Toro 05145SL Rev B Groundsmaster 3505 D Service Manual

Procedure  for  Steering  and  Lift  Relief Pressure
Test:
12.Relieve hydraulic  system pressure (See  Relieving
Hydraulic System Pressure in the General Information
section). Disconnect T--connector with test gauge from
pump connection and hose. Reconnect hydraulic hose
to gear pump (P2).
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
2
3.
Read Precautions for Hydraulic Testing.
RIGHT
FRONT
WARNING
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.
1
4.
leading to the steering control valve (Fig. 30).
Disconnect  hose connection  on  gear  pump (P2)
Figure 30
1.
Gear pump (P2)
2.
To steering control valve
5.
Install T--connector with hydraulic pressure gauge in
series with the discharge of the gear pump and the dis-
connected hose leading to the steering control valve.
6.
Make sure steering wheel is positioned so the rear
wheel points directly ahead.
7.
50
Start engine and move throttle to full speed (3050 +
RPM).
IMPORTANT: Do not allow pressure to exceed 1500
PSI.
IMPORTANT: Hold steering  wheel at full lock  only
long  enough  to get  a  system  pressure  reading.
Holding the steering wheel against the stop for an
extended period may damage the  steering control
valve.
8.
steering wheel completely in one direction and holding.
Watch pressure  gauge carefully  while turning  the
9.
the relief valve lifts. Return steering wheel to the center
position.
System pressure should be from 845 to 995 PSI as
10.Shut
off engine. Record test results.
11.
If specification is not met, repair or replace steering
control valve (relief valve in steering control valve is not
replaceable).
Groundsmaster 3505--D
Page 4 -- 45
Hydraulic System
Product Specification
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- 210 pages
Document TypeService Manual
LanguageEnglish
Product BrandToro. 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 TypePDF
Publishertoro.com
Wikipedia's PageToro Company
CopyrightAttribution Non-commercial
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