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TYM T723 User Manual

TYM T723
259 pages
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12-12
3. Checking the air conditioning system.
Economic friendly refrigerant : R134a 0.70.85Kg.
The presence of air and water in the system could jeopardize its efficiency.
-The air is uselessly compressed by the compressor and no cooling effect is produced.
-The moisture has a tendency rise to obstructions which prevent the cooling efficiency.
Check belt tension ; when finger pressure is applied to the mid-point between both pulleys.
Condenser fins must always be duly clean using water or an air set.
4. Checking the air conditioning system charge
(1) Check the refrigerant charge.
A.Run the engine at 1500rpm
B. Set the air conditioning system in the coldest for 5 minutes.
C. Check the sight glass dear or cloud
If the air-con. is operated with not charged.
The lubrication in the compressor can cause the damage.
(2) Check the refrigerant with receive drier sight glass
Bubbles or foam visible Trouble shoot
Bubbles flow and
refrigerant gas
disappeared like a fog
flows
Deficient of refrigerant
Replenish
Nothing different temperature
between H.L pipe
High pressure of the pressure
gauge needle indicates low pressure
Abnormal
Same bubble appeared
occasionally
(1~2 sec. gap)
Replenish the refrigerant
High pressure pipe is hot and low
pressure pipe is a little cool.
H.L pressure of the pressure gauge
needle indicates low pressure.
Abnormal
Caution

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TYM T723 Specifications

General IconGeneral
BrandTYM
ModelT723
CategoryTractor
LanguageEnglish

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