7
5000-070 ASSEMBLY INSTRUCTIONS
JD 40/90 SERIES
– CALMER
NOTE:
SUPPORT THE FRONT OF THE ROW UNIT BEFORE LOOSENING ANY MOUNTING HARDWARE.
DIFFERENT MOUNT LOCATIONS MAY BE NECESSARY IF CLEARANCE ISSUES ARE FOUND.
Step 1
: Remove the mounting hardware for each gear box where the Yetter torsion pivot assembly will be
mounted (see torsion pivot locations on pages 10
– 11 that match your devastator kit). Install the 5000-284
Calmer Adaptor Bracket on the bottom side of the frame sliding the threaded rod through each hole of the
straps on the front of the frame and hand thread the 2502-397 5/8
– 11 X 5 ½ bolts with original lock washer
into the gear box. Slide the holes in the upright tab on the 5000-285 over the threaded rod of the 5000-284 &
hand tighten new lock washers & hex nuts.
Step 2
: Place the 5000-167 torsion pivot assembly on the 5000-285 adaptor aligning all 4 holes. Thread by
hand the 2502-810 M16 X 2 X 30 bolts on the front set of holes. Place the spacer between the 5000-284
calmer adaptor bracket & the 5000-285 adaptor. Thread by hand the 2502-809 M16 X 2 65 bolts. Tighten the
hardware from steps 1 & 2 to torque spec in the following order: A
– 1
st
, B
– 2
nd
, C
– 3
rd
, D
– 4
th
.
Step 3
: Refer to page 13 for instructions on installing the 5000-292 torsion arm.