Med Air System - VA duplex Reciprocating.pdf
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- Solicitation number
- 36C24426R0119
About this file
This document is a maintenance service report for a medical air system at VA Medical Center Erie, dated December 11, 2024. The report documents the inspection and servicing of a Lifeline Duplex Medical Air system (Model OHT-7TDX-D120-072299, Serial 25551) manufactured August 20, 1999, located in the basement mechanical area. The system comprises two Hitachi 5.5OU-8.5CH compressors with run hours of 8,464 and 8,814 respectively. During the inspection, technicians tested system operation, all alarms, and replaced line filters. Motor amperage readings were documented for four motors, and both CO and dew point monitors were calibrated and tested to acceptable standards with readings of 20 PPM and 7 respectively.
The service report identifies multiple deficiencies requiring corrective action. Key issues include a bottom brass regulator requiring replacement with a gauge, right dryer #2 malfunction (not purging or functioning correctly), and a line regulator rated at 50 psi that needs replacement. Parts used included two cogged belts. The technician recommends complete replacement of the medical air package and installation of a new dryer package with line filters, CO monitor, and dew point controller, citing the system's age and multiple issues. A detailed quote was requested for replacement parts including two pressure tower gauges, one switching valve, one purge valve, two check valves, one muffler, and three bags of desiccant for dryer changes. MedPipe performed the service work with contact technician RG/TP at 814-853-5430.
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Text version
Facility Job # 622374
Address SO # 622374
Trip # 1
Contact Year 2024
Email Date 12/11/24
Phone Tech RG/TP
R 12/11/24 R 12/11/24
A A
A A
A 01/24/24 A 01/24/24
A A
A A
A A
A A
90-105 psi
85-100 psi Audible Yes psi Visual Yes psi
RPM
Manuf/Model/SN: Manuf/Model/SN:
Gas Conc.= 20 PPM
Pass
R 12/11/24
R 12/11/24
A
NR right
NA = Not Applicable
Local Lag Alarm
GFG 4021 AR KAHN-AA05-052 (SF72)
A
Motor Information Section
Volts L1 to L2
Frame Size Voltage Full Load Amps
Lag 3 Pressure Switch
Efficiency Service Factor
Reading after Cal 20 PPM
Dew Point Monitor
D.P. Reading (as found)
Measured D.P. (Medpipe)
Sensor Replaced ?
No
Test Gas Reading
Cal Performed ?
20 PPM
Yes
Sensor Replaced ? No
CO Monitor
D.P. Reading (as left) 7
Horse Power
Volts L2 to L3
Volts L1 to L3
Motor #1 Motor # 2 Motor # 3 Motor #4
19.50 AMPS
20.10 AMPS
20.40 AMPS
20.10 AMPS
20.40 AMPS
20.30 AMPS
Lag 2 Pressure Switch
28.50 AMPS
A
A
A
Thermal Overload Settings
Transformer Condition
Panel Lamps
Panel Relays
Lead Pressure Switch
Relief Valves
High Temp Shutdown
Crankcase Filter
Rider and Piston Rings
Starter Contacts
814-853-5430
Discharge Check Valves
Unloaders and Solenoids
Inlet Filters
After Cooler Drain Valves
Belt Tension and Condition
141°F
Model #
Serial #
Run Hours
Hitachi 5.5OU-8.5CH
28.50 AMPS
Lag 1 Pressure Switch
LEGEND
A = Acceptable
U = Unacceptable
R = Repaired
NR = Needs Replaced
Job Information
Pump # #1 #2 #3 #4
Customer System #
Lifeline Duplex Medical Air system
OHT-7TDX-D120-072299
25551
08/20/99
Basement floor mechanical
562 ee8386 pmi sn
System Description
System Model #
System Serial # david.dombkowsi@va.org
Manufacture Date
System Location
System Information
VA Medical Center Erie
Customer Information
135 East 38th Street
Erie,PA 16504
David Dombkowski
140°F private label
Discharge Temperature
74°FRoom Temperature
Hitachi 5.5OU-8.5CH private label
8,814
Auto Blow DownPurge Select Controlled
After Filters
Discharge Check Valve
Mufflers
Unit On Line (as found)
Unit On Line (as left)
Dryers
Dryer #2 Pre Filters
Dryer #1
Selector Switch On
Lamps
Suction Pressure
Blow Down Valve mailto:david.dombkowsi@va.org mailto:david.dombkowsi@va.org mailto:david.dombkowsi@va.org
NR right Float DrainLine Regulator 50ps (NR) Bottom Solenoids
Quantity
Part Number Part Description
Cogged belts belts 1,2 see above
Replace Medical air package with new and install new dryer package with line filters co monitor dew point controller upgrade system due to age and issues if possible-will quote finding for repairs of this system
Recommendations
Comments
Parts Used
Deficiencies
None
Regulator bottom 1/2" needs replaced with gauge rebuild right dryer #2 not purging or functioning correctly at this tim
Tested system operation and all alarms, replaced line filters found bottom brass regulator creeping up and down allow top line regulator to remain on-line right side dessicant dryer not functioning correctly
Lifeline Model DRY05-002L Serial: C82856
Quote Qty 2 pressure tower gauges, Qty 1 switching valve, Qty 1 purge valve, Qty 2 check valves Qty 1 muffler qty 3 bags of dessicant or enough to perform qty 2 dryer desiccant changes
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