Curt Group 60638 Manuale utente
CURTMFG.COM •NEED ASSISTANCE? •877.287.8 634 •60638-INS-RA •PAGE 1
INSTALLATION MANUAL 60638
Level of Difficulty
Easy
Parts List
Item Qty Description
1 2 Safety chain anchor
2 2 Pin, 12mm
3 2 Lynch pin, 5mm
4 1 Gooseneck ball, 2-5/16"
Product Photo
Weight Capacity
Gross trailer weight (GTW) 38,000 lbs.
Vertical load 9,500 lbs.
Tools Required
None
Maintenance
When the ball and anchors are not in use,
remove them from the truck bed and store
in the included case or a dry, clean area.
Keep the gooseneck ball, safety chain
anchor pins and towing system lubricated
regularly. Use silicone spray or equivalent
to prevent wear and rust.
Place the puck system anchor hole covers
(supplied by the truck manufacturer) into
the puck system holes when the anchors
are removed to keep dirt and debris out.
Place a rubber cover into the
gooseneck receiver when the ball is
removed to keep dirt and debris out.
Failure to maintain the towing system could
result in poor performance and / or failure.
2
3
1
WARNING
Never exceed the vehicle manufacturer's recommended towing capacity.
Vehicle performance (braking, handling, acceleration, turning radius) can be drastically affected
by a trailer. Allow additional time and space for stopping, changing lanes, passing and turning.
Product Registration and Warranty
CURT Group stands behind our products with industry-leading warranties.
Provide feedback and help us to improve our products by registering your purchase at:
warranty.curtgroup.com/surveys
CAUTION
Severe bumps can damage the towing system. Avoid or drive slowly over rough terrain.
Do not tow more than one trailer at a time. This may cause loss of control.
NOTICE
Before you begin installation, read all instructions thoroughly.
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Anchor Installation
Insert both safety chain anchors (#1) into the
rear-most truck bed puck system mounts.
Note: Always install in the rear-most mounts.
Once inserted, rotate the anchors 90°
toward the center of the truck.
Insert a 12mm pin (#2) into the top of each
safety chain anchor and secure using the
provided 5mm lynch pins (#3).
Note: The 12mm pins and 5mm lynch pins
must be fully inserted and engaged.
When the safety chain anchors are not
in use, remove them from the truck bed
mounts and store in a dry, clean area.
2
31
Rear-most puck system
mount (both sides)
Both rings should
face the center of
the truck
Ball Installation
To install the gooseneck ball, lift the handle
on top of the ball from its seat and rotate 90°.
Insert the gooseneck ball into the truck
bed puck system receiver tube. Rotate the
lift handle to the locked position and flip
it down into its seat.
If the lift handle does not freely rotate into the
locked position, rotate the ball while applying
light pressure to the side of the lift handle.
When the lift handle rotates into the locked
position, flip it down into the seated position.
When the gooseneck ball is not in use,
remove it from the receiver tube and
store in a case or a dry, clean area.
Place a rubber cover into the gooseneck
receiver when the ball is removed to
keep dirt and debris out.
Handle must match the ball profile while
in the locked position, prior to coupling
Truck bed
Puck system
receiver tube
Locked ball
Unlocked
lift handle
Seat
To install,
rotate
handle 90°
CURTMFG.COM •NEED ASSISTANCE? •877.287.8 634 •60638-INS-RA •PAGE 3
TOWING TIPS
Towing Tips
Driving a tow vehicle Verify adequate turning clearance between the truck cab / box corners and trailer(s).
Verify the trailer safety chain length. Too much slack in the chain may prevent maintaining control
in the event of separation. Leave only enough slack to allow full turning without interference.
Check your equipment Periodically check the condition of all towing equipment. Ensure all fasteners are tight and
that all structural components are sound. Do not tow a trailer with worn or damaged parts.
Check truck box clearance. There should be a minimum clearance of
6" between the bottom of the trailer's overhang and the top of the box sides.
Verify all anchors are properly installed, secured with lynch pins, and the trailer attachments
to the safety chain anchors are secure (cannot be shaken free during towing).
Attach trailer securely to safety chain anchors.
Ensure the safety chains and hooks are rated to the load capacity of the trailer.
Trailer loading Proper trailer loading is very important.
Heavy items should be placed close to the floor near the trailer axle center line. The load should
be balanced side to side and firmly secured in the trailer to prevent shifting. Tongue weight should
be 10-15% or the gross trailer weight for most trailers. Too low of a tongue weight often produces
tendency to sway.
Never load the trailer heaver behind the trailer axle(s).
Towing vehicle and trailer
manufacturer's recommendations
Review the owner's manual for your towing vehicle and trailer
for specific recommendations, capacities and requirements.
Trailer lights, turn signals
and electric brakes
Verify trailer lights, electric brakes and breakaway switches are working properly.
Tire inflation Unless specified by the towing vehicle or trailer manufacturer,
tires should be inflated to their maximum recommended pressure.
Properly Installed System
Always install both safety chain loops
in the rear-most puck system mounts.
Gooseneck ball
Rear of truck bed
Safety chain anchor
Puck system mount
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