Danfoss HG and HA Compressors Installation Guide
Safety Instructions
- Only skilled personnel are allowed to work on the refrigerant compressors.
- The local safety and accident prevention regulations, as well as the requisite technical rules, must be observed
Points to be observed before working on the compressor or unit:
- Switch off the machine and safeguard it from being inadvertently switched on again.
- Disconnect the power supply line and motor cable.
- Relieve the machine from the system pressure.
- Please use original Bock spare parts exclusively.
After maintenance work has been completed:
- Connect up the safety switch and check functions.
- Evacuate the compressor (plant).
- Before starting up the compressor check that all components fitted by the user have been fitted correctly to the com- pressor and are compression proof (e.g. pipelines, plugs, union nuts, replaced components etc.)
- Open the shut-off valves (suction, pres- sure and liquid valves).
- Reconnect the power supply line and motor cable.
- Lift the switch-on safeguard.
General
These installation instructions describe the main procedure involved for installation the bearing bush to the main bearing/oil pump in Bock compressors HG(HA) 4, 5 and 6.
Scope of delivery
Assembly kit no. 097B80175, HG(HA)4 and 5
(journal box for rear main bearing)
The kit contains two bearing bushes:
- Version with collar, Joint diameter 65 mm
- Version without collar, Outside diameter 55 mm
Description
| Item | Piece | ref.no | Description |
| 1 | 1 | 097B06835 | Bearing bush with collar |
| 2 | 1 | 097B50262 | Bearing bush without collar |
| 3 | 1 | 097B09728 | Installation instructions for bearing |
* Please note that the legacy BOCK ref. numbers are without 097B
Assembly kit no. 097B80176, HG(HA)6 (journal box for rear main bearing)
The kit contains two bearing bushes:
- Version Ø 60 mm (until 05/2010)
- Version Ø 55 mm (since 06/2010)
| Item | Piece | ref.no | Description |
| 1 | 1 | 097B06579 | Bearing bush Ø 60 mm |
| 2 | 1 | 097B50298 | Bearing bush Ø 55 mm |
| 3 | 1 | 097B09728 | Installation instructions for bearing |
Please note that the legacy BOCK ref. numbers are without 097B
Installation instructions
Assembly kit no. 097B80175
Extraction
- a) Unscrew the setscrew (if available)
- b.) Force bearing bush out
Version with collar
Compressor housing Oil pump side
Version without collar
Insertion
- c) Oil the bore.
- d.) Align the bearing bush, paying attention to the position of the butt joint!
- e.) Force-fit evenly up to the stop (version with collar) or flush with the contact surface (version without collar).
Version with collar
Compressor housing Oil pump side
Version without collar
Contact surface
Installation location:
Butt joint in the „12 o’clock“ position
Assembly kit no. 097B80176
Extraction
- a.) Force bearing bush out
Version Ø 60 mm
Compressor housing Oil pump side
Version Ø 55 mm
Insertion
- b.) Oil the bore.
- c.) Align the bearing bush, paying attention to the position of the butt joint!
- d.) Force-fit evenly
Version Ø 60 mm: up to the stop
Version Ø 55 mm: see measures in fig
Contact surface
Compressor housing
Oil pump side
Installation location:
Butt joint in the „12 o’clock“ position
Danfos A/S
Climate Solutions
danfoss.com
+4574882222
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Documents / Resources
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Danfoss HG and HA Compressors [pdf] Installation Guide HG and HA Compressors, HA Compressors, Compressors |
