PSP FOR INCREASING THE WINCH BRAKE CAPACITY AND THE SERVICE LIFE OF THE ONE-WAY CLUTCH ON CERTAIN D4H CUSTOM SKIDDERS - PS4 322 - MAILED US AND CANADA, CFEL, COSA, LIMITED CACO
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PSP FOR INCREASING THE WINCH BRAKE CAPACITY AND THE SERVICE LIFE OF THE ONE-WAY CLUTCH ON CERTAIN D4H CUSTOM SKIDDERS - PS4 322 - MAILED US AND CANADA, CFEL, COSA, LIMITED CACO
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-151 A-106.1 E-67 O-93 5163, 5173 PS4322 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 "PS4322" as Part Number, "7755" as Group Number, and "96" as Description Code.
Termination Date
July 31, 1990
Problem
The winch brake capacity can be increased to reduce the brake slippage on certain D4H Custom Skidders. Increasing the brake capacity can increase the service life of the one-way clutch.
Affected Product
Model Identification Number Winch Identification Number D4H 9DB431-1253 3XD1-586 If equipped with an 8Z7590 Grapple
Parts Needed
8 - 7G1968 Plate-Clutch 8 - 9G8542 Disc-Friction 1 - 2H9247 Seal-O-ring (if needed) 1 - 2K8257 Seal-O-ring (if needed) 1 - 5H6734 Seal-O-ring (if needed) 4 - 6Y3237 Spring-Disc 1 - 6Y3387 Hub-Clutch 1 - 6Y3388 Hub
Action Required
Remove the existing components and install the new parts as shown in the illustration. ****** IMAGE: SEBE4101.00001.001 CAPTION: Location of Parts
Service Claim Allowances
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 0-2000 100% 5 0 5 0 0 0-24 mo 2001-4000 33 1/3% 2.5 0 2.5 50% 5 24-36 mo NOTE: This is a 10-hour job if done separately and a 2-hour job if done in conjunction with PI3395.
Parts Disposition
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.
Caterpillar Information System:
PSP FOR INCREASING THE SERVICE LIFE OF POWER ANGLE TILT BULLDOZER COMPONENTS ON CERTAIN D5H TRACTORS - PS4299 - MAILED US AND CANADA, CACO, COFA, CFEL, COSA - REVISED 02/90 PSP FOR INCREASING THE SERVICE LIFE OF POWER ANGLE TILT BULLDOZER COMPONENTS ON CERTAIN D5H TRACTORS - PS4299 - MAILED US AND CANADA, CACO, COFA, CFEL, COSA - REVISED 02/90
PSP FOR INCREASING THE NUMBER OF BOLTS TO STRENGTHEN THE JOINT BETWEEN THE TRANSFER GEAR GROUP AND COVER ON CERTAIN 518 SKI DDERS AND 518 GRAPPLE SKIDDERS - PS4371 - MAILED US & CANADA, CACO, COFA, CFEL, COSA PSP FOR INCREASING THE NUMBER OF BOLTS TO STRENGTHEN THE JOINT BETWEEN THE TRANSFER GEAR GROUP AND COVER ON CERTAIN 518 SKI DDERS AND 518 GRAPPLE SKIDDERS - PS4371 - MAILED US & CANADA, CACO, COFA, CFEL, COSA
PSP FOR INSTALLING A NEW GRAPPLE ROTATOR ASSEMBLY ON CERTAIN 508 SKIDDERS - PS0399 - MAILED US, CANADA, LIMITED COFA, COSA PSP FOR INSTALLING A NEW GRAPPLE ROTATOR ASSEMBLY ON CERTAIN 508 SKIDDERS - PS0399 - MAILED US, CANADA, LIMITED COFA, COSA
SERVICE LETTER SUPPLEMENT FOR JULY 29, 1988 SL - PS4254 - PSP FOR CRACKS AT THE SPREADER TUBE TO BOWL SIDEWALL JOINT ON 631E, 63 7E - MAILED US AND CANADA, CACO, COFA, BRAZIL, COSA SERVICE LETTER SUPPLEMENT FOR JULY 29, 1988 SL - PS4254 - PSP FOR CRACKS AT THE SPREADER TUBE TO BOWL SIDEWALL JOINT ON 631E, 63 7E - MAILED US AND CANADA, CACO, COFA, BRAZIL, COSA
