MAINTENANCE
7-103
Check Refrigerant
--- every 6 months
1. Start the engine and run at approximately 1500 min
-1
(rpm).
2. 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 (65 °F) on
the monitor screen).
3. Operate the air conditioner 2 to 3 minutes.
Check if cool air comes out from the vent in the cab.
4. In case any abnormality is found in the air conditioner,
consult your nearest authorized dealer.
Replace Air Conditioner Receiver Dryer
--- Every 3 years or 6000 hours
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.
f
NOTE: This machine uses new refrigerant R134a.
Type
Refrigerant No.
Quantity kg
HFC
R134a
1.00 ± 0.05
Check Compressor and Pulley
--- once a year
Check the compressor and its vicinity for abnormality in
operation, oil, or refrigerant leakage. Check the pulley for
abnormal noise.
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
115Z7B-7-102-1
115Z7B-7-103-3
Summary of Contents for ZW 550-6
Page 4: ......
Page 10: ...CONTENTS SPECIFICATIONS 12 1 Specifications 12 1 Intended Use 12 1 INDEX 14 1 ...
Page 12: ...MACHINE NUMBERS 2 Aftertreatment Device SCR TYPE MFG NO DOC TYPE MFG NO 95Z7B SCR4 95Z7B SCR4 ...
Page 54: ...SAFETY LABELS S 42 2 25 7 4 1 26 1 8 9 5 6 11 12 10 24 115Z7B S 42US ...
Page 148: ...OPERATOR S STATION 1 84 MEMO ...
Page 208: ...OPERATOR S STATION 1 144 MEMO ...
Page 210: ...BREAK IN 2 2 MEMO ...
Page 226: ...OPERATING THE ENGINE 3 16 MEMO ...
Page 274: ...OPERATING THE MACHINE 5 28 MEMO ...
Page 354: ...MAINTENANCE 7 70 MEMO ...
Page 418: ...9 4 MAINTENANCE UNDER SPECIAL ENVIRONMENTAL CONDITIONS MEMO ...
Page 422: ...10 4 STORAGE MEMO ...
Page 428: ...11 6 TROUBLESHOOTING MEMO ...
Page 430: ...SPECIFICATIONS 12 2 MEMO ...
Page 438: ...INDEX 14 8 ZW550 6 US MEMO ...