Preventive maintenance schedule
Period
Operation
Daily
Check oil level.
Check readings on display.
Check that condensate is discharged during loaded operation of the compressor.
3-monthly (1)
Check coolers, clean if necessary.
Remove the air filter element and inspect. If necessary, clean using an air jet. Replace
damaged or heavily contaminated elements.
Check the filter element of the electric cabinet (if applicable). Replace if necessary
Press the test button on top of the electronic water drain (EWD). Open the manual drain
valve(s) (Dm, Dm1) to clean the filter inside the EWD.
(1): More frequently when operating in a dusty atmosphere.
Interval operations
Interval (hours)
500
2000
4000
8000
10000
14000
16000
20000
22000
6000
18000
12000
24000
Operations to be carried out
Visit A
Visit B
Visit C
Visit D
1
Control measured parameters
x
x
x
x
x
2
Change the oil filter
x
x
x
x
x
3
Change the lubricant
x
x
x
x
x
4
Clean the filtermats
x
x
x
x
x
5
Change the air filter
x
x
x
x
6
Re-grease the drive motor bearings, according
to use
x
x
x
x
7
Change the inverter filter (*) and the cubicle
filter
x
x
x
8
Change the air inlet filters
x
x
x
9
Change the oil separator element
x
x
x
10
Unloader valve kit
x
x
11
Oil-stop- and check-valve kit
x
x
12
Minimum pressure valve kit
x
x
13
Thermostatic valve kit
x
x
14
Hoses kit
x
15
Overhaul compressor element (use exchange
element)
x
16
Replace the shaft seal
x
17
Overhaul the main drive motor
x
18
Overhaul the gearbox
x
Instruction book
72
2920 7101 21
Summary of Contents for QGS 40
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