Danfoss HG and HA Compressors Installation Guide
- August 21, 2024
- Danfoss
Table of Contents
**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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