Manitou MHT 10225, Repair Manual

Page: 98 / 105

(07/03/2012) 110-04-M184EN
110
9
OPTIONS - ATTACHMENTS CONTROL AND
ADJUSTMENT
ADJUSTING THE AIR CONDITIONING PRESSURES
Remove the caps (Ref. 1 and 2) on the compressor connections
(Ref. 3).
Connect the high pressure (Ref. 4) and low pressure (Ref. 5)
pipes of the refi lling station on the compressor (Ref. 3).
1
2
3
4
3
5
• Start up the vehicle engine.
• Switch on the air conditioner as follows:
– Select air diff usion speed "I" by means of the fan knob.
– Press the air conditioning switch so that the LED lights up.
– Adjust the temperature regulation knob to maximum cold
– Open all the diff user spouts.
– Set minimum speed (approx. 800 rpm)
– Wait for at least 5 minutes to allow the circuit to stabilize.
– Check the low pressure LP and high pressure HP values of the circuit to make sure they are between:
• 0.5 bar and 2 bar in low pressure LP ,
• 6 bar and 20 bar in high pressure HP ,