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18 | AQ453249013813en-000201

The valve is maintenance free.

However, constant leakage can occur after blowing off due to abnormal operating conditions. This

leads to reduced performance and increases the compressed gas temperature. In this case check the

valve and replace as necessary.

6.5 Integrated decompression valve

6.4 Recommended spare parts/accessories

6.7 Decommissioning

Close the shut-off valve on the compressor. Drain the refrigerant (it must not be discharged directly

intotheenvironment)anddisposeofitaccordingtotheregulations.Whenthecompressorisdepres-

surised, undo the fastening screws of the shut-off valves. Remove the compressor using an appropri-

ate hoist. Dispose of the oil inside in accordance with the valid national regulations.

6.6 Lubricants / Oils

Theoiltypelledasstandardinthefactoryismarkedonthenameplate,andthisshouldalwaysbe

used,eveninthecaseofmaintenanceunits.Alternativeoiltypescanvarysignicantlyinqualitydue

to additives or inferior raw materials by the manufacturer. Validation within the compressors entire

operating limits can not be guaranteed, if such alternative oil types are used. It is for this reason, that

we only recommend the use of oil from Bock! Bock assumes no liability for any damage arising from

alternative oil types.

Refrigerant Bock standard oil grade

HFC

(e.g.R134a,R407,R404A)

BOCK lub E55

HCFC(e.g.R22) BOCK lub A46

6| Maintenance

Maintenance set for oil change

• BOCK lub E55 2 x 1 l

• Oil drain screw with seal

Maintenance set for shaft seal

• shaft seal kit

• BOCK lub E55 2 x 1 l

• Oil drain screw with seal

Available spare parts and accessories can be found on our compressor selection tool under

vap.bock.de as well as in our online spare parts catalogue at bockshop.bock.de.

Only use original Bock spare parts!

Danfoss BOCK FK40 User Manual

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