Servicing the HD Dual Point
Adjusters (DPA)
1.
Remove all parts (refer to the
Installation
Instructions
for the HD DPA Kit and to
2.
Apply anti-seize 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 frame of the cutting unit (
5.
Secure the adjuster shaft with a flat washer and
locknut (
).
6.
Torque the locknut to 20 to 27 N∙m (15 to 20
ft-lb).
Note:
The bedbar adjuster shaft has left-hand
threads.
g016926
Figure 38
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
7.
Apply anti-seize compound to the threads of the
bedbar-adjuster screw that fit into the adjuster
shaft.
8.
Thread the bedbar-adjuster screw into the
adjuster shaft.
9.
Loosely install the hardened washer, spring, and
spring tension nut onto the adjuster screw.
10.
Install the bedbar, positioning the mounting ears
between the washer and the bedbar adjuster.
11.
Secure the bedbar to each side plate with the
bedbar bolts (nuts on bolts) and 6 washers.
Note:
Position a nylon washer on each side of
the side-plate boss.
12.
Place a steel washer outside each of the nylon
washers (
).
13.
Torque the bedbar bolts to 37 to 45 N∙m (27 to
33 ft-lb).
14.
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:
The washers on the inside may have a
gap (
15.
Tighten the nut on each bedbar-adjuster
assembly until the compression spring is fully
compressed, then loosen the nut 1/2 turn (
23