INTERSPIRO QS II, User Manual

9

2  CYLINDER MOUNTING

SINGLE CYLINDER

1.

  Check that the cylinder strap buckle is positioned as close to the backplate as 

possible. Place the cylinder on the backplate. [Fig. 1]

2. 

Check the connection O-ring and screw the cylinder valve hand tight to the 

cylinder connection of the manifold block. [Fig. 2]

NOTE! 

FOR CYLINDER QUICK COUPLING SEE PAGE 10.

3. 

Fasten cylinder strap around the cylinder and hook together with the buckle [Fig. 3]. 

Adjust the length of the strap if needed. [Fig 4] Do not over tighten. If the strap is 

over tightened the buckle and backplate will be damaged.

4.

  Close the lever on the buckle [Fig. 5]. Make sure that the locking tab has locked 

the lever in the closed position. [Fig. 6] (To release the cylinder buckle the locking 

tab must be pressed down.)

TWIN CYLINDERS

ATTENTION! 

WHEN OPERATING WITH TWO SEPARATE INDEPENDENTLY VALVED CYLINDERS, BOTH CYLINDERS 

MUST BE CHARGED WITH SIMILAR WORKING PRESSURES. ALWAYS OPEN BOTH CYLINDER VALVES WHEN 
PRESSURISING THE BREATHING APPARATUS AND ENSURE THAT BOTH CYLINDER VALVES ARE KEPT OPEN DURING 
THE USE OF THE APPARATUS.

1.

  If previously used for single cylinder start by disengaging the cylinder strap from 

the four lugs on the backplate [Fig. 7].

2.

  Check that the cylinder strap is positioned with the buckle as close to the 

backplate as possible.

3.

  If applicable, mount the strap holder and the cylinder distance piece.

4.

  Check the connection O-ring and screw the T-piece to the cylinder connection of 

the manifold block - Do not tighten. 

5.

  Place the cylinders on the backplate with the strap holder between the cylinders. 

[Fig. 9] Check that the hoses are positioned between the cylinders and not 

squeezed between the cylinders and backplate.

6.

  Check the connection O-rings and screw the cylinder valves hand tight to the 

cylinder connections of the T-piece. [Fig. 8]

7.

  Tighten the T-piece to the manifold block by hand.

8.

  Fasten the cylinder strap around the cylinders and hook together with the buckle 

[Fig. 3]. Adjust the length of the strap if needed. [Fig. 4] Do not over tighten. If the 

strap is over tightened the buckle and backplate will be damaged. 

9.

  Close the lever on the buckle [Fig. 5]. Make sure that the locking tab has locked 

the lever in the closed position. [Fig. 6] (To release the cylinder buckle the locking 

tab must be pressed down.)