Service and Repairs
General Precautions for Removing and Installing Air Conditioning System Components
4.
er installation after repairs are completed.
Put labels on disconnected lines and hoses for prop-
CAUTION
5.
left open or exposed to prevent system contamination.
Putcapsorplugsonanylines,fittingsorcomponents
The air conditioning system is under high pres-
sure. Do not loosen any system fitting or compo-
nent until after the system has been completely
discharged by a certified A/C service technician.
6.
If compressor is removed from machine, keep com-
pressor in the same orientation as the installed position.
Thiswillpreventcompressoroilfromfillingthecompres-
sor cylinders.
WARNING
7.
Note the position of fittings (especially elbow fittings)
before removal. Mark parts if necessary to make sure
theywillbealignedproperlywhenreinstallinghosesand
tubes.
Always wear safety goggles or a face shield
when working with air conditioning system com-
ponents. Also, do not allow refrigerant contact
with your skin or eyes as there would be the pos-
sibility of serious injury.
8.
and recycled refrigerants.
Always use a DOT approved tank for storing used
9.
TheGroundsmaster 4110--Dairconditioning system
uses R134a refrigerant. DO NOT use other refrigerants
in the system. A/C system capacity is approximately 1
pound 6 ounces (624 gm) of R134a refrigerant.
CAUTION
10.Refrigerant
containers (either full or empty) are un-
Never use compressed air to leak test or pres-
sure test the air conditioning system. Under cer-
tain conditions, pressurized mixtures of refriger-
ant and air can be combustible.
der pressure that will increase if the containers are
heated. DO NOT expose refrigerant containers to high
heat sources or flame.
11.
vent any accumulation of refrigerant or other fumes.
Be sure the work area is properly ventilated to pre-
1.
Before servicing any airconditioning system compo-
nents, park machine on a level surface, apply parking
brake, lower cutting decks or attachments and stop en-
gine. Remove key from the ignition switch.
12.Make
surehoseports.Thesecapspreventrefrigerantleakage
from the system.
sure that caps are always placed on the pres-
2.
Clean machine before disconnecting, removing or
disassembling any air conditioning system compo-
nents. Thorough cleaning will prevent system contami-
nation while performing service procedures.
13.The
drier--receiver component is used to collect
moisture that will reduce air conditioning performance.
If the air conditioning system is opened for component
repair or replacement, drier--receiver replacement is
recommended.
3.
Before loosening or removing any air conditioning
system hose or other component, have a certified air
conditioning service technician recover the system re-
frigerant and then evacuate the air conditioning system
completely. It is illegal to vent refrigerant to the atmo-
sphere.
14.After
installing air conditioning components, have a
certifiedairconditioningservicetechnicianevacuatethe
air conditioning system completely, properly recharge
the system with R134a refrigerant and then leak test the
system.
Groundsmaster 4110--D
Page 9 -- 3
Operator Cab
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
|---|---|
| Tags | Toro Groundsmaster 10177SL, Toro Groundsmaster 30447, Toro Groundsmaster 30449, Toro Groundsmaster 4100, Toro Groundsmaster 4110 D |
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| Document Type | Service Manual |
| Language | English |
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| Publisher | toro.com |
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