Read, Understand, Follow and Save These Instr uctions
Weld-on Instructions
• All welding must be performed by an AWS certified welder.
• If using a weld-on coupler, weld 3/16” around the interface between coupler and tongue. See illustrations below.
• Assure the coupler internal stop is butted against the end of the trailer tongue for maximum overlap.
Bolt-on Instructions
• Assure that the coupler internal stop is butted against the end of trailer tongue for maximum overlap before securing.
• Torque grade 5 bolts with locknuts to appropriate SAE proof load specifications (See table specs). No deformation
of trailer tongue end allowed.
• The number and size of fasteners required must be specified by the trailer manufacturer.
WARNING
Oil
Grease
(Ball Pocket)
Oil
• Purchaser/owner must ensure that product is installed according to these
instructions.
• Purchaser/owner must not alter or modify product.
• Operator and bystanders should never position any part of body under
any portion of this product or the load being supported.
• Do not allow children to play on or around this product or the load being
supported.
• Never exceed maximum rated capacity. Refer to stamped markings or
decals on product to obtain rated capacity. If uncertain, contact Cequent
Performance Products at 1-800-632-3290 or www.cequentgroup.com
• Use only the proper ball for this coupler as indicated on the coupler body.
If uncertain, contact Cequent Performance Products at 1-800-632-3290
or www.cequentgroup.com
• Always secure load, vehicle and trailer (by blocking wheels) before
latching/unlatching coupler.
• Use caution when uncoupling as tongue may rise suddenly due to
negative tongue load.
• After installing channel and/or coupler, if coupler operation has been
impared in any way, do not use it.
• Keep the ball pocket and mechanism clean. When parking or storing
your trailer, keep the coupler off the ground so dirt and/or other foreign
material will not build up in the coupler ball pocket.
• Do not tow if ball is not fully seated and/or coupler is not closed.
• All welding must be performed by a AWS certified welder.
• This product rated according to SAE J684.
Before Towing:
• Check vehicle, channel, hitch, hitch ball and coupler for signs of wear
or damage and that the coupler handle opens and closes freely. If
coupler and/or channel is deformed or damaged, replace complete
coupler and bracket.
• Always replace bent, broken, or worn parts before using this product.
• Close coupler securely by ensuring that the hitch ball is fully seated in
the coupler ball pocket and the pin is inserted behind the collar or latch.
• Check channel hardware for wear and proper tightness. Replace bent,
broken, or worn hardware. Tighten hardware to appropriate SAE
proofload specifications (See table specs). Use only grade 5 hardware.
• Make sure that the trailer safety chains are properly connected to the
towing vehicle and trailer according to SAE J684.
• Make sure that all trailer lighting is hooked up and working properly.
F3290 (Rev-D-16672) 1/12
3/16
Minimum Tongue Overlap - 2.5”
(Tongue may fit over or into coupler)
Keep ball pocket and mechanism
clean. The following procedures
should be performed at least annually:
• Check set screw torque.
• Grease ball pocket.
• Oil pivot points with SAE 30 wt.
motor oil.
• Inspect retaining pins and replace if necessary.
Oil
Retaining Pin
Minimum Tongue Overlap - 7”
3/16”
3/16”
Retaining Pin
Installation Instr uctions
Warning: Failure to follow these warnings and instructions may result in
property damage, serious bodily injury, and/or death.
Minimum Tongue Overlap - 6.5”
3/16”
3/16” 2.0” (TYPICAL)
3/16”
Minimum Tongue Overlap - 8.5”
2B, 4B and 5B Models
3/16”
3/16”
2.0” (TYPICAL
3/16”
Failure to follow these warnings and instructions may result in
property damage, serious bodily injury, and/or death.
Bulldog Collar-Lok™ Couplers
Read, understand and follow all of these instructions and warnings (Instructions) before installing and using this product. Install and use this product
only as specified in these instructions. Improper installation or use of this product may result in property damage, serious injury, and/or death.
Never allow installation or use of this product by anyone without providing them with these instructions. You must read, understand and follow all
instructions and warnings for any product(s) to which this product is used in conjunction with or installed. Save these instructions with the product
for use as a reference for any future installation and use of the product.
®
Maintenance
Minimum Tongue Overlap - 6.5”
Before mounting the coupler confirm that there will be no interference from the tow vehicle, tongue, ground, and any other mounted accessories
while stationary or in motion. Before installing, check for interference in open and closed positions. Check for interference again after
installation is complete. All welding must be performed by an AWS certified welder. The coupler must be rigidly attached to the trailer in order
for the coupler to support its maximum rated load according to SAE J684. After installation, check to make sure that coupler operation has not
been impaired in any way. Do not use coupler if its operation has been impaired.
Minimum Tongue Overlap - 7”
3B Model
No
undercut
or
washout
while
welding.
3.0” Channel
(Not included)
Supplied
Bolts
Torque Specs
Ø 3/8” - 23 ft.lbs.
Ø 1/2” - 55 ft. lbs.
Ø 5/8” - 110 ft. lbs.
(2 pages)
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