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

Start Enable, Run Enable, Over Temperature and Seat Delay (GM 328–D) Relays
Three (3) relays (start enable, run enable and over tem-
perature) are used  on the Groundsmaster 328–D and
Groundsmaster 345  to control  engine operation.  The
Groundsmaster 328–D  uses an additional  relay (seat
delay) to allow the engine  to continue to run when the
operator lifts from the seat momentarily. The relays are
attached to a bracket under the instrument panel next to
the battery. These relays are identical. Refer to electrical
schematics in Chapter  6 – Electrical  System for relay
identification.
86
85
87A
87
87
87A
86
85
30
30
Testing
Figure 5
Note:
Prior to taking small resistance readings with a
digital multimeter, short  the meter test leads  together.
The meter will display a small resistance value (usually
0.5
ohms or less). This resistance is due to the internal
resistance of the meter and test leads. Subtract this val-
ue from the measured value of the component you are
testing.
1.
Locate relay to  be tested. Disconnect the machine
wire harness connector from the relay.
2.
sistance between terminals 85 and 86 (Fig. 5). Resist-
ance should be between 70 and 90 ohms.
Using a multimeter (ohms setting), measure coil re-
3.
Connect multimeter (ohms setting) leads to relay ter-
minals 30 and  87. Ground terminal  86 and apply +12
VDC to terminal 85. The relay should make and  break
continuity between terminals 30 and 87 as +12 VDC is
applied and removed from terminal 85.
4.
Disconnect voltage from terminal 85 and multimeter
lead from terminal 87.
5.
Connect multimeter (ohms setting) leads to relay ter-
minals 30 and 87A. Apply +12 VDC to terminal 85. The
relay should make and break continuity between termi-
nals 30 and 87A  as +12 VDC is applied and  removed
from terminal 85.
6.
Disconnect voltage  and multimeter leads  from the
relay terminals. Reconnect  relay to machine wire har-
ness.
Groundsmaster 300 Series
Page 6A – 5
Electrical System (Rev. G)
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)
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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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