Safety First .............................................................................................................................................. 3

Summary of Changes .............................................................................................................................. 5

SECTION 2

Description & Application ....................................................................................................................... 6

Principles of Compression Cycles ........................................................................................................... 6

Principles of Lubrication Systems .......................................................................................................... 7

Principles of Cooling Systems ................................................................................................................. 7

Principles of Dryers & Filters ................................................................................................................. 7

Control Components ................................................................................................................................ 7

Control Versions ...................................................................................................................................... 7

Specifications ........................................................................................................................................... 9

SECTION 3

Receiving Delivery ................................................................................................................................. 10

Freight Damage ..................................................................................................................................... 10

Location .................................................................................................................................................. 11

Electrical Supply Requirements ........................................................................................................... 12

Mounting ................................................................................................................................................ 13

System Components .............................................................................................................................. 13

Wiring Schematics ................................................................................................................................. 14

Induction System ................................................................................................................................... 16

Compressed Air Discharge System ....................................................................................................... 17

SECTION 4

Pre-starting Checklist ........................................................................................................................... 22

Initial Starting & Operating ................................................................................................................. 23

Daily Starting Checklist........................................................................................................................ 24

SECTION 5

Stopping for Maintenance ..................................................................................................................... 25

Maintenance Schedule .......................................................................................................................... 25

Maintenance Schedule Checklist Sample ............................................................................................ 25

Lubrication ............................................................................................................................................. 26

Pulley / Sheave Alignment & Belt Tension .......................................................................................... 27

Pressure Switch Adjustment................................................................................................................. 29

Reversal of Compressor Rotation ......................................................................................................... 29

Pilot Valve Adjustments ........................................................................................................................ 31

SECTION 6

Troubleshooting ..................................................................................................................................... 32

SECTION 7

Approximate Capacity Correction for Altitude .................................................................................... 36

Average Intercooler Pressures .............................................................................................................. 37

Decal Locations ...................................................................................................................................... 38

QR-25 Series

52201-107, December 2012

Contents

mAINTENANCE & LubRICATION

SYSTEm DYNAmICS

INSTALLATION

START-up & OpERATION

TROubLEShOOTINg

REFERENCE INFORmATION

Quincy Compressor

3501 Wismann Lane, Quincy IL - 62305-3116

SAFETY