Spray Boom Hinge - Toro Multi Pro 1750 Service Manual

Spray Boom Hinge

21
8
7
RIGHT
FRONT
1. Flange nut
2. Flange hd screw (4 per hinge)
3. Flange nut (4 per hinge)
4. Pivot bracket
5. Hinge (2 per boom)
6. Bushing (2 per pivot bracket)
7. Clevis pin
Disassembly (Fig. 35)
IMPORTANT: Make sure to remove and neutralize
chemicals from spray components before disas-
sembly. Wear protective clothing, chemical resist-
ant gloves and eye protection during repair.
1. Park machine on a level surface, stop spray pump,
lower spray booms, stop engine and engage parking
brake. Remove key from ignition switch.
2. Loosen hose clamp and remove supply hose from
tee fitting on spray boom (Fig. 36).
3. Support spray boom to prevent it from falling.
Spray System
14
12
6
1
6
3
4
5
9
10
8. Hair pin
9. Flat washer (2 per boom)
10. Cap screw (2 per boom)
11. Lock nut (2 per boom)
12. Pivot pin
13. Backing plate (4 per boom)
14. Flange head screw
18
19
16
19
15
11
17
2
2
17
Figure 35
4. Loosen two (2) cap screws (item 10) and lock nuts
(item 11) to allow breakaway springs (item 16) to fully ex-
tend.
5. Disassemble boom hinge as required. If pivot brack-
et (item 4) is to be removed from machine, disconnect
boom lift cylinder (not shown) from pivot bracket (see
Boom Lift Cylinders in Chapter 4 − Hydraulic System in
this manual).
6. Clean all removed components. If pivot bracket was
removed, inspect bushings (item 6) and pivot pin
(item 12) for damage or wear.
Page 6 − 50
11
15
10
16
9
17
5
18
13
15. Spring retainer (2 per boom)
16. Breakaway spring (2 per boom)
17. Grease fitting (2 per hinge)
18. Rubber boot (2 per hinge)
19. Dampener (2 per boom)
20. Spray boom (LH shown)
21. Boom frame
20
3
Multi Pro 1750