SHAFT BEARINGS NEED TO BE INSPECTED FOR CORRECT ADJUSTMENT ON CERTAIN 518 AND 528 SKI DDERS - PI3479 - MAILED US AND CANADA, CACO, COSA, LIMITED COFA PRIORITY - THE CENTER DRIVE SHAFT BEARINGS NEED TO BE INSPECTED FOR CORRECT ADJUSTMENT ON CERTAIN 518 AND 528 SKI DDERS - PI3479 - MAILED US AND CANADA, CACO, COSA, LIMITED COFA
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Product Support Program For Installing A New Camshaft And Lifters In Certain D11N Tractors; 776B Tractors; And 777B, 785, And 789 Trucks Product Support Program For Installing A New Camshaft And Lifters In Certain D11N Tractors; 776B Tractors; And 777B, 785, And 789 Trucks
SERVICE LETTER EXTENSION FOR JUNE 14, 1989 SL - PSP FOR TRACK JOINT FAILURE (LEAKS) ON D8L, D9L, AND D10 TRACTORS - PS0381 - MAI LED CACO SERVICE LETTER EXTENSION FOR JUNE 14, 1989 SL - PSP FOR TRACK JOINT FAILURE (LEAKS) ON D8L, D9L, AND D10 TRACTORS - PS0381 - MAI LED CACO
PARTS STOCK ACTION ONLY - THE BEARING ASSEMBLY ON CERTAIN 6Y8997 BEVEL GEAR GROUPS MAY HAVE BEEN DAMAGED AS A RESULT OF PAC KAGING METHODS - PI7245 - MAILED US AND CANADA, CACO, COFA, BRAZIL, CFEL, COSA PARTS STOCK ACTION ONLY - THE BEARING ASSEMBLY ON CERTAIN 6Y8997 BEVEL GEAR GROUPS MAY HAVE BEEN DAMAGED AS A RESULT OF PAC KAGING METHODS - PI7245 - MAILED US AND CANADA, CACO, COFA, BRAZIL, CFEL, COSA
PSP FOR FAILED ONE-WAY CLUTCH COMPONENTS ON 988B LOADERS EQUIPPED WITH 2Z0989, 2X8670, 2Z8786, 2Z8858, 2Z8859 OR 2Z8860 LOC K-UP CONVERTER ARRANGEMENTS - PS0465 - MAILED US AND CANADA, COSA, LIMITED COFA PSP FOR FAILED ONE-WAY CLUTCH COMPONENTS ON 988B LOADERS EQUIPPED WITH 2Z0989, 2X8670, 2Z8786, 2Z8858, 2Z8859 OR 2Z8860 LOC K-UP CONVERTER ARRANGEMENTS - PS0465 - MAILED US AND CANADA, COSA, LIMITED COFA
SERVICE LETTER EXTENSION FOR APRIL 4, 1989 SL - PS0376 - PSP FOR CYLINDER BLOCK CRACKING ON CERTAIN D11N TRACTORS, 776B TRA CTORS AND 777B TRUCKS - PS0376 - MAILED US AND CANADA, CACO, COFA SERVICE LETTER EXTENSION FOR APRIL 4, 1989 SL - PS0376 - PSP FOR CYLINDER BLOCK CRACKING ON CERTAIN D11N TRACTORS, 776B TRA CTORS AND 777B TRUCKS - PS0376 - MAILED US AND CANADA, CACO, COFA
Product Support Program For Cylinder Head Gasket Failures On Certain D6D, D6H, D7G, And D7H Tractors; 12G, 14G, And 140G Motor Graders; D25C, D25D, D30C, D30D, D35C, D250B, D300B, D350C, And D350D Articulated Dump Trucks; Challenger 65 Tractors; Product Support Program For Cylinder Head Gasket Failures On Certain D6D, D6H, D7G, And D7H Tractors; 12G, 14G, And 140G Motor Graders; D25C, D25D, D30C, D30D, D35C, D250B, D300B, D350C, And D350D Articulated Dump Trucks; Challenger 65 Tractors;
