Drive - Danfoss BOCK F Operating Manual

4| Compressor assembly

4.9 Drive

ATTENTION! Faulty alignment results in premature failure of the coupling and
CAUTION!
The compressors of the F series can be driven by V-belts or directly by shaft couplings.
V-belt:
Proper assembly of belt drive:
- The pulleys of compressor and drive motor must be firmly mounted and in line.
- Only use V-belts with calibrated lengths.
- Select axis spacing, V-belt length and belt pre-tension according to the instructions issued by
the V-belt manufacturer. Avoid belt fluttering.
- Check belt pre-tension after running-in time.
Direct drive with shaft coupling:
Direct drive with shaft couplings demands highly precise aligning of compressor shaft and
motor shaft.
Use the Bock shaft couplings „WK" and observe the enclosed assembly instructions.
© Danfoss | Climate Solutions | 2023.07
bearing damage!
Mount suitable safeguards when driving the compressor by means
of V-belts or shaft couplings!
AQ449946687878en-000201| 15
D
GB
F
Ru