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5

•  Assemble the boom bars to the boom mount bracket 

using two 5/16" x 1-1/4" carriage bolts, tooth lock 
washers (between the bar and bracket), 5/16" flat 
washers and knobs. The boom connecting hose 
should extend upward. See figure 6.

  
NOTE:  Make sure the nozzle openings face straight 
down when the boom bars are in the horizontal operating 
position. 

•  At this time 

tighten all bolts starting with the bolts in 

figure 2, then the bolts in figure 3.

•  Install the drain in the rear of the tank as shown in 

figure 4. Place a 3/4" garden hose gasket onto the 
drain body and insert the drain body out through the 
hole in rear of the tank. Outside the tank, assemble 
the nylon washer and then the nylon nut onto the 
drain body. Tighten the nut securely enough to prevent 
leaking, being careful not to damage the plastic parts. 
Place the O-ring inside the nylon cap and screw the 
cap onto the end of the drain body. 

•  Fasten the ends of the hitch arms together using two 

5/16" x 1-1/4" hex bolts and 5/16" nylock nuts. 

tighten yet. See figure 3.

•  Assemble the hitch brackets to the hitch arms using 

two 5/16" x 2" hex bolts and 5/16" nylock nuts. 
Position each bolt behind one of the cross bolts in the 
hitch arms. 

Do not tighten yet. See figure 3.

 

•  Assemble the boom mount bracket to the rear of the 

hitch tubes using two 5/16" x 2" hex bolts and 5/16" 
nylock nuts. See figure 5.