G4 Headlock Installation Guide
5DOC33150 Rev0
(800) 3-SENECA
(373-6322)
Page 1 of 2
Seneca Dairy Systems, LLC
senecadairysystems.com
Clamp On IUHM Kit
•
2½’’,3’’,4’’,weld on
or wood post
Step 1:
Determine mount height of top bracket based
on mounting height chart.
Step 2
: Mount top brackets in a straight line. Use laser if
available.
Hint: Mounting top brackets in a straight line will
greatly improve the ease of installation and performance of
lockups. Use laser level if possible. Do not follow concrete as
it often varies due to normal construction tolerances.
Lockup Mounting Height Chart:
Cow
Locks
Heifer
Locks
Calf
Locks
Weight
800 lbs-
1500 lbs
450 lbs-800
lbs
200 lbs-
450 lbs
Mounting
Height (A)
18’’ –
20’’
16’’
-
18’’
12’’
-
16’’
Clamp On UHM Kit
•
2½’’,3’’,4’’ or
wood post
Step 3
: Hang lockups on top
bracket with the
counterweight
on the cow side
. Install vertical
bolts, snug nuts to secure, but
do not tighten completely.
Step 4
: Trim bottom square
tube ends to fit between the
posts. Insert bottom clamp
into tube. Tip in between posts
and secure clamp. Once
bottom is secure, tighten bolts
in the top clamp.
