SEAL-V-RING 4946742 - Caterpillar

Personal injury or death can result from improperly checking for a leak.Always use a board or cardboard when checking for a leak. Escaping air or fluid under pressure, even a pin-hole size leak, can penetrate body tissue causing serious injury, and possible death.If fluid is injected into your skin, it must be treated immediately by a doctor familiar with this type of injury.
Note: Do not weld on the quick coupler without consulting your Caterpillar dealer.Note: Clean the quick coupler prior to inspection in order to properly inspect the quick coupler.
Remove the cover assemblies from the back of the quick coupler.
Clean the inside of the quick coupler in order to properly inspect the inside of the quick coupler.
Inspect the components inside the quick coupler for the following problems:loose bolts, oil leaks, broken parts, missing parts and cracked components
Inspect the hydraulic lines and the hydraulic fittings for damage or for wear. Repair any worn components or replace any worn components. Repair any leaking components.
Inspect the steel material of the quick coupler for cracks.
Reattach the cover assemblies to the back of the quick coupler.
Inspect the warning signs and labels. Replace warning signs or labels that are missing. Replace warning signs or labels when you cannot read the warning signs or labels. Refer to the Operation and Maintenance Manual, "Safety Messages"for additional information.Note: Perform all repairs before placing the quick coupler back into operation.