PSP FOR INCREASING THE SERVICE LIFE OF POWER ANGLE TILT BULLDOZER COMPONENTS ON CERTAIN D4H TRACTORS - PS4298 - MAILED US AND CANADA, CACO, COFA, CFEL, COSA - REVISED 4/90 PSP FOR INCREASING THE SERVICE LIFE OF POWER ANGLE TILT BULLDOZER COMPONENTS ON CERTAIN D4H TRACTORS - PS4298 - MAILED US AND CANADA, CACO, COFA, CFEL, COSA - REVISED 4/90
PARTS STOCK ACTION ONLY - 3G3391 ELEVATOR CHAINS IN PARTS STOCK MAY BE IMPROPERLY ASSEMBLED - PI7212 - MAILED US, CANADA CAC O, COFA, BRAZIL, CFEL, COSA PARTS STOCK ACTION ONLY - 3G3391 ELEVATOR CHAINS IN PARTS STOCK MAY BE IMPROPERLY ASSEMBLED - PI7212 - MAILED US, CANADA CAC O, COFA, BRAZIL, CFEL, COSA
PSP FOR EXCESSIVE AIR SIDE PLUGGING OF FOLDED CORE RADIATORS IN CERTAIN D6H, D7H, D8N TRACTORS - PS0390 - MAILED US AND CAN ADA, CACO, COFA, CFEL, COSA PSP FOR EXCESSIVE AIR SIDE PLUGGING OF FOLDED CORE RADIATORS IN CERTAIN D6H, D7H, D8N TRACTORS - PS0390 - MAILED US AND CAN ADA, CACO, COFA, CFEL, COSA
PARTS STOCK ACTION ONLY - NEW CYLINDER HEAD GASKETS ON 3406 ENGINES - PI7211 - MAILED US, CANADA, COFA, BRAZIL, CFEL, COSA TRU CK TEPS, MARINE TEPS AND AGRICULTURAL TEPS PARTS STOCK ACTION ONLY - NEW CYLINDER HEAD GASKETS ON 3406 ENGINES - PI7211 - MAILED US, CANADA, COFA, BRAZIL, CFEL, COSA TRU CK TEPS, MARINE TEPS AND AGRICULTURAL TEPS
PSP FOR REPLACING THE CASE AND FRAME ASSEMBLY ON CERTAIN D5H AND D5H LGP TRACTORS - PS0388 - MAILED COSA PSP FOR REPLACING THE CASE AND FRAME ASSEMBLY ON CERTAIN D5H AND D5H LGP TRACTORS - PS0388 - MAILED COSA
Product Support Program For Replacing The Case And Frame Assembly On Certain D5H and D5H LGP Tractors Product Support Program For Replacing The Case And Frame Assembly On Certain D5H and D5H LGP Tractors
SERVICE LETTER EXTENSION - MAY 21, 1988 - PS4224 - PSP FOR DAMAGED BOLTS IN GOVERNOR FLYWEIGHT CARRIER AND AUTOMATIC TIM ING ADVANCE UNITS IN D8N, 621E, 623E, 627E, 824C TRACTORS; 980C LOADERS; 245 EXCAVATORS; 16G MOTOR GRADERS; 825C, 826C COMPAC TOR SERVICE LETTER EXTENSION - MAY 21, 1988 - PS4224 - PSP FOR DAMAGED BOLTS IN GOVERNOR FLYWEIGHT CARRIER AND AUTOMATIC TIM ING ADVANCE UNITS IN D8N, 621E, 623E, 627E, 824C TRACTORS; 980C LOADERS; 245 EXCAVATORS; 16G MOTOR GRADERS; 825C, 826C COMPAC TOR
PSP FOR TRACK JOINT FAILURE (LEAKS) ON D8L, D9L, AND D10 TRACTORS - PS0381 - MAILED CACO PSP FOR TRACK JOINT FAILURE (LEAKS) ON D8L, D9L, AND D10 TRACTORS - PS0381 - MAILED CACO
PSP FOR EXCESSIVE AIR SIDE PLUGGING OF FOLDED CORE RADIATORS IN CERTAIN D4H AND D5H TRACTORS - PS0389 - MAILED US & CANADA, CAC O, COFA, CFEL, COSA PSP FOR EXCESSIVE AIR SIDE PLUGGING OF FOLDED CORE RADIATORS IN CERTAIN D4H AND D5H TRACTORS - PS0389 - MAILED US & CANADA, CAC O, COFA, CFEL, COSA
PSP FOR WHEEL BRAKE DISC BOLT LOOSENING ON CERTAIN 950B AND 950E LOADERS - PS4341 - MAILED US AND CANADA, CACO, COFA, CFEL PSP FOR WHEEL BRAKE DISC BOLT LOOSENING ON CERTAIN 950B AND 950E LOADERS - PS4341 - MAILED US AND CANADA, CACO, COFA, CFEL
PSP FOR REDUCING BEVEL GEAR AND PINION NOISE AND REDUCING THE RUST BEARING WEAR ON CERTAIN 56 WINCHES USED ON D6H TRACTORS - PS4 339 - MAILED US AND CANADA, CACO, COFA, CFEL, COSA PSP FOR REDUCING BEVEL GEAR AND PINION NOISE AND REDUCING THE RUST BEARING WEAR ON CERTAIN 56 WINCHES USED ON D6H TRACTORS - PS4 339 - MAILED US AND CANADA, CACO, COFA, CFEL, COSA
