Zoomlion ZRT850, Operator'S Manual

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Operator’s Manual for Rough Terrain Crane
Table 6-1 Air Conditioner Maintenance Requirements
ITEM REQUIREMENTS MAINTENANCE INTERVAL
Condenser fan motor Examine and repair. Every quarter
Evaporator fan motor Examine and repair. Every quarter
Condenser Examine and clean.
Every month or increase the
maintenance frequency according to
the working conditions
Evaporator Examine and clean.
Every quarter or increase the
maintenance frequency according to
the working conditions
Electromagnetic clutch
Make sure that it operates
smoothly and is clean.
Every quarter
Connector
Make sure that the connector
is set in place.
Every month
A. Component Location

Evaporator – In the cab

Condenser – On the left side of the superstructure

Condenser fan – On the left side of the superstructure.
B. Operating Methods:
Cab Temperature Control Functions:
(1) Refrigeration
The first time you use the COOL function, do the items that follow:

Start the engine.

Set the A/C FAN SPEED / MASTER SWITCH (1) to blow air.
RESULT – Fan power indicator (red) illuminates.

Set the CAB COOLER POWER SWITCH (3) to position COOL.
RESULT – Cool mode indicator (green) illuminates.

Turn the A/C FAN SPEED / MASTER SWITCH (1) counter-clockwise to 3 fan
speed (HI, MID, LOW) to get the desired temperature.
(2) A/C FAN SPEED / MASTER SWITCH – Used to change between the 4 fan speeds
(OFF, HI, MID, LOW).
When the switch is set to blow air, the fan power indicator (red) illuminates.
Note:
The switch is the master power to the COOL function and must be ON (HI, MID, LOW)
for the COOL function to operate.
6-6 ZRT850 Rough Terrain Crane