Welch Allyn TR-1 Hand Aneroid - User Manual - Manual (Page 3)

Interchanging Inflation Systems
1. The TR-1 Hand Aneroid features a conventional luer lock connection.
2. To remove the attached inflation system, simply hold the cuff tubing near the con-
nector, and twist counterclockwise. The tubing will release easily.
3. To attach a new or different size inflation system, simply twist clockwise and
tighten.
Bulb Replacement
1. To remove the old bulb assembly,
turn it counterclockwise.
2. If there is damage to the gasket,
remove sealing gasket from
threaded part of manometer.
Replace old sealing gasket with new
gasket.
3. Place new bulb assembly onto the
sphygmomanometer. Screw it up
tightly against the sealing gasket. If
bulb assembly will not seal tightly
against the sealing gasket, screw
the trim ring more tightly against
the bulb. This will allow the bulb fit-
ting to reach the sealing gasket.
4. When bulb is assembled to the
sphygmanometer so that it does not
leak at the sealing gasket, scew the
trim ring toward the sphygmoma-
nometer (away from the bulb) until
it comes up snug against the sphyg-
momanometer This will lock the
bulb assembly in position and prevent it from loosening with use.
SEALING
GASKET
TRIM
RING
BULB
SPHYGMO-
MANOMETER
BULB
ASSEMBLY