Maintenance Interval Schedule
Every 10 Service Hours or Daily
Bearing (Side Tilt) - LubricateBearing for Accumulator Arm - Lubricate
Bearing for Grapple Arm - Lubricate
Bearing for Output Shaft - Lubricate
Bearings (Cylinder Ends) - Lubricate
Disc Saw - Clean/Inspect/Replace
Disc Saw Tooth - Inspect/Replace
Output Shaft End Play - Check
Initial 25 Service Hours
Felling Head - CheckEvery 100 Service Hours or 2 Weeks
Piston Motor (Disc Saw) Area - CleanEvery 500 Service Hours
Disc Saw Tooth - Inspect/ReplaceEvery 1000 Service Hours
Disc Saw - Clean/Inspect/ReplaceCaterpillar Information System:
CX38 CL6 Top Hat Rework Conversion of Assemblies 367-9371 to 490-8824 {3030, 3160} CX38 CL6 Top Hat Rework Conversion of Assemblies 367-9371 to 490-8824 {3030, 3160}
Interference Between Cable Assembly and Hydraulic Fan Case Drain Hose Assembly May Occur on Certain 793D Off-Highway Trucks {1408, 5057} Interference Between Cable Assembly and Hydraulic Fan Case Drain Hose Assembly May Occur on Certain 793D Off-Highway Trucks {1408, 5057}
794 AC Off-Highway Truck Field Assembly Platform - Install - Superstructure
B1, B2, B4, B6 and B8 Hydraulic Hammers Head Nuts - Tighten
New Collar and Longer Screw Hardware Improvement is Now Available for RS400 Rotation Sensor on Certain Motor Graders {1408} New Collar and Longer Screw Hardware Improvement is Now Available for RS400 Rotation Sensor on Certain Motor Graders {1408}
A Rework Procedure Is Now Available for Providing More Lubrication to the Transmission Clutch Number Three on Certain 700 Series Articulated Trucks {3030, 3160} A Rework Procedure Is Now Available for Providing More Lubrication to the Transmission Clutch Number Three on Certain 700 Series Articulated Trucks {3030, 3160}
New Air Cleaner Kit Is Now Available for Certain 836K Landfill Compactors {0679, 1051, 1071, 1408} New Air Cleaner Kit Is Now Available for Certain 836K Landfill Compactors {0679, 1051, 1071, 1408}
521B and 522B Track Feller Bunchers Tilt Platform Stabilizer - Inspect/Adjust
725C2 and 730C2 Articulated Truck Machine System Sensor - Remove and Install - Payload
A New Special Instruction Is Now Used to Rework the Weld Crack on A-Pin Doubler Plate for Certain 966L, 966M, 972L, and 972M Medium Wheel Loaders {0679, 7054} A New Special Instruction Is Now Used to Rework the Weld Crack on A-Pin Doubler Plate for Certain 966L, 966M, 972L, and 972M Medium Wheel Loaders {0679, 7054}
Payload Harness Grommets Are Now Installed on Certain 700 Series Articulated Trucks {1408, 7150} Payload Harness Grommets Are Now Installed on Certain 700 Series Articulated Trucks {1408, 7150}
Wrong Resistor May be Installed into 176-9668 Instrument Console Gp on Certain Excavators and Wheel Loaders {1408, 1437, 6129} Wrong Resistor May be Installed into 176-9668 Instrument Console Gp on Certain Excavators and Wheel Loaders {1408, 1437, 6129}
Inspection of the Rear of the Engine on Certain C4.4 Machine Engines {1201} Inspection of the Rear of the Engine on Certain C4.4 Machine Engines {1201}
New Turbo Outlet Hose Is Now Used on Certain 815K Soil Compactors and 816K Landfill Compactors {1071} New Turbo Outlet Hose Is Now Used on Certain 815K Soil Compactors and 816K Landfill Compactors {1071}
New Air To Air After Cooler (ATAAC) Core Mount Is Now Used on Certain 815K Soil Compactors and 816K Landfill Compactors {1063} New Air To Air After Cooler (ATAAC) Core Mount Is Now Used on Certain 815K Soil Compactors and 816K Landfill Compactors {1063}
New Lamp Group Flood Lights Are Now Used on Certain L Series and M Series Medium Wheel Loaders {1429, 1430, 1434} New Lamp Group Flood Lights Are Now Used on Certain L Series and M Series Medium Wheel Loaders {1429, 1430, 1434}
Improved Axle Shaft is Now Used on Certain 826K Landfill Compactors {3278} Improved Axle Shaft is Now Used on Certain 826K Landfill Compactors {3278}
HFW221 Felling Head Specifications
Procedure to Replace Drive Assembly of Starter Motor On All Cat® Products {1453} Procedure to Replace Drive Assembly of Starter Motor On All Cat® Products {1453}
High-Pressure Fuel Pump Adapter and Front Gear Inspection for Certain C175–16 and C175–20 Engines {1242, 125H} High-Pressure Fuel Pump Adapter and Front Gear Inspection for Certain C175–16 and C175–20 Engines {1242, 125H}
Transmission Clutch Failure May Occur on Certain 793F Off-Highway Trucks {3030, 3160} Transmission Clutch Failure May Occur on Certain 793F Off-Highway Trucks {3030, 3160}
New Pre-Cleaner Hose Is Now Used on Certain 24 Motor Graders {7320} New Pre-Cleaner Hose Is Now Used on Certain 24 Motor Graders {7320}
Lock Plate in Transmission Planetary Group is Failing on Certain Large Off-Highway Trucks {3030, 3160} Lock Plate in Transmission Planetary Group is Failing on Certain Large Off-Highway Trucks {3030, 3160}
Transmission Clutch Seals May Fail on Certain 793F Off-Highway Trucks {3030, 3160} Transmission Clutch Seals May Fail on Certain 793F Off-Highway Trucks {3030, 3160}