Toro Multi Pro 1200 - Page 113

Multi Pro 1200/1250 Page 6 -- 13 Spray System
Removal (Fig. 7)
IMPORTANT: Make sure to neutralize and remove
chemicals from pump and hoses before loosening
andremovingspraysystemcomponents.Wearpro-
tective clothing, chemical resistant 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. Loosen hose clamps that secure suction and pres-
sure hoses to hose barbs on pump fittings. Pull suction
and pressure hoses from hose barbs.
3. Remove lock nuts, flat washers, cap screws and
coupling spacers that secure rubber couplings to pump
hub (item 22).
4. Removeflangeheadscrewsandflangenutsthatse-
cure pump to pump mount bracket.
5. Remove spray pump from machine.
6. Loosensetscrewsinpumphub.Pullhubfrompump
shaft. Locate and remove key from pump shaft.
7. For assembly purposes,matchmarkfittings atpump
inletandoutlettomakesurethatthefittingswillbeprop-
erly aligned during pump installation. Also, matchmark
positionofteefitting(pressure)(item4inFig.9)atelbow
(pressure).
8. Remove pressure dampener, tee fitting (pressure)
andelbow (pressure)frompumpoutlet(Fig. 9).Discard
removed gasket.
9. Remove suction dampener and tee fitting (suction)
from pump inlet (Fig. 9). Discard removed O--ring and
seal.
Installation (Fig. 7)
NOTE: CoatallO--ringswithvegetableoilbeforeinstal-
lationtoreducethechanceofdamageduringassembly.
1. Apply thread sealant to threads of elbow (pressure)
and install elbow into pump outlet (Fig. 9). Use match-
mark made during pump removal to properly orientate
elbow.
2. Apply RTV silicone sealant to threads of tee fitting
(pressure) that will thread into elbow (pressure) and
install fitting into elbow (Fig. 9). Use matchmark made
during pump removal to properly orientate tee fitting.
Installpressuredampener(withnewO--ring) andhose-
barb (with new gasket) to tee fitting.
1. Elbow (pressure) 2. Suction hose
Figure 8
2
1
1. Spray pump
2. Elbow (pressure)
3. O--ring
4. Tee fitting (pressure)
5. Gasket
6. Hosebarb
7. Nut
8. Hose clamp
9. Pressure hose
10. Pressure dampener
11. O--ring
12. Seal
13. Hosebarb
14. Suction hose
15. Hose clamp
16. Nut
17. Suction dampener
18. O--ring
19. Tee fitting (suction)
Figure 9
1
2
3
6
8
9
10
11
13
5
7
12
4
14
15
16
17
18
19
Thread
Sealant
Thread
Sealant
RTV Silicone
Sealent
Spray
System