MSA G1 Operating Manual page 21

US
CAUTION!
For the Single Port: Hold the respirator by the cartridges/canisters, NOT by the APR adapter.
For the Twin Port: Hold the respirator by the APR adapter, NOT by the cartridges.
Failure to follow these cautions can result in minor or moderate injury.
1. Make sure that the respirator is correctly prepared for use. Refer to
21
2. Loosen all of the head harness straps to within ¼ in. from the buckles.
3. For donning in cold weather, you MUST hold your breath before you start to
put the facepiece in position in the following step until after you tighten the
harness straps in Step 10. If you do not, the facepiece can fog immediately.
4. Open the head harness with both hands and pull it over your head.
5. Pull down on the head harness pull tab.
6. Make sure that the head harness is flat on the back of your head.
G1 APR Facepiece
6 Preparing for Use
7 Donning