Wacker Neuson 38Z3, Service Manual

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SERV-HB 38Z3 EN – Edition 2.1 * 38z3s710.fm
•
Article numbers for options and retrofit kits: please refer to the 38Z3 spare parts list
Avoid contact with the heat exchanger or the condenser and the supply lines.
Lines and hoses carrying refrigerating agents or coolants can be pressurised
and hot.
☞
Always observe the following instructions:
• Always empty the system before carrying out maintenance work on the
cooling circuit.
• Avoid contact with parts carrying coolant.
• Carry out maintenance work with the fan at a standstill only.
• Have maintenance and repair work carried out by specialised staff only.
Make sure the cooling system does not come into contact with chlorine, choric
substances, oil, grease or humidity. Use drain and fill systems for R134a only.
7-3
Options
r c
Specific safety instructions
Danger
Danger of burns
Important
Important
The air conditioning system runs best by taking in “outside” air.
Refrigerating agent R134a
~ 950 g (2.1 lbs)
Control pressure high pressure on
19
±2
bar (276
±29
psi)
Control pressure high pressure off
25
±2
bar (363
±29
psi)
Control pressure low pressure on
2.4 bar (34.8 psi)
Control pressure low pressure on
1.2
±0.3
bar (17.4
±4.4
psi)
Thermostat switch-on temperature
+ 2.2 °C (36°F)
Thermostat switch-off temperature
–1.1 °C (+30°F)
Compressor oil
116.5 ml (7.1 in
3
)
Specifications
Air conditioning
Model 38Z