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

Oversized Pistons, Cylinder Bore and Rings (Fig. 73, 74, 75)
1. Check the piston for wear, signs of seizure or nicks.
Replace it if it is defective.
2. Measure the piston outside diameter. If the clearance
between the piston and the cylinder exceeds 0.01 18 in.
(.3 mm), replace the piston.
NOTE:  The  piston  O.D.  should  be  measured  at  the
lower  end of  the  skirt  across  the thrust faces, or  on
access points perpendicular to the piston pin direction.
3. Thoroughly clean the carbon deposits from the piston
and ring grooves. A ring groove cleaner, or piece of a
discarded ring may be used to clean the ring grooves.
Figure 73
Measuring piston outside diameter
4.
Measure  the  piston  ring  side  clearances  using  a
thickness gauge.
If the piston ring side clearance exceeds the service limit
in the chart below, the ring must be replaced.
NOTE: In the case of a tapered ring (No. 1), measure
the clearance on the bottom, or widest area of the ring.
Figure 74
Measuring piston ring side clearance
5. Measure the piston ring gap clearance. Insert the ring
into the least worn area of the cylinder by pushing it into
place  with  the  piston.  The  standard  gap  is  0.0059  -
0.0157 inch (0.15 - 0.4 mm). If the gap exceeds 0.0590
inch (1.5 mm) the ring must be replaced.
Figure 75
Measuring piston ring gap clearance
Cylinder Block Overhaul
Page 4 - 58
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
(2 votes, average: 5 out of 5)
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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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