Toro 41188, Service Manual

Page: 194 / 353

Multi Pro 1750 Page 6 − 20 Spray System
Pressure Relief Valve
1. Pressure relief valve
2. Fork − S67 (8)
3. O−Ring − S67 (8)
4. Connector
(2)
5. Tee (2)
6. Straight fitting (2)
7. Elbow
(2)
8. Hose clamp (4)
9. Hose (from pump)
10. Hose (to spray control manifold)
11. Hose (to tank)
12. Hose (from rate valve)
Figure 10
FRONT
RIGHT
1
2
3
4
5
6
7
8
9
10
11
12
2
2
3
3
3
3
4
5
6
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8
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8
The spray system pressure relief valve is a non ad-
justable, non repairable component. When spray sys-
tem pressure exceeds the pressure limit of 218 PSI (15
Bar), the valve opens and spray product is directed to
the spray tank. Replace the pressure relief valve if sys-
tem pressure exceeds the pressure limit (valve not
opening), or if desired system pressure near the pres-
sure limit is not attainable (valve not closing). IMPORTANT: Make sure to remove and neutralize
chemicals from spray components before removing
the pressure relief valve. Wear protective clothing,
chemical resistant gloves and eye protection during
repair.
NOTE: Replace, do not reuse O−rings. Coat O−rings
with vegetable oil before installation to reduce damage
during assembly.