3. Checking the air conditioning system.
①
Economic friendly refrigerant : R134a 0.7
∼
0.85Kg.
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.
②
Check belt tension ; when finger pressure is applied to the mid-point between both pulleys.
③
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.
Caution
(2) Check the refrigerant with receive drier sight glass
Abnormal
●
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.
●
Same bubble appeared
occasionally
(1~2 sec. gap)
Abnormal
●
Deficient of refrigerant
Replenish
●
Nothing different temperature
between H.L pipe
●
High pressure of the pressure
gauge needle indicates low pressure
●
Bubbles flow and
refrigerant gas
disappeared like a fog
flows
Trouble shoot
Bubbles or foam visible
86
Содержание 10 Cab Series 4510C
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Страница 104: ...99 4510 WIRING DIAGRAM ...
Страница 105: ...4510 WIRING DIAGRAM 101 ...
Страница 106: ...CABIN WIRING DIAGRAM 1 102 ...
Страница 107: ...CABIN WIRING DIAGRAM 2 103 ...
Страница 109: ...Wiring diagram of Independent PTO 105 ...
Страница 110: ... 4510 POWER TRAIN 106 ...
Страница 111: ...107 REMARKS W CLAIM NO AND DATE PARTS REPLACEMENT NATURE OF DEFECT JOB CARD NO DATE TRACTOR HISTORY CARD ...
Страница 112: ...108 NATURE TYPE OF REPAIR SERVICE CARRIED OUT TRACTOR HOURS DATE SERVICE RECORD ...
Страница 113: ...109 REMARKS ENGINE OIL TOPPED UP FUEL CONSUMPTION MACHINE HOURS JOB DONE DATE END START DAILY OPERATION LOG ...
Страница 114: ...110 PART REPLACEMENT RECORD COST QTY PART DESCRIPTION DATE COST QTY PART DESCRIPTION DATE ...
Страница 115: ...107 4510 OPERATOR S MANUAL FOR TRACTORS CODE NO 1451 940 001 0 Printed on March 2005 2nd Edition ...