Maintenance; Maintenance Schedule; Measuring The Alternator Insulation Resistance; Engine Maintenance - Atlas Copco QAS108 Pd(S) Mk II Manual De Instrucciones

MAINTENANCE

Before carrying out any maintenance activity, check that the start switch is in position O and that no electrical power is present on the
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terminals.
M
AINTENANCE SCHEDULE
SERVICE PAK
For the most important subassemblies, Atlas Copco has developed service kits that combine all wear parts. These service kits offer you the
benefits of genuine parts, save on administration costs and are offered at reduced price, compared to the loose components. Refer to figure
1 of the parts list for more information on the contents of the service kits.
Coolant level
Tension and condition of drive belt(s)
Radiator and intercooler fins
Fuel pre-filter/Water separator
Fuel filter element
Fuel injectors
Oil level in sump
Oil pressure on gauge
Lubrication oil
Oil filter(s)
Air cleaner and dust bowl
(1)
Air filter element
Safety cartridge
Valve clearance
Oil, fuel and water leaks
Mechanical links (e.g. fuel solenoid link)
(2)
Level battery electrolyte
Condition of vibration dampers
Alternator insulation resistance
Tightness of nuts and bolts
Door hinges and locks
Fixation of hoses, cables and pipes
Inspection by Atlas Copco Service technician
(1) More frequently when operating in a dusty environment.
Evacuate dust from the airfilter valve daily.
(2) A Service Bulletin (ASB) dealing elaborately with batteries and
due care is available on request.
E
NGINE MAINTENANCE
Refer to the engine's operator manual for full maintenance,
including instructions for changing the oil and cooling water
and replacing the fuel, oil and air filters.
Daily
Check
Check/Drain
Check
Check
(*)
Initial
50 hours
– With unit
Check
Check
Check/Clean
Check/Drain
Replace
Check
Check
Change
Replace
Clean
Check/adjust
Check
Check
Check
Measure
Check
Grease
(*) M
EASURING THE ALTERNATOR INSULATION RESISTANCE
A 500-V megger is required to measure the alternator
insulation resistance.
If the N-terminal is connected to the earthing system, it must
be disconnected from the earth terminal. Disconnect the
AVR.
Connect the megger between the earth terminal PE and
terminal L1 and generate a voltage of 500 V. The scale must
indicate a resistance of at least 5 MΩ.
Refer to the alternator operating and maintenance instruc-
tions for more details.
I
NSTRUCTION MANUAL
Small Normal
250 hours 500 hours
2912 4264 05 2912 4265 06
Check Check
Check Check
Check/Clean Check/Clean
Check/Drain Check/Drain
Replace Replace
Check Check
Check Check
Change Change
Replace Replace
Clean Clean
Clean Replace
Check/adjust Check/adjust
Check Check
Grease Grease
Check Check
Check Check
Measure Measure
Check
Yearly
2000 hours
2912 4266 07
Check
Replace
Check/Clean
Check/Drain
Replace
Check
Check
Check
Change
Replace
Clean
Replace
Replace
Check/adjust
Check
Grease
Check
Check
Measure
Check
Grease
Check
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