O-RING 1009154 - Caterpillar

Refer to Operation and Maintenance Manual, "Fuel Transfer Pump (Refueling)" for further information.Relieve Hydraulic Tank Pressure (17)This safety message is located on top of the hydraulic tank.
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HYDRAULIC TANKRELIEVE TANK PRESSURE WITH ENGINE OFF BY REMOVING CAP SLOWLY TO PREVENT BURNS FROM HOT OIL.
Crushing Hazard (18)This safety message is located on both sides of the stick.
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A crushing hazard exists when the stick and boom are in motion and when the machine is being used in object handling applications. Failure to stay clear of the stick and boom when the machine is in operation can result in personal injury or death. Stay clear of the stick and boom when the machine is in operation.
High Pressure Cylinder (19)This safety message is positioned on the track adjuster on both sides of the machine.
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High Pressure Cylinder. Do not remove any parts from the cylinder until all of the pressure has been relieved. This will prevent possible personal injury or death.
Refer to Operation and Maintenance Manual, "Track Adjustment - Adjust" for the adjustment procedure.Hot Surface (20)This safety message is located in four locations. This message is located on the outside of the engine hood and the inside of the engine hood. This message is located next to the radiator. This message is also located on the right side of the machine behind the access door.
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Engine hood and engine hood parts can be hot while engine is running or immediately after engine shutdown. Hot parts or hot components can cause burns or personal injury. Do not allow these parts to contact your skin, when engine is running or immediately after engine shutdown. Use protective clothing or protective equipment to protect your skin.
Crushing Hazard (21)This safety message is located on the rear of each side of the machine.
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Machine swings. Stay back. Crushing hazard could cause serious injury or death.
High Pressure Gas (22)This safety message is positioned on the accumulator.
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Pressurized System!Hydraulic accumulators contain gas and oil under high pressure. DO NOT disconnect lines or disassemble any component of a pressurized accumulator. All gas pre-charge must be removed from the accumulator as instructed by the service manual before servicing the accumulator or any accumulator component.Failure to follow the instructions and warnings could result in personal injury or death.Only use dry nitrogen gas to recharge accumulators. See your Cat dealer for special equipment and detailed information for accumulator service and charging.
Refer to Operation and Maintenance Manual, "Equipment Lowering with Engine Stopped" for further information.