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Quincy Compressor
Air Compressor
QMA Series
Quincy Compressor QMA Series User Manual
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Instruction
Manual
for
QMA
SERIES
COMPRESSORS
,
CAUTION
Air
compressors
are
complicated
and
can
cause
serious
injury
or
death
if
operated
improperly.
Before
installing
or
operating
this
compressor,
read
and
understand
this
manual,
and
follow
all
safety
precautions!!
I
Part
#:
50063-103
Date
of
Issue:
March
1997
2
Table of Contents
Table of Contents
2
Standard Warranty
4
Safety Hazard Symbols
5
Model Identification
6
Cooling Data
7
Technical Data
7
Technical Data Sheet
7
Water Cooled Cooling Data
7
Compressor Fluid Data
8
Dimensions
8
Sound Data
8
Typical Energy Data
8
General
28
Safety Precautions and Warnings
28
Air Flow
30
Capacity Control System
30
Electrical System
30
Generaldescription
30
Indicators and Gauges
30
OMA Series Air Compressors
30
The Compression Cycle
30
Air Cooled Air/Fluid Flow
31
Air Cooled Fluid Coolers
31
Water Cooled Fluid and Water Piping
32
Water Cooled Fluid Coolers
32
Aftercoolers
33
Air/Fluid Reservoir and Air/Fluid Separator Element
33
Auto/Dual Optional
33
Capacity Control System
33
Across the Line Starting Control Piping Schematic
34
50/50H/60 Wye-Delta Starting Control Schematic
35
QMA 75 Across the Line Starting Control Schematic
36
Q1’Vla75 Wye-Delta Starting Control Schematic
37
QMA 100/125/150 Across the Line Starting Control Schematic
38
QMA 100/125/150 Wye-Delta Starting Control Schematic
39
Auto/Demand Optional
40
Electrical System
40
High Air Temperature Safety Switch
40
Lead/Lag Optional
40
Air Pressure Gauge
41
Gauges
41
Hourmeter
41
Indicators
41
Location
42
Piping Connection
42
Piping Fit-Up
42
Section 3- Installation
42
Receiving
42
Movingtheunittothe Installation Site
42
Piping Connections
43
Piping Fit up
43
Pressure Relief Valves
43
Electrical
43
Pneumatic Circuit Breakers or Velocity Fuses
44
Manual Relief and Shutoff Valves
44
Safety Labels/Decals
44
Guards
44
Instructionmanual
44
Air Cleaner
45
Fluid Level
45
Compressor Rotation
45
Fan Rotation
45
Operating Procedures
46
Prior to Starting
46
Starting the Compressor
46
Stopping the Compressor
46
Section 4- Procedures
46
Stoppingthe Compressor-Normal Operation
46
Stoppingthe Compressor-Emergency Operation
46
Preparing for Maintenance or Services
47
Servicing
48
Lubricating and Cooling Fluid
48
Safety
48
Fluid Specifications
48
Compressorfluidfilter
48
Understandingthe Analysisreport
48
Compressorair/Fluidseparator Element
48
Fluid Specifications
49
Understanding the Analysis Report
49
Compressor Fluid Filter
49
Lubricating, Cooling Fluid Analysis Report
50
Parameter Chart
51
Compressor Air/Fluid Separator Element
52
Fluid Scavenging System
53
Control Line Air Filter
53
Compressor Shaft Fluid Seal
53
Seal Removal
53
Seal Installation
55
O-Ring Fittings
55
SAE Straight Thread O-Ring Fitting
56
Service Adjustments
58
Differential Pilot Valve
58
Water Temperature Regulating Valve
58
Water Cooled Heat Exchangers
58
Pressure Switch
58
Troubleshooting
60
Failure to Start
60
Unscheduled Shutdown
60
Thermal Overload Relays Tripping
61
Low Air Delivery
61
Low Receiver Pressure
61
High Reservoir Pressure
62
High Discharge Air Temperature
62
Excessive Fluid Consumption
63
Frequent Air/Fluid Separator Clogging
63
Fluid Coming out through the Blowdown Valve
64
Frequent Fluid Filter Clogging
64
Frequent Air Cleaner Clogging
64
Inlet Valve Not Opening or Closing in Relation to Air Demand
65
Compressor Does Not Unload
65
Too Rapid Cycling between Load and Unload
66
Excessive Water in Plant Air Distribution System
66
Pressure Relief Valve Blows
67
Section 9- Maintenance Schedule
68
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Quincy Compressor QMA Series Specifications
General
Brand
Quincy Compressor
Model
QMA Series
Category
Air Compressor
Language
English
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