Toro 02103SL Rev A Reelmaster 2000 D Service Manual

Lift Circuit
The charge pump is part of the traction pump and is di-
rectly coupled  to it.  It supplies  hydraulic pressure  for
raising and lowering cutting units  and maintaining 100
to 150 PSI to the low pressure side of the traction circuit
(piston  pump).  The  charge  pump  takes  its   suction
through a filter from the reservoir.
of the control valve to the lower and outer portions of the
lift  cylinders. Hydraulic  pressure against  the  cylinder
pistons pushes the shafts out. At the same time, the pis-
tons push the hydraulic fluid in the upper and inner por-
tions of the lift cylinders out and through the control valve
to the piston pump suction. When the control valve lever
is released, spring action returns the spool to the center
position and by–passes  flow back to  the piston pump
suction. Lift cylinder movement is stopped. The cylinder
position is locked in place since there is no complete cir-
cuit of flow to and from the lift cylinders.
During conditions of not lifting or lowering cutting units,
flow from the charge pump goes to the lift control valve
and is by–passed (Fig. 8)  directly to the suction of the
piston pump and the charge relief valve.
Maximum lift/lower circuit pressure (475 PSI) is limited
by a relief valve in the lift relief manifold located near the
lift control valve.
Lower Cutting Units
Circuit operation for lowering the lift cylinders is similar
to  raising them.  However,  the control  valve  spool is
shifted up and flow is reversed to and from the lift cylin-
ders (Fig. 8), thus moving the cutting units down.
Raise Cutting Units
When the cutting units are to be raised, the control valve
spool is positioned down and flow is directed out the top
LIFT CIRCUIT (NEUTRAL POSITION)
LIFT CIRCUIT (LOWER)
Figure 8
Reelmaster 2000–D
Page 4 – 11
Hydraulic System
Product Specification
CategoriesLawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals
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- 208 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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Toro 02103SL Rev A Reelmaster 2000 D Service Manual SKU UPC Model
Krista Renzo on Nov 19, 2016.

Really needed this manual. Amazing that Toro would make it so easily available. Full of details.


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