Service and repair
8-58
10070389 Rev. A
Puritan Bennett™ 700 Series Ventilator System Service Manual
8.12.2 Removing/installing piston/cylinder and motor/encoder assemblies
(See Figure 8-45). Remove the piston/cylinder and motor/encoder assemblies (with inspiration
manifold assembly), as follows. Install by reversing removal procedure.
1.
Open and prop lid (Section 8.5.1).
2.
Remove inspiration access panel and air intake manifold assembly (Section 8.6.6).
3.
Remove oxygen regulator and oxygen solenoid assembly (Section 8.7, steps 1 through 4).
4.
Remove exhalation assembly (Section 8.9.3).
5.
Remove cable management bar partially, to clear space for piston/cylinder removal
(Section 8.10.5).
6.
Disconnect tubing and harnesses as required to gain access to cylinder.
7.
Using flat-bladed screwdriver with a long shank, loosen two captive knurled screws
located at either side of cylinder on bottom.
8.
Using 4-mm hex driver, remove one M5 x 12 screw, flat washer, and split-ring washer
from back of ventilator, just to left of fan. Lift out piston/cylinder assembly.
9.
Remove inspiration manifold assembly from piston/cylinder assembly (Section 8.8.4,
step 5).
10. Remove mixing manifold assembly from piston/cylinder assembly (Section 8.7, step 7).
11. Using 4-mm hex driver, remove motor/encoder by removing four M5 x 20 screws, flat
washers, and split-ring washers.
12. If desired, remove rack cover by using 2.5-mm hex driver to remove three M3 x 12 screws
and split-ring washers (two are shown in Figure 8-45).
Caution
Always perform the gear mesh procedure (Section 8.12.4) to reinstall the motor/
encoder to the piston/cylinder assembly. The failure to perform this procedure properly
may result in damage to the piston/cylinder assembly.
NOTE:
When installing a new piston/cylinder assembly, always do the following: (1) input the
calibration constants of the new assembly into NVRAM (Section 4), (2) install
calibration constants label supplied over existing “PUMP ASSEMBLY” section of
calibration constants label on underside of ventilator lid, (3) grease the rack, and (4)
perform the gear mesh procedure.
Содержание Puritan Bennett 700 Series
Страница 1: ...Service Manual Puritan Bennett 700 Series Ventilator Systems TM...
Страница 18: ...xviii 10070389 Rev A Puritan Bennett 700 Series Ventilator System Service Manual This page intentionally blank...
Страница 24: ...xxiv 10070389 Rev A Puritan Bennett 700 Series Ventilator System Service Manual This page intentionally blank...
Страница 160: ...3 22 10070389 Rev A Puritan Bennett 700 Series Ventilator System Service Manual This page intentionally blank...
Страница 186: ...4 26 10070389 Rev A Puritan Bennett 700 Series Ventilator System Service Manual This page intentionally blank...
Страница 398: ...9 64 10070389 Rev A Puritan Bennett 700 Series Ventilator System Service Manual This page intentionally blank...
Страница 414: ...A 16 10070389 Rev A Puritan Bennett 700 Series Ventilator System Service Manual This page intentionally blank...
Страница 438: ...12 10070389 Rev A Puritan Bennett 700 Series Ventilator System Service Manual This page intentionally blank...
Страница 439: ......