801769 Bladder Replacement Kit Installation Instructions

BLADDER
REPLACEMENT KIT
TSI P/N 801769
INSTALLATION INSTRUCTIONS
Bladder
1. Remove 3 bolts, using 3/16” Allen
tool.
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Face
2. Remove back of Head.
3. Remove 4 bolts, using 3/16” Allen
tool.
NOTE: Do NOT set head down
on face which can break throat
fitting.
4. Remove Face and Bladder
together (A).
5. Separate Face from Bladder (B).
6. Discard used bladder.
-3-
7. Discard used seals and O-rings.
NOTE: Do NOT use metal tool as
it will scratch plastic.
8. Discard used O-rings.
NOTE: Do NOT use metal tool as
it will scratch plastic.
9. Replace 3 O-rings.
-4-
10. Replace 2 orange seals.
11. Replace 2 O-rings.
12. Place Face on Bladder (A).
13. Place Bladder on Head (B).
-5-
14. Install 4 bolts, using 3/16” Allen
tool—verify washers are present.
NOTE: Do NOT set head down
on face which can break trachea
fitting.
Do NOT over-torque bolts which
will cause inserts to break free
and spin. Recommended torque
of 5 in. per lb.
15. Verify gap between top of
bladder and head is LESS
THAN 1/8 in.
16. Install back of Head.
-6-
17. Install 3 screws—verify washers are
present.
Do NOT over-torque bolts which will
cause inserts to break free and spin.
Recommended torque of 5 in. per lb.
18. Installation is complete!
NOTE: Run self-check before
conducting mask tests to verify bladder
seal integrity.
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