Parts List
DESCRIPTIONPART NUMBERQTYITEM
HEX BOLT1/2 - 13 x 1 1/261
WASHER1/2"62
HEX FLANGE NUT
HFN 1213143
CARRIAGE BOLT1/2-13 x 1 1/2
84
1/2" TUBE SPACER60636-TS
25
HEX BOLT1-8 x 2 1/226
HEX NUT1-82
7
1" HELICAL LOCK WASHER/
ZINC PLATED (HEX FREE)
1 LOCK WASHER28
WASHER
1.00 DIA.29
Curt Manufacturing Inc., warrants this product to be free of defects in material or workmanship at the time of retail purchase by the original purchaser. If the product is found to be defective,
Curt Manufacturing Inc., may repair or replace the product, at their option,when the product is returned, prepaid, with proof of purchase. Alteration to, misuse of, or improper installation of
this product voids the warrant. Curt Manufacturing Inc.'s liability is limited to repair or replacement of products found to be defective, and specificaly excludes liability for incidental or
consequential loss or damage.
60636
INSTALLATION STEPS
WARNING!! BRAKE, FUEL, AND ELECTRICAL LINES MAY NEED TO BE LOOSENED OR REPOSITIONED TO PROVIDE CLEARANCE FOR NEW HARDWARE.
ALL MODELS REQUIRE MODIFICATION OR REMOVAL OF HEAT SHIELDS. ON SHORT BED MODELS, CHECK FOR ADEQUATE TURNING CLEARANCE
BETWEEN THE FRONT OF ALL TRAILERS AND THE TRUCK CAB.
FRONT OF TRUCK
FIGURE 2
REAR OF TRUCK
BEFORE INSTALLING
An overhead lifting device, such as chain falls, engine hoist, or cable come-a-long, can be used to lift the center section of the
hitch in place. Lower a loop of rope or chain through the hole in the truck bed floor and attach it to the round hitch receiver
tube in the center section. Use the lifting device to raise the center section until the round hitch receiver tube that protrudes
from the center section fits in the hole in the truck bed floor. Maintaining upward pressure may facilitate fastening the cross-
member to the center section, especially if the truck bed floor has been distorted downward from heavy use. If you use an
overhead-lifting device, it should be disconnected before squaring the center section across the frame, installing the sideplates
and torquing fasteners.
1) Lower and remove spare tire and heat shield. The heat shield is located above the rear axle under the truck bed. It is
attached with four sheet metal screws (7/32" hex head). Replace the front screw after removing the heat shield.
2) Mark the location for the hole in the truck bed. Measure from the tail gate end of the truck bed, by hooking a tape measure
over the back of the truck box and marking the correct location.(NOTE: DO NOT MEASURE FROM EDGE OF TAILGATE)
Next, mark the center between the wheel wells. This marks the center point for the drill hole. This hole location is critical for
the correct installation of this hitch. Measure, mark, and saw carefully. This location will put the ball 4"-5" in front of the axle.
Short Bed Installation 48 1/16"
Long Bed Installation 48 1/16"
NOTE: If truck has a plastic bed liner, you may drill through both, but it is more difficult to accurately locate the
midpoint between the wheel wells, and to keep the bed liner from moving while cutting the hole. Make a
4"(3 5/8" for C-630/C-640) hole at this location using a 4"(or 3 5/8") hole saw, or by making a 4"(or 3 5/8")
circle and cutting it out with a saber saw equipped with a metal cutting blade.
3) On power stroke diesels only, loosen the tail pipe hanger bracket in front of the rear axle. Place a ratchet strap around the
highest part of the tail pipe and the rear axle. Pull the tail pipe down by tightening the ratchet strap to achieve sufficient clear-
ance for hitch parts. After installing parts, insert a 1/4" shim in the tail pipe bracket and tighten. Cut the safety chain U-bolts,
on the exhaust pipe side, off to an inside length of 3 1/4", and cut 1 1/2" off of the safety chain springs.
80-96 FORD 1/2, 3/4, & 1 TON TRUCKS
97-98 FORD 3/4 & 1 TON TRUCKS
(WITH & WITHOUT OVERLOAD SPRINGS)
**OLD BODY STYLE** (LONG & SHORT BED)
PAGE 1
**DO NOT EXCEED RECOMMENDED VEHICLE TOWING WEIGHT!**
DRIVER SIDEPLATE
TUBE SPACER INSTALLS
BETWEEN SIDEPLATE
AND FRAME
PASSENGER SIDEPLATE
REAR CROSS ARM
FRONT CROSS ARM
1" BED FLOOR FLANGE IN
PASSENGER SIDE WHEEL WELL
1"
1.5"
1 1/4"
BED FRAME RAIL
FIGURE 1
APPROX. CUT LINE
12/28/2012
SHOWN WITH C-600
INSTALLED
(NOT INCLUDED IN SUBKIT)
WARNING!! ON TWO WHEEL DRIVE TRUCKS A CLEARANCE CHECK MUST BE PERFORMED WHEN TRUCK IS LOADED
AND UNLOADED TO VERIFY THE INVERTED BALL WILL NOT INTERFERE WITH THE TOP OF THE DIFFERENTIAL
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