Instruction manual
2954 2100 01 31
4. Maintenance
(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.
4.2 Engine maintenance
Refer to the engine’s operator manual for full maintenance,
including instructions for changing the oil and coolant and
replacing the fuel, oil and air filters.
4.3 (*) Measuring 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 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 instructions for
more details.
Before carrying out any maintenance activity, check that the starter switch is in position O and that no electrical power is
present on the terminals.
4.1 Maintenance schedule
Daily Small Normal Yearly
500 hours 1000 hours 2000 hours
Service pak
- 2912 6041 04 2912 6042 05 2912 6043 06
For the most important subassemblies, Atlas Copco has developed service kits that combine all wear parts. These service kits offer you the bene-
fits of genuine parts, save on administration costs and are offered at reduced price, compared to the loose components. Refer to the parts list for
more information on the contents of the service kits.
Air/fuel/coolant & oil leakage Check Check Check Check
Electrolyte level and terminals of battery (2) Check Check Check
Fixation of hoses, cables and pipes Check Check Check
Oil and coolant level Check Check Check Check
Coolers Check and clean
externally
Check and clean
externally
Check and clean
externally
Check and clean
externally
Condition of cooling fan assembly Check Check Check Check
Tension and condition of the drive belt Check Check Check
Alternator drive belt Replace Replace
Door hinges and locks Grease Grease Grease
Engine oil Replace Replace Replace
Engine oil filter Replace Replace Replace
Fuel filter element Replace Replace Replace
Fuel prefilter element Replace Replace Replace
Water in fuel filter Drain Drain Drain Drain
Turbocharger impeller casing and turbocharger compressor casing Clean Clean
Air cleaner and dust bowl Clean Clean Clean
Air filter element (1) Change Change Change
Safety cartridge Replace Replace Replace
Engine breather Renew
Engine inlet and outlet valves Check/Adjust Check/Adjust
Alternator and starter motor Check Check
Electrical system: security of cables and wear Check Check
Mechanical links Grease Grease Grease
Condition of vibration dampers Check Check Check
Alternator insulation resistance Measure Measure Measure
Glycol level in coolant Check Check Check
PH level of engine coolant Check Check Check
Inspection by Atlas Copco Service technician
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