CURT 40081 1-7-8 Inch Trailer Hitch Tow Ball 
INSTALLATION INSTRUCTIONS
WARNING: NEVER EXCEED YOUR VEHICLE MANUFACTURER’S RECOMMENDED TOWING CAPACITY
ROUND BAR RETAINER
PARTS LIST
INSTALLATION
CAUTION: Use eye protection for this procedure.
- Step
Remove the head of the old drive screw with a chisel. See Figure 1.
- Step 2
Use a pin punch to remove the remaining shank of the drive screw. - Step 3
Place the new set key (#3), with the nose facing down, in the slot of the spring clip (#2), as shown in Figure 2. - Step 4
Insert hex head screw (#1) into spring clip (#2) and then into the head unit, making sure set key (#3) is seated in position. Torque the hex head screw to 30 inch lbs. - Step 5
Repeat Steps 1 through 4 for the other side.
NOTE: Periodically check this hitch to insure that all fasteners are tight and that all structural components are sound.
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CURT: Trailer Hitches - Trailer Wiring - 5th Wheel - Gooseneck
