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Instruction book
4 Maintenance
4.1 Petrol engine maintenance
Consult the engine "Owner's manual".
4.2 Preventive maintenance schedule for
the compressor 1)
The schedule contains a summary of the maintenance
instructions. Read the respective section before taking
maintenance measures.
When servicing, replace all disengaged packings, e.g. gaskets,
O-rings, washers.
The "longer interval" checks must also include the
"shorter interval" checks.
Period 2) Running Consult See notes Preventive Operation
hours 2) section below table maintenance
kit (Fig. 4.1)
Weekly ------ 3.2 1 -- On LE/LT, check oil level
" ------ -- -- -- Drain condensate from air receiver or pulsation damper
6-monthly ------ 5.7/5.8 2 -- Test safety valve, and if provided also relief valve
" ------ 4.4/5.3 3/4 2 Inspect air filter
Yearly 500 4.4/5.3 3/4 2 On LF75, LE/LT110 and LE150, replace air filter
" 600 4.4/5.3 3/4 2 On LE/LT40 up to -75 and LF40/55, replace air filter
" 800 4.4/5.3 3/4 2 On LE/LF/LT15/22, replace air filter
" 2000 -- -- 2 Change blow-off silencer, if provided
" 2000 4.3 -- -- On LE/LT, if mineral oil is used, change oil
2-yearly 3000 4.3 -- 5 On LE/LT, if Atlas Copco PAO oil is used, change
oil
----- 3000 to 4.4/5.1 -- 3/4 Replace check valve or unloader
4000
----- 4000 4.4/5.2 -- 1 On LE/LF/LT15 up to -40, replace valve discs
----- 5000 4.4/5.2 -- 1 On LE/LT55/150 and LF55/75, replace valve discs
Notes
1. Maintain the level in the red circle of the sight-glass.
2. Wear gloves and safety glasses.
3. For normal operation in clean surroundings. More frequently when operating in a dusty environment.
4. In a dusty environment, a heavy duty filter (available as an option) is essential.
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