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IMPORTANT: Make sure to remove and neutralize
chemicals from tank and other components before
disassembly. Wear protective clothing, chemical re
-
sistant gloves, and eye protection during repair.
Removal (Fig. 16)
1. Park machine on a level surface, stop engine, en-
gage parking brake, and remove key from the ignition
switch.
2. Drain spray tank (see Operator’s Manual).
3. Label disconnected hoses for proper installation af-
ter repairs are completed.
1
2
4. Remove pressure relief valve from spray tank using
Figures 16 and 17 as guides. Discard all removed o–
rings and gaskets.
5. Disassemble relief valve using Figure 18 as a guide.
Assembly (Fig. 16)
NOTE: Coat all o–rings with vegetable oil before instal-
lation to reduce the chance of damage during assembly.
1. Replace relief valve components that are worn or
damaged. Assemble relief valve using Figure 18 as a
guide.
2. Install pressure relief valve using Figures 16 and 17
as guides. Replace all removed o–rings and gaskets.
3. Check spray system for leaks.
Figure 17
1. Pressure relief valve 2. Hose to pressure relief
5
3
2
4
1
Figure 18
1. Nut 4. Cone
2. Seat 5. Relief valve housing
3. Spring
Spray
System
Multi Pro 5700–D
Page 6 – 19
Spray System