Service Manual

Multi Pro 5800Page 7 − 60ExcelaRate Spray System
Spray Boom Hinge
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
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
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
Figure 58
FRONT
RIGHT
4
5
6
7
8
9
10
12
13
2
3
14
15
1
16
18
17
19
17
10
9
2
5
3
6
11
17
18
19
16
15
11
20
21
Disassembly (Fig. 58)
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. Remove fork and disconnect boom supply hose at
boom section valve. Remove and discard o−ring at hose
connection.
3. Record locations and remove any clamps or ties se-
curing nozzle supply hoses to center boom.
4. Support spray boom to prevent it from falling.
5. Loosen two (2) cap screws (item 10) and lock nuts
(item 11) to allow breakaway springs (item 16) to fully ex-
tend.
6. 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).
7. Clean all removed components. If pivot bracket was
removed, inspect bushings (item 6) and pivot pin
(item 12) for damage or wear.