Refrigerant System Repairs - Doosan DX140R Shop Manual

REFRIGERANT SYSTEM
REPAIRS
Always wear protective glasses and gloves when handling
refrigerant. If refrigerant comes in contact with the skin or
eyes, immediately flush with clean, running water and
consult a physician.
Select a clean and well ventilated area to work.
The refrigerant container is under high-pressure and
should be stored below 40°C (104°F). Be careful not to drop
the container from a high location.
The contents are under high-pressure and should not be
used with compressed air or near an open flame.
Refrigerant Safe Handling Procedures
TORQUE WRENCH
CAP & PLUG
Figure 85
The following procedures should be observed for safe handling
of refrigerant during vacuum and charging process.
1. Use an approved recovery / charging device which can
safely perform vacuum and charge work simultaneously.
2. The new refrigerant has improved cooling characteristics
than the old type and care should be used not to
overcharge the system.
Electrical System
WARNING
WRONG
WRONG
CORRECT
CORRECT
O - RING POSITION
WRONG
CORRECT
UNION NUT
WRONG
WRONG
HDA6066L
SP001949
Page 97