Tico Pro-Spotter, Service Manual

Page: 194 / 211

15-10 Service Manual
TICO Manufacturing
HEATING AND AIR CONDITIONING PRO-SPOTTER
5. Test for cooling system flushing solvent. Hold hose
close to a piece of cardboard; continue purging until
cardboard is dry.
6. Dispose of cooling system flushing solvent properly.
Evaporator Flush and Purge
1. Add cooling system flushing solvent to inlet end of
evaporator inlet line.
2. Attach a return hose to air conditioner compressor
inlet hose. Place hose into a suitable container to
collect cooling system flushing solvent.
3. Using compressed air, force cooling system flushing
solvent through evaporator circuit. Air pressure must
be at least to specification for flushing and purging.
NOTES
• Purging evaporator circuit takes 10—12 minutes to
thoroughly remove solvent.
• Additional flushing cycles are required if system is
heavily contaminated with burned oil or metal
particles.
4. Test for cooling system flushing solvent. Hold hose
close to a piece of cardboard; continue purging until
cardboard is dry.
5. Dispose of cooling system flushing solvent properly.
Procedure Wrap-Up
1. Install a new receiver/dryer. (See
“RECEIVER/DRYER” on page 15-19.)
2. Add required oil. (See “R134a REFRIGERANT OIL
INFORMATION” on page 15-4.)
3. Install air conditioner compressor. (See “AIR
CONDITIONER COMPRESSOR” on page 15-10.)
4. Evacuate the system. (See “Evacuate R134a
System” on page 15-7.)
5. Recharge the system. (See “Recharge R134a
System” on page 15-8.)
AIR CONDITIONER
COMPRESSOR
Removal
See Figures 15-2 and 15-3.
1. Park and prepare tractor for service. (See “Park
Tractor Safely” on page 1-3.)
2. Raise the cab.
3. Recover existing R134a refrigerant from the system.
(See “Recover R134a Refrigerant” on page 15-7.)
Figure 15-2: Air Conditioner Compressor Lines
4. Install identification tags and disconnect
low-pressure refrigerant line (1) and high-pressure
refrigerant line (2). Close all openings using caps and
plugs.
Specification
Air Pressure Minimum Pressure (for
flushing and purging) 620 kPa
6.2 bar
90 psi
1 Low-Pressure Refrigerant
Line 3 Air Conditioner
Compressor
2 High-Pressure Refrigerant
Line
1
TPS-080
2
3