Multi Pro 1200/1250 Page 6 -- 25 Spray System
Removal (Fig. 21)
IMPORTANT: Make sure to remove and neutralize
chemicals from tank and other components before
disassembly.Wearprotectiveclothing,chemicalre-
sistant gloves and eye protection during repair.
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 hoses to allow proper installation after repairs
arecompleted.Loosenhoseclampsandremovehoses
from hosebarbs that are to be disassembled.
4. Remove pressure relief valve from spray tank using
Figures 21 and 22 as guides. Discard all removed O--
rings and gaskets.
5. Disassemble relief valve using Fig. 23 as a guide.
Assembly (Fig. 21)
1. Assemble relief valve using Fig. 23 as a guide.
NOTE: CoatallO--ringswithvegetableoilbeforeinstal-
lationtoreducethechanceofdamageduringassembly.
2. Install pressure relief valve using Figures 21 and 22
as guides. Replace all removed O--rings and gaskets.
3. Using labels placed during disassembly, install
hoses to hosebarbs and secure with hose clamps.
4. Check spray system for leaks. Repair all leaks be-
fore returning the sprayer to service.
1. Hose to pressure relief
2. Hose from spray pump
3. Control supply hose
Figure 22
1
2
3
1. Housing
2. Relief valve cone
3. Spring
4. Relief valve seat
5. Nut
Figure 23
3
1
2
4
5
Spray
System
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