20A-1
20A-1
TX / TXH / TXB 180S - 400L (Rev. 4/23/07)
TX / TXH / TXB 180S - 400L (Rev. 4/23/07)
approved
approved
agency
agency
.
.
Compressor.
Compressor.
The compressor is belt driven and
The compressor is belt driven and
circulates the refrigerant through the air condition-
circulates the refrigerant through the air condition-
ing system
ing system
when its clut
when its clut
ch is engaged.
ch is engaged.
It receives
It receives
a cool, low pressure gas and pumps a hot, high
a cool, low pressure gas and pumps a hot, high
pressure gas to
pressure gas to
the condenser
the condenser
.
.
When the
When the
thermo-
thermo-
stat signals for cooling, an electrical signal is sent
stat signals for cooling, an electrical signal is sent
to the compressor clutch, engaging the clutch and
to the compressor clutch, engaging the clutch and
driving the compressor.
driving the compressor.
NOTE:
NOTE:
Any time repairs
Any time repairs
are made to
are made to
the air con-
the air con-
ditioning system which require the recovery of the
ditioning system which require the recovery of the
refrigerant, it is
refrigerant, it is
recommended that the drier
recommended that the drier
be
be
changed and 4 ounces (118 milliliters) of AC ester
changed and 4 ounces (118 milliliters) of AC ester
lubricating oil be
lubricating oil be
added to the
added to the
dryer.
dryer.
Condenser.
Condenser.
The condenser
The condenser
, mounted
, mounted
on the
on the
back of the cab, changes the refrigerant from a
back of the cab, changes the refrigerant from a
hot, high pressure gas (from the compressor) to a
hot, high pressure gas (from the compressor) to a
warm, high pressure liquid (to the drier) by cooling
warm, high pressure liquid (to the drier) by cooling
the refrigerant.
the refrigerant.
The condenser
The condenser
is powered
is powered
by
by
12 VDC
12 VDC
from a
from a
30 amp circuit breaker (CB24).
30 amp circuit breaker (CB24).
Drier.
Drier.
The drier stores
The drier stores
a volume of
a volume of
refrigerant.
refrigerant.
Additionally, it filters and removes moisture from
Additionally, it filters and removes moisture from
the refrigerant.
the refrigerant.
The drier receiv
The drier receiv
es a warm,
es a warm,
high
high
pressure liquid (from the condenser) and sends a
pressure liquid (from the condenser) and sends a
sure gas.
sure gas.
The cold,
The cold,
low pressure
low pressure
gas is sent
gas is sent
back
back
into the expans
into the expans
ion valve.
ion valve.
The temperature
The temperature
of this
of this
low pressure gas is what controls the expansion
low pressure gas is what controls the expansion
valve.
valve.
The colder the gas,
The colder the gas,
the closer a
the closer a
ball will
ball will
seat and restrict the refrigerant into the evaporator
seat and restrict the refrigerant into the evaporator
coil.
coil.
The heater coil is the medium by which heat is
The heater coil is the medium by which heat is
transferred from the engine coolant to the opera-
transferred from the engine coolant to the opera-
tor’s compartment.
tor’s compartment.
A heater shut
A heater shut
-off
-off
valve is
valve is
located on the air conditioner / heater unit and
located on the air conditioner / heater unit and
when opened, allows the heat transfer to occur.
when opened, allows the heat transfer to occur.
When operating the air conditioner, close the
When operating the air conditioner, close the
heater shut-off valve for maximum cooling
heater shut-off valve for maximum cooling
efficiency.
efficiency.
Circuit Breakers.
Circuit Breakers.
Refer
Refer
to
to
Circuit Breakers
Circuit Breakers
in
in
the
the
Component Troubleshooting
Component Troubleshooting
of
of
Section 6
Section 6
for troubleshooting of circuit breakers.
for troubleshooting of circuit breakers.
Air Conditioner / Heater Maintenance.
Air Conditioner / Heater Maintenance.
The
The
remote mounted condenser of the air conditioning
remote mounted condenser of the air conditioning
system should be cleaned every 3 months to
system should be cleaned every 3 months to
remove debris.
remove debris.
The condenser
The condenser
can be
can be
cleaned
cleaned
with a fin comb, air hose and nozzle, or soap and
with a fin comb, air hose and nozzle, or soap and
water.
water.
The evaporator / heat
The evaporator / heat
er coils in the
er coils in the
air con-
air con-
ditioner / heater unit should be cleaned every
ditioner / heater unit should be cleaned every
3 months with compressed air.
3 months with compressed air.
HEATER
HEATER
SHUT-OFF VALVE
SHUT-OFF VALVE
https://www.forkliftpdfmanuals.com/
Summary of Contents for TX180S
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