Servicing the HD Dual Point
Adjusters (DPA)
1.
Remove all parts (refer to
Installation Instructions
for HD DPA Kit Model 120-7230 and to
2.
Apply anti-sieze compound to the inside of
the bushing area on cutting unit center frame
(
).
3.
Align the keys on flange bushings to the slots in
the frame and install the bushings (
).
4.
Install a wave washer onto the adjuster shaft and
slide the adjuster shaft into the flange bushings
in the cutting unit frame (
).
5.
Secure the adjuster shaft with a flat washer and
locknut (
). Torque the lock nut to 20 to
27 N∙m (15 to 20 ft-lb).
Note:
The bedbar adjuster shaft has left-hand
threads.
g016926
Figure 33
1.
Shaft adjuster
4.
Apply anti-seize compound
here.
7.
Apply anti-seize compound
here.
10.
Compression spring
2.
Wave washer
5.
Flat washer
8.
Bedbar adjuster screw
11.
Spring tension nut
3.
Flange bushing
6.
Locknut
9.
Hardened washer
6.
Apply anti-seize compound to the threads of the
bedbar adjuster screw that fit into the adjuster
shaft.
7.
Thread bedbar adjuster screw into the adjuster
shaft.
8.
Loosely install the hardened washer, spring and
spring tension nut onto adjuster screw.
9.
Install the bedbar, positioning the mounting ears
between washer and bedbar adjuster.
10.
Secure the bedbar to each side plate with the
bedbar bolts (nuts on bolts) and 6 washers.
Note:
A nylon washer is to be positioned on
each side of the side plate boss.
11.
Place a steel washer outside each of the nylon
washers (
).
Note:
Torque bedbar bolts to 27 to 36 N∙m (240
to 320 ft-lb).
12.
Tighten the locknuts until the outside steel
washer stops rotating and end play is removed
but do not overtighten or deflect the side plates.
Note:
Washers on inside may have a gap
(
).
13.
Tighten the nut on each bedbar adjuster
assembly until the compression spring is fully
compressed, then loosen the nut 1/2 turn (
20