2014/02/20 New Anti Drift Valves are Now Used on Certain 345D and 349D Excavators {5059} Caterpillar


New Anti Drift Valves are Now Used on Certain 345D and 349D Excavators {5059}
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2014/02/20 [SEPD1741]
HYDRAULIC SYSTEM
VALVE GP-PILOT
2014/02/20 New Anti Drift Valves are Now Used on Certain 345D and 349D Excavators {5059}
Excavator:
345D (S/N: DPA1-UP; BYC1-UP; HLC1-UP; RGD1-UP; RAE1-UP; YEE1-UP; NEG1-UP; RGG1-UP; EEH1-UP; KFH1-UP; RAJ1-UP; MLK1-UP; NLM1-UP; JKN1-UP; FES1-UP; PBT1-UP; BYW1-UP; LKY1-UP)
349D (S/N: JGB1-UP; WTD1-UP; GKF1-UP; NNF1-UP; PZG1-UP; KLH1-UP; RBJ1-UP; MEN1-UP; KHS1-UP)
Mobile Hydraulic Power Unit:
345D MHPU (S/N: P5D1-UP; L5R1-UP)
349D MHPU (S/N: DKN1-UP; MCX1-UP)

New anti drift valves are now used on the machines listed above. The new valves provide a more robust anti drift function. The new valves have been relocated from the valve body to the flange of the tube assembly. Refer to Illustrations 1 and 2of the new design and former design.




Illustration 1g03523656

Former design

(1) Plug

(2) Valve Gp

(3) Tube As




Illustration 2g03523740

New design

(1) Plug

(2) Valve Gp

(3) Tube As

Table 1
Improved Anti Drift Valves for the Machines Listed Above    
New Part Number     Part Name     Description     Former Part Number    
448-7593     Pilot Valve Gp     for STD     310-0146    
448-7594     Load Control Valve Gp     for Heavy Lift     310-0147    
448-7595     Load Control Valve Gp     for BLCV     310-0149    
448-7596     Load Control Valve Gp     for Smart Boom     310-0150    
449-8064     Tube As         319-9717    
6H-3615     Protective Plug            
9F-2167     Purge Screw            

Information System:

C15 and C18 On-Highway Engines Engine Oil Pump - Remove and Install
Reuse and Salvage for Engine Dampers {1202, 1205}
G3500H Generator Set Engine Cooling System
C15 and C18 On-Highway Engines Engine Oil Filter Base - Remove and Install - C15
G3500H Generator Set Engine Lubrication System
C15 and C18 On-Highway Engines Engine Oil Filter Base - Remove and Install - C18
G3500H Generator Set Engine Air/Fuel Ratio Control - NO<SUB>X</SUB> Feedback
12M Series 3, 140M Series 3, 160M Series 3, 140, 150 and and 160 Motor Graders Blade Cushion - If Equipped
2013/11/13 New Exhaust Temperature Sensor Groups Are Used on Certain 3500, 3600, C175, and C280 Marine and Petroleum Off-Shore Applications {1408, 1900, 1906, 1919, 1921, 1922, 1928, 1929, 7498}
C15 and C18 On-Highway Engines Engine Oil Cooler - Remove and Install - C15
C15 and C18 On-Highway Engines Engine Oil Cooler - Remove and Install - C18
C280-08 Marine Engine After Stopping Engine
CX31-P600 Petroleum Transmission Visual Inspection
CX31-P600 Petroleum Transmission Torque Converter Troubleshooting
C15 and C18 On-Highway Engines Water Temperature Regulator Housing - Remove and Install
CX31-P600 Petroleum Transmission Transmission Planetary Troubleshooting
C15 and C18 On-Highway Engines Flywheel - Remove and Install
CX31-P600 Petroleum Transmission Hydraulic Oil Contamination - Test
C280 Marine Engines Battery
C15 and C18 On-Highway Engines Flywheel Housing - Remove and Install - Power Take Off equipped
C15 and C18 On-Highway Engines Power Take-Off Drive Group - Assemble
C15 and C18 On-Highway Engines Crankshaft Front Seal - Remove and Install
12M Series 3, 140M Series 3, 160M Series 3, 140, 150 and and 160 Motor Graders Hydraulic System
12M Series 3, 140M Series 3, 160M Series 3, 140, 150 and 160 Motor Graders Solenoid Valve - Test