Toro 92801SL Rev I Groundsmaster 300 Series Groundsmaster 328 D Service Manual

Cylinder Head Servicing (Fig. 54)
1.
Use  a  spring  compressor  to  compress  the  valve
springs. Remove the retainer locks (keepers), retainers,
and valve springs. Place each part in a holder or rack
so that they can be replaced in their original position.
2. Remove the valves and place them in position in the
rack.  Examine  each  valve  for  indications  of  burning,
pitting, heavy carbon deposits or wear. The condition of
the valves can give important clues to other components
which  may  require  service  (example:  improper  valve
clearance,  worn  valve  guides,  damaged  seals,  etc.).
Remove the valve seals.
3. Remove all of the carbon deposits from the combus•
tion chamber using a scraper and wire brush.
Figure 54
4.
Clean the cylinder head thoroughly with solvent or
Checking cylinder head distortion
degreasing  solution  and  dry.  Inspect  it  carefully  for
cracks.
5.
Remove  all  carbon  deposits  from  the  valve  guide
bores with a valve guide cleaner. Use a valve guide
bristle brush to remove loosened carbon deposits in the
valve guide. Push a solvent soaked cloth through the
valve guides to remove all foreign materials.
6. Use compressed air to ensure that the oil passage
way through the head is not clogged.
Wear  eye  protection   during   use  of  com•
pressed  air.  Limit   air  pressure   to  40  psi
(280 kPa).
7. Check the flatness of the cylinder head lower surface
using a straight edge and feeler gauge. Be sure to check
the surface variation crosswise, lengthwise, and diago•
nally. If a surface flatness variation greater than 0.002
inch  (0.05  mm)  exists,  the  cylinder  head  or  cylinder
block must be replaced or resurfaced.
8. Use a micrometer and a small hole gauge to check
the valve guide to valve stem clearance. The valve and
valve guide should be replaced if the clearance exceeds
the following limits:
Intake Valve  . . . . . . . . . . . . . . . .  0.0039 inch (0.10 mm)
Exhaust Valve . . . . . . . . . . . . . . .  0.0059 inch (0.15 mm)
Cylinder Head Overhaul
Page 4 - 48
Groundsmaster® 300 Series
Product Specification
CategoriesLawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals
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- 402 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 92801SL Rev I Groundsmaster 300 Series Groundsmaster 328 D Service Manual SKU UPC Model
Michael on Nov 30, 2017. 34974

Need 328D. Manual pdf. Will rate after finding manual


barry on Feb 07, 2013. toro groundsmaster 322d

t has been a very reliable machine but getting parts is hard and not cheap to buy , generic parts has been cost effective and reliable , i am unable to get a wiring circut diagram for this unit as most problems are electrical problems


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