Operator's Manual

cylinder should star t stroking man ually or b y
exter nal pressure at this time .
3. Once the original position of the actuator
is reco v ered, close the man ual relief v alv e .
T or que the v alv e to 1.1-2.1 ft-lb (1.5-2.9 N ⋅ m).
Inspecting the Nylon Pivot
Bushings
Inspect the nylon pi v ot bushings in the center
boom ev er y 400 hours and/or yearly for damag e .
1. P osition the spra yer on a lev el surface , set the
parking brak e , stop the pump , stop the engine ,
and remo v e the ignition k ey .
2. Extend the booms to the spra y position and
suppor t the booms using stands or straps from
a lift.
3. With the w eight of the boom suppor ted,
remo v e the bolt and n ut securing the pi v ot pin
to the boom assembly ( Figure 47 ). R emo v e the
pi v ot pin.
Figure 47
1. Pivot pin
4. Nylon bushing
2. Bolt 5. Pivot bracket
3. Nut
4. R emo v e the boom and pi v ot brac k et assembly
from the center frame to access the nylon
bushings .
5. R emo v e and inspect the nylon bushings from
the front and bac k sides of the pi v ot brac k et
( Figure 47 ). R e place any damag ed bushings .
6. Place a small amount of oil on the nylon
bushings and install them into pi v ot brac k et.
7. Install the boom and pi v ot brac k et assembly
into the center frame , aligning the openings
( Figure 47 ).
8. Install the pi v ot pin and secure it with the bolt
and n ut remo v ed previously .
R e peat the procedure for eac h boom.
Cleaning
Cleaning the Flowmeter
Occasionally , the flo wmeter ma y need to be
cleaned to remo v e an obstr uction.
1. R emo v e the retaining cap from the flo wmeter
body ( Figure 48 ).
Figure 48
1. Retaining cap
3. Flowmeter body
2. Paddle wheel assembly
2. Carefully pull the paddle wheel assembly from
the body .
3. Use w ar m w ater , a soft-bristled br ush, and
a mild deterg ent as necessar y to clean the
flo wmeter body and paddle wheel. R emo v e
any small metallic debris .
Important: Do not use solv ents or fuel
to clean the flo wmeter .
4. Install the paddle wheel assembly into the
flo wmeter body .
Important: T he paddle wheel assembl y
will onl y fit into the body one w ay , in a
detent slot on the side of the body . Do not
f orce the paddle wheel assembl y into the
body in an y other orientation.
5. Install the retaining cap .
46