Toro 09172SL Models 30857 30858 Groundsmaster 4500 D 4700 D Service Manual

IMPORTANT: Use   caution  when   clamping   gear
pump in a vise to avoid distorting any pump compo-
nents.
8.  Clean  all parts.  Check  all components  for  burrs,
scoring, nicks and other damage.
9.
Replace the entire pump assembly  if parts are ex-
3.
Secure the front cover of the pump in a vise with the
cessively worn or scored.
drive shaft pointing down.
Assembly (Fig. 58)
4.
sembly.
Loosen the four (4) cap screws thatsecure pump as-
1.
sembling.
Apply clean hydraulic oil to all pump parts before as-
5.
Remove pump from vise and remove fasteners.
NOTE:  Pressure  seals  and  back--up  gaskets  fit  in
grooves machined into  thrust plates. Body seals  fit in
grooves machined in body faces.
6.
Supportthepumpassemblyandgentlytapthepump
case with a soft face hammer to loosen the pump sec-
tions. Be careful  to not drop  parts or disengage  gear
mesh.
2.
Apply grease or petroleum jelly to new section seals to
hold them in position during gear pump assembly.
Assemble pump sections starting at front cover end.
IMPORTANT: Mark the relative positions of the gear
teeth and the thrust plates so they can be reassem-
bledinthesameposition.Donottouchthegearsur-
faces as residue on hands may be corrosive to gear
finish.
3.
and nuts by  hand. Rotate the drive shaft  to check for
binding. Protect the shaft if using a pliers.
After pump has been assembled, tighten capscrews
4.
pattern to a torque of 33 ft--lb (45 N--m).
Tighten the four (4) cap screws evenly in a crossing
7.
Remove the thrust plates and seals from each pump
section. Before removing each gear set, apply marking
dye to mating teeth to retain  ”timing”. Pump efficiency
may be affected if the teeth are not installed in the same
position during assembly. Keep the parts for each pump
section together; do not mix parts between sections.
Groundsmaster 4500--D/4700--D
Page 4 -- 75
Hydraulic System
Product Specification
CategoriesLawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals
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- 298 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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