Procedure for Manifold Relief Valve (R1) Pressure
Test:
10.Relieve hydraulic system pressure (See Relieving
Hydraulic System Pressure in the General Information
section). Disconnect tester from manifold and hose.Re-
connect hydraulic hose that was disconnected for test
procedure.
1.
Make sure hydraulic oil is at normal operating tem-
perature.
2.
lowered and off. Make sure engine is off and the parking
brake is engaged.
Parkmachineonalevelsurfacewiththecuttingunits
1
3.
Read Precautions for Hydraulic Testing.
WARNING
2
Before disconnecting or performing any work
on the hydraulic system, all pressure in the
system must be relieved. See Relieving Hy-
draulic System Pressure in the General Infor-
mation section.
Figure 22
1.
Hydraulic manifold
2.
Manifold port (M1)
4.
Disconnect hose connection from hydraulic fitting on
manifold port (M1) (Figure 22).
NOTE: Analternativetousingmanifoldport(M1)would
be to disconnect the inlet hydraulic hose to the front, left
deck motor. The motor inlet is opposite from the relief
valve on the motor (Figure 24).
1
5.
with the hose and hydraulic fitting. Make sure the flow
control valve on tester is fully open.
Install hydraulic tester (pressure and flow) in series
CAUTION
2
Keepawayfromdecksduringtesttopreventper-
sonal injury from the cutting blades.
Figure 23
1.
Hydraulic manifold
2.
Manifold port (M1)
6.
50
Start engine and move throttle to full speed (3050 +
RPM). Engage the cutting units.
7.
Watch pressure gauge carefully while slowly closing
the flow control valve to fully closed.
3
8.
System pressure should be from 3350 to 3600 PSI
as the relief valve lifts.
A. If specification is not met, shut off engine and
clean or replace solenoid cartridge valve (R1) valve
(see Hydraulic Manifold Service in the Service and
Repairs section). Return to step 5.
2
1
B. If this specification is met, proceed to step 9.
9.
results.
Disengage cuttingunits.Shutoffengine.Recordtest
Figure 24
1.
2.
Hydraulic deck motor
Inlet hose
3.
Relief valve
Groundsmaster 3505--D
Page 4 -- 37
Hydraulic System
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
|---|---|
| Tags | Toro Groundsmaster 3505 D |
| Download File |
|
| Document Type | Service Manual |
| Language | English |
| Product Brand | Toro. Customer Service Representatives are available by phone:
Monday - Friday 7:30 a.m. to 9:00 p.m. (CDT) - Saturday 8:00 a.m. to 8:00 p.m. (CDT) - Sunday 10:00 a.m. to 8:00 p.m. (CDT)
Canada 1-888-225-4886 USA 1-888-384-9939, Lawn Mower |
| Document File Type | |
| Publisher | toro.com |
| Wikipedia's Page | Toro Company |
| Copyright | Attribution Non-commercial |
(0 votes, average: 0 out of 5)