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1

Check oil level

Visual inspection of the level in the inspection window

every day

If there is not enough oil, add oil to the pump

2

Check oil color

Perform a visual inspection in the viewing window

Once every 3 days

If the oil turns black, it needs to be replaced.

3

Check noise levels

Check whether there is any change in the noise when the pump is running

every day

See next troubleshooting section

4

Vibration test

Check whether the vibration increases when the pump is running

Once every 3 days

Check the tightness of the screws holding the pump

5

Check pump temperature

Measure pump temperature

weekly

Check motor fan

6

Check seals

Eye exam

weekly

Replace with new ones if necessary

7

Check suction filter

Check the filter for contamination

Once every 3 months

Clean suction filter

8

First oil change

Drain old oil and fill in new oil

After 180 hours of operation

Drain old oil through the drain neck and inject new oil through the filler neck

9

Change engine oil

Drain old oil and fill in new oil

Every 500 - 2000 hours of operation

Drain old oil through the drain neck and inject new oil through the filler neck

10

Replace oil filter

Replace filter

Every 500 - 2000 hours of operation

Replace oil filter

11

Replace exhaust filter

Replace filter

Every 500 -2000 hours of operation

Replace outlet air filter

12

Clean the suction valve, gas ballast valve, and fan housing

Clean pump

Every 1000 hours of operation

Blow out the suction valve and gas ballast valve with compressed air