Installation Guide
Figure 2
Figure 1
ASSEMBLY
Step 1
Prepare the 5th wheel head unit for installation by locating
the hardware package containing four M14 hex bolts and flat
washers. The 16025 GM OEM legs (#1, #2) are compatible
with the following CURT 5th wheel heads: 16520, 16545,
16530, 16515.
Step 2
Select a set of mounting holes that will allow sufficient
clearance between the 5th wheel trailer and the sides
of the tow vehicle. Begin assembling the legs (#1, #2)
to the 5th wheel hitch head using the M14 bolts and M14
washers (provided with 5th wheel head unit) through the
selected mounting holes and loosely secure them
to the leg assemblies.
NOTE: Position the leg assembly with the operating
instruction label on the driver side of the tow vehicle.
The large locking feet on the 16025 will match the
large rear mounts in the truck bed.
Step 4
With the 16025 in position, torque all four M14 bolts
to 100 ft-lbs. Re-install the 5th wheel head if it was
removed to ease installation.
Step 5
With the legs secured and positioned in truck bed mounts,
rotate the handles back to the closed position. Secure the
handles by re-inserting all four lynch pins. NOTE: Slight
resistance should be felt as the handles are rotated closed.
If the handle will not close with moderate pressure, adjustments
must be made to the locking T-bolt; see 'T-bolt Adjustment'.
WARNING: Forcing the handle closed may damage the locking
bolt and handle, possibly resulting in trailer detachment.
Step 6
Confirm all four locking bolts are engaged in the truck bed
mounts and the castle nuts are secured with the cotter pins.
Finally, double check to ensure all four handles are securely
locked with the lynch pins. The 16025 is now installed
and ready for use.
Step 3
Remove the four lynch pins securing the locking handles
to the legs. Swing all four handles completely open and
lower the legs into position in the bed of the truck. Ensure
all four locking bolts and spacers drop into the mounting
holes before attempting to close the handles. See figure 2.
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