MAINTENANCE
7-118
Check Refrigerant
--- every 6 months
Start the engine and run at approximately 1500 min
-1
(rpm).
Turn the air conditioner switch to ON. Set the blower switch
to HI and set the temperature control switch to the coolest
position (18 °C on the monitor screen). Operate the air
conditioner 2 to 3 minutes. Check if cool air comes out from
the vent in the cab.
IMPORTANT: If recovery or refill of refrigerant is required
during the machine maintenance (including disposing
the machine), contact your refrigerant supplier or your
authorized dealer.
Replace Air Conditioner Receiver Dryer
--- every 6000 hours or three years
IMPORTANT: Do not release refrigerant into the
atmosphere as this is illegal. Comply with refrigerant
regulations.
Before charging refrigerant, all the refrigerant must be
recovered from the system. Consult your nearest authorized
dealer to replace receiver dryer (1) or to charge the refrigerant.
Type
Refrigerant No.
Quantity kg
HFC
R134a
0.9±0.05
Check Compressor and Pulley
--- once a year
Check the compressor and its vicinity for abnormality in
operation, oil stain, or refrigerant leakage. Check the pulley for
abnormal noise.
Check the belt for abnormal deflection and damage.
Check Compressor:
After operating the air conditioner for 5 to 10 minutes,
check temperature at both the high pressure pipe and the
low pressure pipe.
Normally, the high pressure pipe must be hot and the low
pressure pipe must be cool.
90Z7-OM0144
1
90Z7B-7-104-1
90Z7B-7-104-2
Summary of Contents for ZW 310-6
Page 4: ......
Page 10: ...CONTENTS MEMO ...
Page 14: ...INTENDED USE 2 MEMO ...
Page 57: ...SAFETY SIGNS S 43 ZW310 6 SS 3777 2 ...
Page 59: ...SAFETY SIGNS S 45 ZW330 6 92Z7B S 40EU ...
Page 246: ...BREAK IN 2 2 MEMO ...
Page 280: ...DRIVING MACHINE 4 20 MEMO ...
Page 460: ...MAINTENANCE 7 146 MEMO ...
Page 464: ...MAINTENANCE UNDER SPECIAL ENVIRONMENTAL CONDITIONS 9 4 MEMO ...
Page 468: ...STORAGE 10 4 MEMO ...
Page 474: ...TROUBLESHOOTING 11 6 MEMO ...
Page 498: ...INDEX 14 6 MEMO ...
Page 502: ...CONFORMITY MEMO ...
Page 506: ......