Toro 98957SL Rev B Sand Pro 2020 3020 5020 Service Manual

Flush Hydraulic System
IMPORTANT: Flush   hydraulic   system   any   time
there is a severe component failure or the system is
contaminated (oil  appears milky  or black  or  con-
tains metal particles).
11.  Connect both spark plug leads to spark plugs.
Start engine and let it idle at low speed (1750 + 50
RPM) for a minimum 2 minutes. Increase engine speed
to high idle (3150 + 50 RPM) for  minimum of 1 minute
under no load.
12.
IMPORTANT: Flush hydraulic system when chang-
Ing from  petroleum  base hydraulic  fluid. Operate
machine under normal  operating conditions for at
least four (4) hours before draining.
13.
14.
Raise and lower attachments several times.
Shut off  engine and check  for hydraulic oil  leaks.
Check oil level  in hydraulic tank  and add correct oil  if
necessary.
1.
ments, stop engine, and engage parking.
Park  machine on  a  level surface.  Lower  attach-
15.
Operate the machine for 2 hours under normal oper-
CAUTION
ating conditions.
16.
Check  condition of  hydraulic oil.  If  the new  fluid
shows any signs of contamination, or if you are changing
to biodegradable fluid, repeat steps 1 through 16 again.
Operate all hydraulic controls to relieve system
pressure and avoid injury  from pressurized hy-
draulic oil. Controls  must be operated  with the
ignition switch in OFF. Remove key from the igni-
tion switch.
17.
Assume   normal   operation   and   follow  recom-
mended maintenance intervals.
IMPORTANT: Make  sure  to clean  around  any hy-
draulic connections  that will  be disconnected  for
draining.
2.
Drain hydraulic tank (see Hydraulic Tank Removal).
3.
Make sure lift cylinder, lift valve, hydrostat, oil cool-
er, wheel motors, hoses, and tube lines are drained into
a suitable container while the system is warm.
4.
Remove oil filter and drain into a suitable container.
Discard filter (see Change Hydraulic System Fluid and
Filter).
5.
Inspect and clean tank (see Hydraulic Tank Inspec-
tion).
6.
Install new oil filter and drain into a suitable contain-
er. Discard filter  (see Change Hydraulic  System Fluid
and Filter).
NOTE:  Use only hydraulic fluids (including biodegrad-
able)  specified in  Checking  Hydraulic  System  Fluid.
Other fluids may cause system damage.
7.
Reconnect all hydraulic  hoses, lines, and  compo-
nents that were disconnected prior to draining.
8.   Fill  hydraulic  tank  with  new  hydraulic fluid  (see
Change Hydraulic System Fluid and Filter).
9.
Disconnect both spark plug leads from spark plugs.
Turn ignition key switch;  engage starter for 10 se-
10.
conds to the prime hydrostat. Repeat this step again.
Sand Pro 2020/3020/5020                                       Page 4 – 47
Hydraulic System (Rev. A)
Product Specification
CategoriesLawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals
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- 170 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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