Procedure for Gear Pump (P1) Flow Test:
Make sure hydraulic oil is at normal operating tem-
CAUTION
1.
perature by operating the machine for approximately 10
minutes.
Donotengagethecuttingunitswhenperforming
this test.
2.
Park machine on a level surface with the cutting
units lowered. Make sure engine is off and the parking
brake is engaged. Make sure the hydraulic tank is full.
7.
50
Start engine and move throttle to full speed (2850 +
RPM).
8.
ing the flow control valve on the tester until 2000 PSI
(138 bar) is obtained.
Watch pressure gauge carefully while slowly clos-
CAUTION
Before continuing further, read and become fa-
miliar with Precautions for Hydraulic Testing.
9.
cord test results.
Flow indication should be 5.8 GPM minimum. Re-
3.
Ongearpump(P1)(reeldrive),disconnect thehose
10. Open control valve on tester and shut off engine.
that leads to port P1 on the hydraulic manifold.
11.
If flow was less than 5.8 GPM or a pressure of 2000
4.
disconnected hose. Make sure the flow control valve
on the tester is fully open.
Install tester in series with gear pump (P1) and the
PSI (138 bar) cannot be obtained, check for restriction
in the pump intake line. If line is not restricted, remove
pump and repair or replace as necessary.
5.
backlap knob on the manifold block is in the mow posi-
On machines with backlap capabilities, make sure
12. If testing is complete, disconnect tester from gear
pump and hose. Reconnect hose to the pump.
tion and reel speed is set to maximum.
6.
Make sure tester load valve is fully open before
starting the engine.
Greensmaster 3150
Page 4 -- 41
Hydraulic System (Rev. E)
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
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| Tags | Toro Greensmaster 3150 |
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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 |
| Copyright | Attribution Non-commercial |
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