Toro 05145SL Rev B Groundsmaster 3505 D Service Manual

Traction Circuit (Closed Loop) Component Failure
The Groundsmaster 3505--D traction circuit is a closed
loop system  that  includes the  hydrostat and  two (2)
wheel  motors. If  a  component in  the  traction circuit
should fail,  debris and  contamination from  the failed
component will circulate throughout the traction circuit.
This contamination can  damage other components in
the circuit so it must be removed to prevent additional
component failure.
Once the filter  has been placed in the  traction circuit,
place the machine on jack stands and operate the trac-
tion circuit to allow oil flow through the circuit. With the
machine raised off  the ground, the traction  circuit will
have maximum oil  flow at minimum pressure  to mini-
mize damage from any  remaining contamination. The
filter will  remove contamination  from the  closed loop
traction circuit during operation. Remove the filter from
the  machine after  contamination has  been  removed
from the traction circuit.
If a component failure occurs in the traction circuit, it is
critical that the entire traction circuit be disassembled,
drained and thoroughly cleaned to ensure that all con-
tamination is removed from the circuit. If any debris re-
mainsinthetractioncircuitandthemachineisoperated,
the debris can cause additional component failure.
IMPORTANT: When operating the traction system with
the high pressure filter installed, make sure that flow is
always directed through the filter (e.g. do not press the
tractionpedalinthereversedirectionifthefilterisplaced
for forward  direction flow).  If flow is  reversed, debris
from the filter will re--enter the traction circuit.
An additional step for removing all traction circuit con-
tamination would be to temporarily install  a high pres-
surehydraulicoilfilter(seeSpecialTools)intothecircuit.
The filter could be used when connecting hydraulic test
gauges in order to test traction circuit components or af-
ter replacing a failed traction circuit component (e.g. hy-
drostat  or  wheel  motor).  The  filter  will ensure  that
contaminates are  removed from  the closed loop  and
thus, do not cause additional component damage.
Hydraulic System
Page 4 -- 6
Groundsmaster 3505--D
Product Specification
CategoriesLawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals
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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
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Publishertoro.com
Wikipedia's PageToro Company
CopyrightAttribution Non-commercial
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