Hardi Eagle Boom, Operator'S Manual

9

EAGLE BOOM

Boom

Grease the points indicated in Fig 7. These are labelled
on the boom as well.

Fig 7

Break-away clutch

WARNING! Never place fingers into open break-
away clutch or you may be injured should clutch
snap closed.

1 Unfold the boom into the spray position.

2 Standing in front of the outer wing section, snap the

breakaway open by quickly pushing the wing away
from you.

3 With the two clutches opened up, stick the nozzle of

a grease gun into the clutch and apply a generous
amount of grease.

4 Apply oil to the top of the breakaway hinge to lubri-

cate the bushing.

25 Hours

Chain and sprocket

Oil the entire length of the chain and all of the sprocket.

Grease sprocket shafts only where indicated in Fig 8.

Fig 8

50 Hours

Gantry and centre frame

The grease on the gantry and centre frame should be
completely cleaned off with a degreasing solvent and
new grease applied. Follow the 

8 Hours steps for Gantry

and centre frame for applying the new grease.

Adjustments

IMPORTANT! To maximise boom life and perform-
ance, re-tighten all boom fasteners and inspect the
boom for proper adjustment after the first 8 hours
of use.

IMPORTANT! Make it a daily (8 hours) habit to
inspect the boom for need of adjustment.

IMPORTANT! Every 40 hours, the break-away
clutch cap screws (A Fig 14) must be torqued to 55
Nm to prevent boom damage.

Checking and adjusting sprocket timing

1 With boom unfolded in the spraying position and

standing on the front side of the boom, check to
ensure that on the 18-20 boom, the 7

th

 pin connec-

tion (A Fig 9) in the timing chain, is aligned with the
centre line between the sprocket cap screws (B Fig
9). For the 24-28 boom - 6

th

 pin.

2 To adjust timing, loosen turnbuckles on the front and

rear cables until slack.

3 18-20 boom:

 Standing on the front side of the

boom, position the 7

th

 pin (A Fig 9) of the timing

chain on the sprocket as indicated in step 1.
24-28 boom:

 Standing on the front side of the

boom, position the 6

th

 pin (A Fig 9) of the timing

chain on the sprocket as indicated in step 1.

4 Adjust front and rear cable tension (Refer to 

Adjust-

ing front fold cable (Page 10) and Adjusting rear
cable (Page 13)).

Fig 9

Aligning wing assemblies

1 With the boom unfolded and in the working position,

check alignment of the intermediate section with the
centre frame.

Right Wing Sprocket

Rear

B

A

Oil

Grease