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

Fuel Pump Test (Fig. 22)
1. Turn the ignition switch to the ON position. Test for
pump  operation  by  listening  for  the  pump  oscillating
sound, or by feeling for vibration which indicates the
pump is operating.
2. If no pumping action occurs when the ignition switch
is turned on, connect a 12 volt DC battery directly to the
pump (Fig. 22). If the pump now operates, check for an
electrical failure of the pump circuit, eg. fuses, connec•
tions, wires, etc.
3.
The delivery of the fuel pump may be checked by
disconnecting the fuel lines from the water separator
and fuel filter and routing them to a can of filtered diesel
fuel and a drain pan (Fig. 22). Activate the pump and
measure  the  amount  of  fuel  pumped  in  during  a  15
second time interval. The standard pump rate is approxi•
mately 8 ounces (225 cc) in 15 seconds.
Figure 22
4. If the fuel delivery rate is below the standard value
the pump should be disassembled and checked. (See
Fuel Pump Service in the Fuel System Repairs section
of this chapter.)
Thermostat Test (Fig. 23)
If the engine overheats and a faulty thermostat is sus•
pected, the thermostat should be tested.
1.
Remove the thermostat (see Thermostat Removal
and Installation in the External Engine Component Re•
pair section of this chapter).
2.
Put  the  thermostat  in  a  container  of  water  with  a
thermometer and heat the water (Fig. 23).
Valve cracking temperature:    76.5o C (177o F).
Full-open temperature:    90  C (194o F)
Valve lift:    8 mm (0.314 in.)
o
3. If the thermostat fails to open, only partially opens, or
sticks, it should be replaced.
Figure 23
Testing
Page 4 - 24
Groundsmaster® 300 Series
Product Specification
CategoriesLawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals
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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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