Smithco Spray Star 3180 (sn 300G056 – 300G065) Parts & Service Manual - Manual (Page 67)

65
Accessories
INSTALLATION INSTRUCTIONS
For best results use Teflon ® Tape on all fittings.
1. The three boom assemblies are not on the packing list but are in carton. You can NOT order these boom
assemblies as one unit. Please refer to parts drawing for individual parts. The long boom assemblies are
the right and left booms. The labels are located on right and left pivot brackets (Ref 14 and 26). The
small boom assembly is the center boom. Each assembly is shipped with the nozzle bodies (16-996).
The remainder parts of the nozzles need to be installed.
2. Mount small boom assembly to the boom carriers on sprayer, using the four boom brackets (Ref 19),
four 3 /
8
- 16 x 5 1 /
2
bolts and lock nuts (Ref 18). One boom bracket should go on boom assembly and one
on boom carrier. Do the same for right and left side. Place boom at desired level (approximately 20" (51
cm) and be sure it is centered. Tighten bolts.
3. Put the boom holders (Ref 32 and 35) on the center mount (Ref 20) using 3 /
8
- 16 x 1 1 /
4
bolts, washers
and lock nuts (Ref 34), with washers next to slots. Center the bolts in the slots and tighten. The set
screws (Ref A) on the center mount should be tightened to the stop. It is used to set the up and down
movement of the boom at the castor wheel. The range of the boom is approximately 32" total (16"
up and 16" down). This can be adjusted by moving the boom holders. In will increase the up range. Out
will increase the down range.
4. Take right boom and slide pivot bracket (Ref 38) in the center mount (Ref 20) and hold in place with 1 /
2
-
13 x 6 bolt and lock nut (Ref 23). Do not over tighten, boom must be able to move up and down. Repeat
for left boom. You may need to loosen the pivot (Ref 40) to install
1 /
2
- 13 x 6 bolt due to interference
with the cam stops (Ref 41 and 42).
5. Mount the actuator (Ref 33) with the fixed end to the right and left boom holders (Ref 35 and 32) using
1 /
2
x 2 clevis pin and cotter pin. Mount the ram end to the pivot brackets (Ref 38) using 1 /
2
x 2 3 /
4
clevis pin
and cotter pin (Ref 25) with the 1 /
2
x 14GA machine bushing on the outside of the pivot brackets.
6. Hook hoses to the respective fittings using hose clamps (18-040). The hose coming from the right side
of the sprayer goes to the straight fitting on the right boom. The center hose from the sprayer goes to the
straight fitting on the center boom. The left hose from the sprayer goes to the straight fitting on the left
boom. Be sure all hose clamps are tight.
7. Now install the wiring harness. Refer to the wiring diagram.
8. Lower the booms so that the ends are at a height that you can work at.
9. Put the left castor wheel bracket (Ref 28) onto the left boom as shown. Using two 3 /
8
- 16 x 1 3 /
4
bolts and
lock nuts (Ref 12) and one u-bolt, two 5 /
16
stainless steel lockwashers and stainless steel 5 /
16
- 24 nuts
(Ref 27). Repeat for the right boom with the right castor wheel bracket (Ref 11) using the same hard-
ware.
10. Put the assembled castor forks into the castor wheel brackets, adjusting the spacers to get the boom
height you desire.
11. Make certain set screws (Ref B) on both sides are completely screwed in. Raise booms with boom
switches all the way up. Adjust set screws (Ref B) so they contact the stop and lock.
12. Install center stabilizer mount (Ref 45) onto center boom (Ref 20) with the 3 /
8
- 16 x 3 bolt, washers and
lock nuts.
13. Place stabilizers (Ref 46) into pivot brackets (Ref 38) with 5/8 - 11 x 3 bolts, machine bushings and lock
nuts (Ref 47). Place rod end of stabilizers into center stabilizer mount. Make sure all bolts are tight.
BOOMS WILL NOT FOLD FORWARD!!
SPRINGS CAN BE DAMAGED.