PSP FOR TRACK JOINT FAILURES (LEAKS) ON D4H, D5H, D6H TRACTORS - PS0395 - MAILED CFEL, COSA PSP FOR TRACK JOINT FAILURES (LEAKS) ON D4H, D5H, D6H TRACTORS - PS0395 - MAILED CFEL, COSA
PSP FOR TRACK JOINT FAILURES (LEAKS) ON D4H LGP, D5H LGP, AND D6H LGP TRACTORS - PS0394 - CFEL, COSA PSP FOR TRACK JOINT FAILURES (LEAKS) ON D4H LGP, D5H LGP, AND D6H LGP TRACTORS - PS0394 - CFEL, COSA
PRIORITY:NEW BEARING CAGE NEEDS TO BE INSTALLED IN THE CLUTCH AND GEAR GROUP OF THE WINCH ON CERTAIN 508 SKIDDERS - PI3411 - MAI LED US & CANADA, LIMITED COFA, LIMITED COSA PRIORITY:NEW BEARING CAGE NEEDS TO BE INSTALLED IN THE CLUTCH AND GEAR GROUP OF THE WINCH ON CERTAIN 508 SKIDDERS - PI3411 - MAI LED US & CANADA, LIMITED COFA, LIMITED COSA
PSP FOR INSTALLING A LARGER DIAMETER DRUM TO INCREASE THE SERVICE LIFE OF THE CABLE ON THE WINCH OF CERTAIN 508 SKIDDERS - P S4348 - MAILED US AND CANADA, LIMITED COFA, LIMITED COSA PSP FOR INSTALLING A LARGER DIAMETER DRUM TO INCREASE THE SERVICE LIFE OF THE CABLE ON THE WINCH OF CERTAIN 508 SKIDDERS - P S4348 - MAILED US AND CANADA, LIMITED COFA, LIMITED COSA
PRIORITY - TRACK JOINT OIL LEVEL AND RUBBER STOPPER INSTALLATION NEEDS TO BE CHECKED ON CERTAIN TRACK GROUPS; LINK ASS EMBLIES; D5H, D6H TRACTORS; AND 943, 953, 963, AND 973 LOADERS - PI3424 - MAILED US, CANADA, CACO, CFEL, COSA PRIORITY - TRACK JOINT OIL LEVEL AND RUBBER STOPPER INSTALLATION NEEDS TO BE CHECKED ON CERTAIN TRACK GROUPS; LINK ASS EMBLIES; D5H, D6H TRACTORS; AND 943, 953, 963, AND 973 LOADERS - PI3424 - MAILED US, CANADA, CACO, CFEL, COSA
BOLTS THAT HOLD THE TRANSMISSION DIRECTIONAL CLUTCH CASE & TRANSFER HOUSING TO THE FLYWHEEL HOUSING OF ENGINE NEED TO BE CHE CKED FOR THE CORRECT TORQUE & TIGHTENED IF NECESSARY ON CERTAIN 12G, 14G, 16G, 120G, 130G, & 140G MOTOR GRADERS - PI3427 US, BOLTS THAT HOLD THE TRANSMISSION DIRECTIONAL CLUTCH CASE & TRANSFER HOUSING TO THE FLYWHEEL HOUSING OF ENGINE NEED TO BE CHE CKED FOR THE CORRECT TORQUE & TIGHTENED IF NECESSARY ON CERTAIN 12G, 14G, 16G, 120G, 130G, & 140G MOTOR GRADERS - PI3427 US,
PRIORITY - GUSSETS AND WELDS NEED TO BE ADDED TO THE FRONT FRAME CROSSMEMBER ON CERTAIN 814B TRACTORS AND 816B COMPACTORS - P I3422 - MAILED US, CANADA, CFEL, COSA, LIMITED COFA PRIORITY - GUSSETS AND WELDS NEED TO BE ADDED TO THE FRONT FRAME CROSSMEMBER ON CERTAIN 814B TRACTORS AND 816B COMPACTORS - P I3422 - MAILED US, CANADA, CFEL, COSA, LIMITED COFA
PSP FOR INSTALLING NEW ALTERNATOR BELTS, PULLEYS AND GUARD ON CERTAIN D11N TRACTORS; 776B TRACTORS; 777B,785, 789 TRUCKS; 350 8, 3512, 3516 ENGINES (SPARE) - PS4344 - MAILED US AND CANADA PSP FOR INSTALLING NEW ALTERNATOR BELTS, PULLEYS AND GUARD ON CERTAIN D11N TRACTORS; 776B TRACTORS; 777B,785, 789 TRUCKS; 350 8, 3512, 3516 ENGINES (SPARE) - PS4344 - MAILED US AND CANADA
PSP FOR INSTALLING NEW ALTERNATOR BELTS, PULLEYS AND GUARDS ON CERTAIN D11N TRACTORS; 776B TRACTORS; 777B,785, 789 TRUCKS; 350 8, 3512, 3516 ENGINES (SPARE) - MAILED CACO, COFA, BRAZIL, COSA, LIMITED CFEL PSP FOR INSTALLING NEW ALTERNATOR BELTS, PULLEYS AND GUARDS ON CERTAIN D11N TRACTORS; 776B TRACTORS; 777B,785, 789 TRUCKS; 350 8, 3512, 3516 ENGINES (SPARE) - MAILED CACO, COFA, BRAZIL, COSA, LIMITED CFEL