PRODUCT SUPPORT PROGRAM FOR REPLACING LINE RELIEF VALVES ON CERTAIN 345B AND 345B SERIES II HYDRAULIC EXCAVATORS
Usage:
SEBE9151
April 26, 2005
D-106
Show/hide table
| before
or after failure |
PRODUCT SUPPORT PROGRAM FOR REPLACING LINE RELIEF VALVES ON CERTAIN 345B AND 345B SERIES II HYDRAULIC EXCAVATORS |
|
| 5117 |
PS41821
|
|
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.
TERMINATION DATE
April 30, 2007PROBLEM
Certain 345B and 345B SERIES II Hydraulic Excavators may experience boom or stick drop. Line relief valve malfunction with cold oil has been identified as a possible cause for boom and stick drop. Drop can be influenced by improper vehicle warm up during cold weather applications or after extended periods of idling without boom and stick linkage movements.AFFECTED PRODUCT
Show/hide table
| Model | Identification Number |
| 345B |
|
| 345B II |
AMN326 AYR245, 246 AKJ212-214, 216 AKX212-249, 251-262, 264-281, 283-290, 292-297, 299-346, 350, 356-358, 366-396, 398-414 |
PARTS NEEDED
Show/hide table
Qty |
Part Number | Description |
| 3 | 2398920 | VALVE GROUP |
ACTION REQUIRED
See the attached Rework Procedure.SERVICE CLAIM ALLOWANCES
Show/hide table
Product smu/age whichever comes first |
|
|
|
|||
Parts |
|
|
|
|
|
|
|
0-36 mos |
|
|
|
|
|
|
|
|
||||||
PARTS DISPOSITION
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.Attach. (1-Rework Procedure)
Rework Procedure
- Replace the boom head end, stick head & rod end line reliefs with a new 239-8920 VALVE GROUP. Refer to Illustration 1 for the location of the relief valves. Refer to RENR1916 (345B) and RENR3744 (345B II) for valve adjustment procedures.
- Be certain that the hydraulic oil is warmed to 55 degrees +/-5 degrees C (131 DEGREES +/-9 DEGREES F) as per RENR1916 and RENR3744.
- Inspect the line relief valve seats for concentricity and/or damage. If the seat is damaged you will need to recondition it using a 229-3612 Valve Tool Assembly.
Caterpillar Information System:
PRODUCT IMPROVEMENT PROGRAM TO PROVIDE DECALS AND A NEW OPERATION AND MAINTENANCE MANUAL FOR CERTAIN CATERPILLAR PIN GRABBER COUPLERS PRODUCT IMPROVEMENT PROGRAM TO PROVIDE DECALS AND A NEW OPERATION AND MAINTENANCE MANUAL FOR CERTAIN CATERPILLAR PIN GRABBER COUPLERS
PRODUCT SUPPORT PROGRAM FOR REWORKING THE TRAVEL MOTOR CASE DRAIN LINES ON CERTAIN 330C AND 330C L EXCAVATORS PRODUCT SUPPORT PROGRAM FOR REWORKING THE TRAVEL MOTOR CASE DRAIN LINES ON CERTAIN 330C AND 330C L EXCAVATORS
PRODUCT IMPROVEMENT PROGRAM FOR REMOVING 10R2008 CYLINDER HEAD ASSEMBLIES FROM PARTS STOCK PRODUCT IMPROVEMENT PROGRAM FOR REMOVING 10R2008 CYLINDER HEAD ASSEMBLIES FROM PARTS STOCK
PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE 199-4611 WASHER FOR THE FINAL DRIVE ON CERTAIN 385B, 385B L, AND 5090B EXCAVATORS PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE 199-4611 WASHER FOR THE FINAL DRIVE ON CERTAIN 385B, 385B L, AND 5090B EXCAVATORS
PRODUCT IMPROVEMENT PROGRAM FOR REMOVING ALL 199-4611 WASHERS FROM DEALER STOCK PRODUCT IMPROVEMENT PROGRAM FOR REMOVING ALL 199-4611 WASHERS FROM DEALER STOCK
PRODUCT IMPROVEMENT PROGRAM FOR RETIGHTENING THE SPROCKET BOLTS ON CERTAIN 315C L EXCAVATORS PRODUCT IMPROVEMENT PROGRAM FOR RETIGHTENING THE SPROCKET BOLTS ON CERTAIN 315C L EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REPAIRING SWINGFRAME CRACKS AT THE BOOM CYLINDER MOUNTS ON CERTAIN 5110B EXCAVATORS PRODUCT SUPPORT PROGRAM FOR REPAIRING SWINGFRAME CRACKS AT THE BOOM CYLINDER MOUNTS ON CERTAIN 5110B EXCAVATORS
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND ADJUSTING THE CARRIER ROLLER WHICH MAY BE MISALIGNED ON CERTAIN 365B L, 365B L SERIES II, 385B, 385B L, AND 5090B EXCAVATORS PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND ADJUSTING THE CARRIER ROLLER WHICH MAY BE MISALIGNED ON CERTAIN 365B L, 365B L SERIES II, 385B, 385B L, AND 5090B EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REPLACING VARIOUS PLASTIC CAB PANELS ON CERTAIN 312C, 315C, AND 318C HYDRAULIC EXCAVATORS PRODUCT SUPPORT PROGRAM FOR REPLACING VARIOUS PLASTIC CAB PANELS ON CERTAIN 312C, 315C, AND 318C HYDRAULIC EXCAVATORS
PRODUCT IMPROVEMENT PROGRAM FOR REMOVING 249-6480 PRODUCT LINK KITS FROM DEALER PARTS STOCK PRODUCT IMPROVEMENT PROGRAM FOR REMOVING 249-6480 PRODUCT LINK KITS FROM DEALER PARTS STOCK
PRODUCT SUPPORT PROGRAM FOR REPLACING THE 249-7123 STRUT FOR THE DOOR ON CERTAIN 320C, 322C, 325C, AND 330C FORESTRY EXCAVATORS PRODUCT SUPPORT PROGRAM FOR REPLACING THE 249-7123 STRUT FOR THE DOOR ON CERTAIN 320C, 322C, 325C, AND 330C FORESTRY EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE GOVERNOR MOTOR THAT MAY FAIL ON CERTAIN 311C, 312C, 314C, 315C, 318C, 320C, AND 321C EXCAVATORS PRODUCT SUPPORT PROGRAM FOR REPLACING THE GOVERNOR MOTOR THAT MAY FAIL ON CERTAIN 311C, 312C, 314C, 315C, 318C, 320C, AND 321C EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE FAN DRIVE ON CERTAIN 315C EXCAVATORS PRODUCT SUPPORT PROGRAM FOR REPLACING THE FAN DRIVE ON CERTAIN 315C EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE GOVERNOR MOTOR THAT MAY FAIL ON CERTAIN 311C, 312C, 314C, 318C, 319C, 320C, AND 321C EXCAVATORS PRODUCT SUPPORT PROGRAM FOR REPLACING THE GOVERNOR MOTOR THAT MAY FAIL ON CERTAIN 311C, 312C, 314C, 318C, 319C, 320C, AND 321C EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REPAIRING OR REPLACING THE RADIATOR CORES WHICH MAY LEAK ON CERTAIN 330C, 330C L EXCAVATORS AND 330C MATERIAL HANDLERS PRODUCT SUPPORT PROGRAM FOR REPAIRING OR REPLACING THE RADIATOR CORES WHICH MAY LEAK ON CERTAIN 330C, 330C L EXCAVATORS AND 330C MATERIAL HANDLERS
