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engage tapered flats on handle with tapered seats
in 893 Pawl and push handle snuggly into 893 Pawl.
Grasp the end of the 891C Bushing and rotate it to
align lugs with the tapered seats in the 893 Pawl
and push inward to seat. (See Image #2, Figs. 2, 3
& 4 for parts position and orientation.) Please Note:
The 893 Pawl can be put in backwards, potentially
causing false latching to occur. See Image #2, Fig. 4
for proper orientation prior to placing into body.
10) Install 387 Locknut onto 891 Handle and tighten.
Make certain that during tightening of the 387
Locknut that the 891 Handle’s tapered seats and the
891C Bushing lugs maintain their proper position in
the 893 Pawl and remain seated during tightening.
11) Verify that 2-3 threads of the 891 Handle are past the
end of the 387 Locknut. This assures the tapered
flats on the 891 Handle and the lugs on the 891C
Bushing are engaged properly with the 893 Pawl.
12) Rotate 896 Handle clockwise to full rotation and hold
in position. Rotate 891 Handle clockwise checking
for resistance. If the 893A Spring is installed
correctly, smooth increasing spring resistance should
be felt when handle is rotated. If no resistance
or binding is felt, the spring and/or parts are not
installed correctly and must be corrected prior to
proceeding further.
13) Place coupling on mounting base with shroud
opening facing up. Place latch system in opened
position again. (Rotate the 896 Handle clockwise
until it stops. While holding the 896 Handle in the
maximum rotated position, grasp and rotate the 891
Handle clockwise to full rotation, then release 896
Handle. The 896 Handle should hold the 891 Handle
from rotating back to its previous position.)
14) Grasp 892 Hook and position into the coupling body
aligning with the body holes. Slide the 894 Pin into
body hole and on through the 892 Hook. Install the
(2) 894Z-1 Snap Rings onto the ends of the 894 Pin,
and verify that both are fully seated in their grooves.
15) If the 891P Pin & Cable were damaged and
removed, you can now replace them. Securely
mount the coupling in a vise, as if mounted on a
vehicle. Place 891P Pin & Cable end over hole in
body and insert the 16DS Drive Screw into the hole
and tap into position until fully seated.
16) Test the coupling for proper operation, by opening
and closing it several times. If coupling operates
smoothly and correctly on all attempts, it is ready to
be mounted onto the vehicle and put into service.
17) If the 891P Pin cannot be inserted into 891 Handle
when in the locked position, or if the pawl is not fully
seated into the 892 Hook, then remove the hook,
grind a small amount (approx. 1/32” off the end of the
pintle), reinstall and test again.
18) Retest the coupling for proper opening and closing
operation. If coupling operates smoothly and
correctly on all attempts, it is ready to be mounted
onto the vehicle and put into service.
19) Use only new fasteners torqued to SAE
specifications when mounting the assembled
coupling to its mounting structure.
WARNING
:
Do NOT bind-up (jackknife) any application, as
stresses can cause damage to the hitch, drawbar
eye, other components or any combination of them.
Jackknifing may result in failure of products or
components, resulting in detachment of the trailer
while in use.
- Do not weld on any coupling assembly
- Always use Grade-8 fasteners properly torqued
- Do not apply lubricants to the coupling hook
- Clean & inspect coupling for damage & excessive wear prior to each and
every use
- Lubricate all coupling components at a minimum of 90 day intervals
- Do not bind-up (Jackknife) any application as stresses can cause damage
to products or components, resulting in failure and detachment of the trailer
while in use
Important GuIdelInes that apply to all premier non-air Couplings
