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Rev. B
Page 3 -- 31.1 Workman 200 Spray SystemSpray System
Boom Valve Manifold Assembly (Serial Numbers Above 310000000)
Figure 32.1
1. Boom valve motor (3 used)
2. Hose barb (3 used)
3. Pressure gauge port
4. Flange
5. Flynut
6. Elbow fitting
7. Mounting bracket (2 used)
8. Balancing valve assembly
9. Flange
10. Fork (3 used)
11.Fork(6used)
12. O--ring (4 used)
13. O--ring (4 used)
14. O--ring (3 used)
15. Balancing valve assembly (2 used)
16. Washer (4 used)
17. Cap screw (4 used)
18. Lock nut (4 used)
19. Cap
2
3
6
8
9
10
11
13
1
5
7
12
14
15
16
17
18
4
1
1
16
12
12
12
18
7
11
13
NOTE: ARROWS SHOW FLUID
FLOW DIRECTION
19
The sprayer system for serial numbers above
310000000 uses three (3) boom valve motor assem-
blies to control the spray booms. Each boom valve mo-
tor assembly includes a motor section and a balancing
valve assembly.
The boom control switches on the operator spray con-
sole are used to energize the boom valve motors and
opentheboomvalves.Theopenboomvalvesallowsys-
tem flow to reach the appropriate boom section (right,
center or left).
Disassembly (Fig. 32.1)
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. Remove spray control assembly from machine and
separate boom valve manifold assembly from spray
control (see Spray Control Assembly (Serial Numbers
Above 310000000) Removal in this section).
2. Disassemble boom valve manifold assembly as
needed using Figure 32.1 as a guide. Discard all re-
moved O--rings and gaskets.
NOTE: There are limited replacement parts available
for boom valve motor assembly. C heck your parts cata-
log for parts that are available.
3. To remove cover from boom valve (Fig. 32.3):
A. Loosen three (3) screws that secure valve motor
cover to valve motor assembly.
B. Carefully lift and rotate cover from valve motor.