TORO Hydroject® 3000/4000 Water System Testing 77
Review Questions
1.
Minimum water system inlet flow is:
6. Low water system pressure is caused by :
A. 4.3 GPM.
B. 3.4 GPM.
C. 5.4 GPM.
D. 1.1 GPM.
A. Leaking relief valve.
B. Low water supply flow.
C. Low pump output.
D. Worn injection nozzles.
E. All of the above.
2.
Accumulator pre-charge pressure is:
F. None of the above.
A. 5000 PSI.
B. 1000 PSI.
C. 90 PSI.
7. Normal operating pressure of the water system
while aerating is:
D. 2500 PSI.
A. 5000 to 5500 PSI.
B. 3500 to 4000 PSI.
C. 2500 to 3500 PSI.
D. 1000 to 3000 PSI.
3.
Maximum water system relief valve pressure
setting is:
A. 5000 PSI.
B. 1000 PSI.
C. 90 PSI.
8. Low valve lift is caused by:
A. Water valve housing not correctly shimmed to
cam housing.
D. 2500 PSI.
B. Worn cam lobe.
4.
Correct valve lift is:
C. None of the above.
D. All of the above.
A. .125 .250.
B. .090 - .102.
C. .009 - .0102.
D. .0125 - .0250.
9. High accumulator pressure is caused by:
A. Water leaking past the seals and collecting on
top of the piston.
5.
Low accumulator pre-charge pressure is cause
by:
B. Accumulator overcharged with nitrogen.
C. Leaking water relief valve.
D. Accumulator undercharged with nitrogen.
E. Both A & B.
A. Water leaking past the seals and collecting on
top of the piston.
B. Accumulator overcharged with nitrogen.
C. Leaking water relief valve.
10. The Accumulator pre-charge may decrease
because of normal operational losses.
D. Accumulator undercharged with nitrogen.
A. True.
B. false.
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
|---|---|
| Tags | Toro 3000, Toro 4000, Toro 97928SL |
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| Document Type | Catalog |
| Language | English |
| Product Brand | Toro. Customer Service Representatives are available by phone:
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| Publisher | toro.com |
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