PARTS STOCK ACTION ONLY - 5P4388 RACE AND ROLLER ASSEMBLIES NEED TO BE REMOVED FROM PARTS STOCK - PI7241 - MAILED US AND CAN ADA, CACO, COFA, BRAZIL, CFEL, COSA PARTS STOCK ACTION ONLY - 5P4388 RACE AND ROLLER ASSEMBLIES NEED TO BE REMOVED FROM PARTS STOCK - PI7241 - MAILED US AND CAN ADA, CACO, COFA, BRAZIL, CFEL, COSA
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PSP FOR REBUILDING THE RESONATOR ASSEMBLY FOR THE POWERSHIP TRANSMISSION OF CERTAIN D4H TRACTORS - PS4525 - MAILED US AND CAN ADA, CACO, COFA, CFEL, COSA PSP FOR REBUILDING THE RESONATOR ASSEMBLY FOR THE POWERSHIP TRANSMISSION OF CERTAIN D4H TRACTORS - PS4525 - MAILED US AND CAN ADA, CACO, COFA, CFEL, COSA
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Service Letter Extension Service Letter Extension
Product Support Program For Replacing The Camshaft On Certain D6H And D7H Tractors; 12G, 14G And 140G Motor Graders; D25C, D25D, D30C, D30D, D35C, D250B, D300B, D350C, And D350D Articulated Dump Trucks; Challenger 65 Tractors; 235C Excavators; 528 Sk Product Support Program For Replacing The Camshaft On Certain D6H And D7H Tractors; 12G, 14G And 140G Motor Graders; D25C, D25D, D30C, D30D, D35C, D250B, D300B, D350C, And D350D Articulated Dump Trucks; Challenger 65 Tractors; 235C Excavators; 528 Sk
PSP FOR REPLACING CRACKED HYDRAULIC TANK HEAD ASSEMBLY ON CERTAIN 988B LOADERS - PS4495 - MAILED US AND CANADA, CACO, COF A, BRAZIL, CFEL, COSA PSP FOR REPLACING CRACKED HYDRAULIC TANK HEAD ASSEMBLY ON CERTAIN 988B LOADERS - PS4495 - MAILED US AND CANADA, CACO, COF A, BRAZIL, CFEL, COSA
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New Boot And Rod Need To Be Installed On The Parking Brake Valve Of Certain D6H Tractors New Boot And Rod Need To Be Installed On The Parking Brake Valve Of Certain D6H Tractors
SERVICE LETTER SUPPLEMENT FOR FEBRUARY 20, 1990 SL - PSP FOR INSTALLING NEW ROLLERS IN THE ONE-WAY CLUTCH OF CERTAIN 56H WIN CHES - PS4418 - MAILED US, CANADA, CACO, COFA, CFEL, COSA SERVICE LETTER SUPPLEMENT FOR FEBRUARY 20, 1990 SL - PSP FOR INSTALLING NEW ROLLERS IN THE ONE-WAY CLUTCH OF CERTAIN 56H WIN CHES - PS4418 - MAILED US, CANADA, CACO, COFA, CFEL, COSA
SERVICE LETTER SUPPLEMENT FOR JUNE 27, 1989 SL - PSP FOR EXCESSIVE AIR SIDE PLUGGING OF FOLDED CORE RADIATORS IN CER TAIN D6H, D7H, D8N TRACTORS; AND 966D, 966E LOADERS - PS0390 - MAILED US AND CANADA, CACO, COFA, CFEL, COSA SERVICE LETTER SUPPLEMENT FOR JUNE 27, 1989 SL - PSP FOR EXCESSIVE AIR SIDE PLUGGING OF FOLDED CORE RADIATORS IN CER TAIN D6H, D7H, D8N TRACTORS; AND 966D, 966E LOADERS - PS0390 - MAILED US AND CANADA, CACO, COFA, CFEL, COSA
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