Service and maintenance
148 Cab
Air conditioning (optional equipment)
Condenser, cleaning
Clean the condenser every 500 hours or as needed.
1 Place the machine in service position, see page 89.
2 Let down the front grille.
3 Open up the engine hood.
4 The condenser is positioned on the right side in the engine
compartment.
5 Blow the condenser clean with compressed air.
In order to prevent leakage and to safeguard the lubrication of the
seals in the compressor for the air conditioning, the air conditioning
should be run for approx. five minutes once a month. It is important
that the operator of the machine is made aware of this.
NOTE! At temperatures below freezing, 0 °C (+32 °F), the unit
must be run indoors, if possible, as the power supply to the
compressor lead is switched off by the thermostat whenever
the evaporator temperature is below +1 °C °C (+34 °F).
Make sure that the exhaust gases are extracted or removed in
a suitable way.
Mind the hoses between compressor, condenser and evaporator.
There is always a certain excess pressure in the system.
Therefore, never disconnect hoses and never remove the oil filler
plug on the compressor, except during repairs to the system.
Ask a workshop authorised by Volvo CE to check the air
conditioning once a year.
Compressor, checking belt tension
Check the condition of the belt for the first time at 250 hours
(also after replacement) and then every 2000 hours.
The compressor and the alternator have the belt in common.
Adjusting, A35E/A35E FS
1 Loosen bolts (A) on the alternator.
2 Adjust with adjusting screw (B) so that the belt can be pressed
in approx. 8 mm.
3 Tighten bolts (A) on the alternator.
Adjusting, A40E/A40E FS
Self-adjusting belt tension.
WARNING!
The engine must be stationary when checking the belt
tension – rotating parts can cause injuries.
The engine must never be run when the belts are
completely slack.
1031123
ABA
1034634
ABolts
B Adjusting screw
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