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

Control Rack Smoke Set and Ungleich Device
(Fig. 42, 43, 44)
The injection pump on the is equipped with a mecha•
nism that allows for over injection of fuel during starting,
and thereafter limits the amount of fuel delivered during
operation to reduce excessive exhaust smoke. These
devices, the smoke set plate and Ungleich set plate, are
located on the side of the injection pump and operate
by limiting the travel of the control rack.
The Ungleich device requires that the engine be OFF,
either with the key switch or emergency stop lever, in
order for the control rack to travel completely to the left
(over-injection). Once started, the action of the governor
causes the control rack to move to the right (less fuel)
until  the  corner  of  the  smoke  set  plate  engages  the
shoulder of the Ungleich set plate. The amount of control
rack movement is now restricted by the locations of the
smoke set plate and the Ungleich set plate.
Figure 42
During extreme loading the control rack will overcome
the  tension  on  the  smoke  set  spring  and  slightly  in•
crease the amount of fuel delivered to the cylinders. This
fuel increase is determined by the Ungleich set plate
and is referred to as Ungleich Effect “L” (length).
Figure 43
Figure 44
Groundsmaster® 300 Series
Page 4 - 39
Fuel System Service
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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