ADAPTER 9J3662 - 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 Cat dealer.
Clean the quick coupler prior to inspection in order to inspect the quick coupler properly.
Illustration 1 g02626324
Back side of the manual quick coupler. The lift arm and the tilt cylinder are removed for clarity.
Illustration 2 g02626326
Back side of the electric quick coupler. The lift arm and the tilt cylinder are removed for clarity.
Tilt the quick coupler all the way forward in order to clean the debris away from the pins.
Move the quick coupler levers. Ensure that the levers are not bent or broken.
Make sure that the coupler pins extend through the bottom of the quick coupler assembly. Check the pins for wear and check the pins for damage.
Check the top edges of the quick coupler assembly for wear or for damage. Check the face of the quick coupler assembly for wear or for damage.
Inspect the components inside the quick coupler for the following problems:loose bolts, oil leaks, broken parts, missing parts and cracked components
Inspect the electric harness for damage or abrasion. Check for loose connections or broken wires. Repair any worn components or replace any worn components. Repair any leaking components.
Inspect the steel material of the quick coupler for cracks. Note: Perform all repairs before placing the quick coupler back into operation.