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Rev. D
Multi Pro 5700--D Page 6 -- 23 Spray System
IMPORTANT: B oom valve motors may have a fuse
for circuit protection. Make sure that correct fuse is
installed in the in--line fuse holder located in the
boom valve motor harness.
The boom control switches on the operator spray con-
sole are used to energize the boom valve motors and
openthe boom valves.The openboom valvesallow sys-
tem flow to reach the appropriate boom section (right,
center or left). Two (2) styles of boom valve motors have
been used onMulti Pro 5700--D machines. Bothof these
motor styles are shown in Figure 24.
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.
Disassembly (Fig. 24)
1. Remove boom valve motor assembly from machine
(see Spray Control Assembly in this section).
2. Separate boom valve motors as needed using Fig-
ure 24 as a guide. Discard all removed O--rings andgas-
kets.
3. See Boom and Agitation Valve Motors in this section
for disassembly and assembly information of boom
valve motor.
Assembly (Fig. 24)
NOTE: Coatall O--rings with vegetable oil before instal-
lation to reducethe chanceof damage duringassembly.
1. Assemble boom valve motor assembly using Figure
24 as a guide. Replace all removed O--rings.
A. On machines with serial numbers below
310000000, before installing rod (Item 22) into as-
sembly, thread nut (item 16) fully onto rod end that
has fewer threads. Make sure that O--ring (Item 20)
is not damaged during installation over rod.
2. Install boom valve motor assembly on machine (see
Spray Control Assembly in this section).
3. Operate spray system and check for leaks.
1. Agitation valve motor
2. LH boom valve motor
3. Center boom valve motor
4. RH boom valve motor
5. RH boom supply hose
6. Center boom supply
7. LH boom supply hose
Figure 25
1
5
4
3
2
7
6
SERIAL NUMBER BELOW 310000000
Figure 26
1
5
4
3
2
SERIAL NUMBER ABOVE 310000000
6
7
1. Agitation valve motor
2. LH boom valve motor
3. Center boom valve motor
4. RH boom valve motor
5. RH boom supply hose
6. Center boom supply
7. LH boom supply hose
Spray
System