Atlas Copco ZS 4 VSD

Period Running hours Operation
Daily -- Check the oil level.
Before starting, the level should be in the middle of the sight-glass.
Weekly -- Drain condensate from the air receiver, if installed
Every 3 months -- Clean unit.
Every 3 months -- Check for possible leaks.
Every 3 months 500 Check the cooler; clean if necessary.
When displayed -- Carry out service actions according to the displayed service plans
Service plan
A number of service operations are grouped (called level A, level B, level C, ...). Each level
stands for a number of service actions to be carried out at the time intervals programmed. See
part General settings of section Minimum requirements for safe regulation.
Activity 250
hours
500 hours /
monthly
4000
hours / 6
monthly
8000
hours /
yearly
16000
hours /
2 yearly
Take service reading (temperature and
pressure of air, oil and water) X X X X X
Check cooler functionality X X X X
Clean oil cooler block X X X X
Check for air and oil leakage X X X X X
Check sensitive bolt / coupling connections X X X X
Check for presence of water in lube oil X X X X
Change compressor oil X
Change compressor oil filter X X X
Check condition of air intake chamber X X X X
Check air filter element (s) X X X X
Change air filter element (s) X X X
Check filter element of gear case breather X X X X
Replace filter element of gear case breather X X X
Check cycle of start-up / blow-off valve X X X X
Check safety switch X X X X
Check functioning of check valve X X X X
Replace O-rings of check valve X X X
Check the filter mat(s) of the electrical
cabinet(s) X X X X
Replace cubicle filter mats X X X
Grease main drive motor bearings (VSD) X X X
Clean fan cowl of electric motor X X X X
Check rubber inserts of drive coupling X X X X
Replace rubber inserts of drive coupling X
Instruction book
AIF999999 65