PRODUCT IMPROVEMENT PROGRAM FOR RETORQUEING DAMPER RETAINING BOLTS ON CERTAIN 3500 ENGINES PRODUCT IMPROVEMENT PROGRAM FOR RETORQUEING DAMPER RETAINING BOLTS ON CERTAIN 3500 ENGINES
PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE 101-7404 BOLTS ON THE MAIN CONTROL VALVE ON CERTAIN 312C, 312C L, 315C, 318C, 319C, 320C, 320C LN, 322C, 325C, 325C L, 330C, AND 330C L EXCAVATORS PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE 101-7404 BOLTS ON THE MAIN CONTROL VALVE ON CERTAIN 312C, 312C L, 315C, 318C, 319C, 320C, 320C LN, 322C, 325C, 325C L, 330C, AND 330C L EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE RADIATOR FAN MOTOR 209-6058 MOTOR GROUP WITH A NEW 247-8978 MOTOR GROUP ON CERTAIN 385B, 385B L, AND 5090B EXCAVATORS PRODUCT SUPPORT PROGRAM FOR REPLACING THE RADIATOR FAN MOTOR 209-6058 MOTOR GROUP WITH A NEW 247-8978 MOTOR GROUP ON CERTAIN 385B, 385B L, AND 5090B EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE 137-5159 AND 137-5160 HOSES ON CERTAIN 322C, 325C, AND 330C FOREST MACHINES PRODUCT SUPPORT PROGRAM FOR REPLACING THE 137-5159 AND 137-5160 HOSES ON CERTAIN 322C, 325C, AND 330C FOREST MACHINES
PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE CONTROLLER FOR BOOM/BLADE SELECTION ON CERTAIN 312C L EXCAVATORS THAT ARE EQUIPPED WITH A BLADE PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE CONTROLLER FOR BOOM/BLADE SELECTION ON CERTAIN 312C L EXCAVATORS THAT ARE EQUIPPED WITH A BLADE
PRODUCT IMPROVEMENT PROGRAM FOR REMOVING ALL INSTALLED PRODUCT LINK PL-102C AND REPLACING WITH PRODUCT LINK PL-121SR PRODUCT IMPROVEMENT PROGRAM FOR REMOVING ALL INSTALLED PRODUCT LINK PL-102C AND REPLACING WITH PRODUCT LINK PL-121SR
PRODUCT IMPROVEMENT PROGRAM FOR REMOVING CERTAIN XT-5 REUSABLE STEM ASSEMBLIES-COLLET (3/4") AND HOSE ASSEMBLIES FROM DEALER PARTS STOCK PRODUCT IMPROVEMENT PROGRAM FOR REMOVING CERTAIN XT-5 REUSABLE STEM ASSEMBLIES-COLLET (3/4") AND HOSE ASSEMBLIES FROM DEALER PARTS STOCK
PRODUCT IMPROVEMENT PROGRAM FOR REFLASHING ENGINE SOFTWARE ON CERTAIN 924G, 928G, 930G WHEEL LOADERS, IT28G INTEGRATED TOOL CARRIERS, TH220B, TH330B, TH340B, TH350B, TH355B, TH360B, TH460B, TH560B, TH580B TELEHANDLERS, M313C, M315C, M316C, M318C, M32 PRODUCT IMPROVEMENT PROGRAM FOR REFLASHING ENGINE SOFTWARE ON CERTAIN 924G, 928G, 930G WHEEL LOADERS, IT28G INTEGRATED TOOL CARRIERS, TH220B, TH330B, TH340B, TH350B, TH355B, TH360B, TH460B, TH560B, TH580B TELEHANDLERS, M313C, M315C, M316C, M318C, M32
PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE 169-5593 GEAR FROM THE FINAL DRIVE ON CERTAIN 320C, 322C, 325C, AND 325C L EXCAVATORS PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE 169-5593 GEAR FROM THE FINAL DRIVE ON CERTAIN 320C, 322C, 325C, AND 325C L EXCAVATORS