Smithco Spray Star 1750 (sn 175G046 – 175G072) Parts & Service Manual - Manual (Page 59)

57
Accessories
17-503 20' SPRAY BOOM PARTS LIST
REF# PART# DESCRIPTION QUANTITY
29 HBS-12-13-550 Stainless Steel Bolt 1 /
2
- 13 x 5 1 /
2
2
HNCL-12-13 Center Lock Nut 1 /
2
- 13 2
30 15-495 Extension Spring 2
31 15-812 Right Cam Stop (must also order 15-811) 2
15-811 Left Cam Stop (must also order 15-812) 2
18-268 Oilite Bushing (part of 15-812) 2
HMB-100-10 Machine Bushing 1 x 10GA 2
32 33-302 Left Pivot Bracket 1
33 HPS-18-100 Cotter Pin 3 /
8
x 1 2
34 18-411 Stainless Steel Pipe Elbow 3 /
4
x 45° 2
35 11-180 Right-hand Linear Actuator with 4" Stroke 1
INSTALLATION INSTRUCTION
For best results use Teflon ® tape on all fittings.
1. The three boom assemblies are not on the packing list but are in carton. The long boom assemblies are
the right and left booms. The labels are located on right and left pivot brackets (Ref 20 and 32). The small
boom assembly is the center boom. You can NOT order these boom assemblies as one unit. Please refer
to parts drawing for individual parts.
2. Mount small boom assembly to rear upright support on sprayer using four boom brackets (Ref 10), four
bolts, 3 /
8
- 16 x 5 1 /
2
and four lock nuts, 3 /
8
- 16 (Ref 26). One boom bracket should go on boom assembly
and one on upright support of sprayer. Do the same for right and left side. Place boom at desired level
(approximately 20" (51 cm) nozzle height) and center. Tighten bolts.
3. The actuator brackets are incorporated into the boom holders (Ref 6 and 12) on the center mount (Ref 11)
using 3 /
8
- 16 x 1 1 /
4
bolts, washers and lock nuts, with washers over the slots. Snug up the bolts so that
you can adjust the boom holders with the set screws (Ref 24) on the center mount after booms have been
mounted.
4. Take right boom and slide pivot bracket (Ref 21) in center mount (Ref 11) and hold in place with
1 /
2
- 13 x 5 1 /
2
bolt and 1 /
2
- 13 center lock nut (Ref 29). Do not over tighten, boom must be able to move up
and down. Repeat for left boom.
5. Mount actuator (Ref 13) fixed end to actuator bracket and ram end to pivot bracket using 1 /
2
x 2 1 /
4
clevis
pins and 1 /
8
x 1 cotter pins (Ref 8). It may be necessary to lift boom slightly for proper fit. Repeat process
for other boom.
6. Hook hoses to respective fittings using hose clamps (18-040). The hose coming from right side of sprayer
goes to straight fitting on right boom. Center hose from sprayer goes to straight fitting on center boom.
The left hose from sprayer goes to straight fitting on left boom. Be sure all clamps are tight.
7. Connect wire harness to actuator. Use two nylon ties (22-075) to hold wire to fixed end of actuators.
8. Use boom switches to completely extend actuator and lower booms.
9. Using set screws (Ref 24) adjust actuator brackets so nozzles of booms are at same height with nozzles
of center section. Tighten bolts holding actuator brackets to center mount and locknuts on set screws.
10. Make certain set screws on the pivot brackets (Ref 21) on both sides are completely screwed in. Raise
booms with boom switches all the way up, adjust set screws (Ref 24) so they contact the stop.