3 removing the cover, Removing the cover, Figure 4-1. charging the battery pack – Heath Consultants Hi Flow Sampler User Manual
Page 45: Figure 4-2. removing the cover

Hi Flow
Sampler
Maintenance
Instruction 0055-9017
45
Figure 4-1. Charging the Battery Pack
4.3
Removing the Cover
When instructed to do internal maintenance, remove its protective cover as follows:
1. Do the following before removing the instrument from the backpack:
- Disconnect battery pack
- Unscrew metal-cage diffuser from the instrument’s gas exhaust port
- Disconnect ground clamp wire
2. Remove instrument from backpack.
3. Remove screws from cover as shown in Figure 4-2; then pull cover away from unit.
Figure 4-2. Removing the Cover