Nipro SURDIAL, Руководство по обслуживанию, Страница: 271 / 334

10.12-1
10.12. Adjustment of gaps between housing
and rotor rollers of blood pump
10.12.1. Adjustment by water head pressure
Adjust the gaps by application of water head pressure to blood line set to blood pump based on the
following procedures.
(1) Required devices
Blood line
Water receiver
Water bottle
Hexagon wrench (1.5mm
(2) Turn off power SW of machine.
(3) Set rolling tube of blood line to blood pump and connect water bottle to inflow end of the line.
(4) Prime blood line with water from the bottle by gravity flow of water.
(5) After the priming completion, turn rotor of blood pump manually to occlude rolling tube by one
of 3 rollers of the rotor.
Fig. 10.12-1 Adjustment of gaps between housing and rotor rollers of blood pump
(6) Lift the bottle so that height of water level in it from center of the rotor becomes about 1.5m.
Open outflow end of the rolling tube above water receiver.
(7) Loosen set screw of the roller by hexagon wrench . Turn shaft by screwdriver to repeat
narrowing and widening of gap between the roller and housing of blood pump. Initially, set the
gap to allow water discharge from the outflow end.
(8) Tighten the set screw at a moment when the water discharge is stopped by turning the shaft
slowly.
(9) Repeat the above procedures until all the gaps are adjusted.
1.5m
Open