Condition
Possible Cause
Correction
___________________________________________________________________________________________
Machine aerates, but aeration
hole depth is shallow or inconsis
tent (continued).
Low accumulator pre-charge or
damaged accumulator - TEST
NO. 1.
Charge accumulator with dry Ni
trogen. Rebuild or replace accu
mulator if necessary.
Low water system pressure AND
flow - TEST NO. 2.
Rebuild pump.
Low water system pressure (flow is
OK) - TEST NO. 2.
NOTE: When testing, make sure
cam is not holding water valve
open - rotate gear so cam is off of
valve lifter.
If water is exiting relief valve out
let hose, replace relief valve. DO
NOT attempt to adjust.
Rebuild water valve.
Low water system flow (pressure is
OK) - TEST NO. 2.
Check engine speed and correct
if necessary.
Rebuild pump.
Improper water valve lift - TEST
NO. 3.
Perform valve lift adjustment. Re-
pair valve or replace cam if nec
essary.
Worn or damaged water valve -
TEST NO. 2.
Rebuild water valve.
________________________________________________________________________________________________________________________________________________________
Water in gear case
(milky or brown color in oil)
Worn or damaged water valve low
pressure water seal and oil seal.
Rebuild water valve.
________________________________________________________________________________________________________________________________________________________
Oil leaking from below gear case
shim area.
Worn or damaged water valve oil
seal.
Rebuild water valve.
________________________________________________________________________________________________________________________________________________________
Water in pump crankcase
(milky or brown color in oil)
Worn or damaged water pump low
pressure seal or cracked ceramic
plunger.
Rebuild pump head and plunger
sleeves.
________________________________________________________________________________________________________________________________________________________
Engine dies when water system
is engaged.
Low engine RPM.
Throttle must be in FAST posi
tion. Adjust carburetor fast setting
to 3450 to 3550 RPM - no load.
Relief pressure too high - TEST
NO. 2.
Replace relief valve. DO NOT at-
tempt to adjust.
Low engine power.
Check for contaminated fuel,
plugged fuel filter or fuel line,
plugged air cleaner, bad spark
plug. (see Chapter 3 - Engine).
Jammed or siezed pump or gear-
case.
Inspect components and repair
as necessary.
Hydroject 3010
Page 6 - 11
Troubleshooting
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
|---|---|
| Tags | Toro Hydroject 3010 |
| Download File |
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| Document Type | Service Manual |
| Language | English |
| Product Brand | Toro. Customer Service Representatives are available by phone:
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| Publisher | toro.com |
| Wikipedia's Page | Toro Company |
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