Curt Group 60639 Manuale utente

CURTMFG.COM •NEED ASSISTANCE? •877.287.8 634 •60639-INS-RA •PAGE 1

INSTALLATION MANUAL 60639

Level of Difﬁculty

Easy

Parts List

Item Qty Description

1 2 Safety chain anchor

2 2 Pin, 10mm

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.

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 taillights of the truck.

Insert a 10mm pin (#2) into the top of each

safety chain anchor and secure using the

provided 5mm lynch pins (#3).

Note: The 10mm 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.

Rear-most puck system

mount (both sides)

Both rings should

face the taillights

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°

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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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