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Air Compressor
KI-20-125
Rogers KI-20-125 User Manual
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erial #:
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R
otar
y Scr
ew Air Compr
essor
s
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Table of Contents
default chapter
5
Table of Contents
5
Chapter 1 - General Information
9
General
10
Description
10
Principles of Compressor Operation
10
Description of Air Flow
11
Description of Lubricant and Cooling System
14
Spin-On Filter Element
14
Air-Cooled Coolers
15
Temperature Regulating Valve
15
Description of Air and Lubricant Separator System
16
Air/Lubricant Separator Reservoir
16
Separator Element 10 and 20 HP
16
Separator Element 25 to 100 HP
16
Description of Standard Capacity Control System
16
KI Series (10-50 HP) Load/Unload
17
KIV Series (10-100 HP) VFD and Load/Unload
17
Standby Delay Timer
17
Maximum Operating Pressure with Standard Motor
18
Chapter 2 - Installation Instructions
19
Installation
20
General
20
Location
20
Foundation
20
Compressor Rotation
20
V-Belt Drive System (10-50 HP)
21
V-Belt Tension Adjustment
21
V-Belt Alignment
22
V-Belt Inspection
22
D-Face Mounted Drive System (60 to 100 HP)
22
Cooling
23
After Cooler
23
Optional Moisture Separator Drain
24
Package Discharge Service Valve
24
Air Piping
24
Air Receiver
25
Chapter 3 - Electrical Information
26
Electrical
27
Starter and Wiring
27
Voltage
27
Steps for Voltage Conversion
27
Motor Rotation
28
Blowdown Valve
28
Compressor Drive Motor
28
General
29
Motor Bearing Lubrication
29
Local Display
29
Electrical Schematic
29
Compressor Lubricant
30
General
31
Lubricant Service Intervals
31
Lubricant Level Check
31
Lubricant System / Cooling Data
32
Special Maintenance of Compressor Lubricant System
32
Deposits
32
Long Term Storage
33
Changing Lubricants
33
Obtain Sample
33
Lubricant Sample Kit
33
Lubricant Filter
34
Lubricant Filter Change Intervals
35
Separator Element Replacement
35
Spin-On Style, 10 - 20 HP
35
Top hat Style, 25 - 100 HP
35
Lubricant Scavenging System
37
Chapter 5 - Air Inlet Filter Information
40
Air Inlet Filter
41
Air Inlet Filter Service
41
Chapter 6 - Compressor Operations
44
Operations
45
Initial Start-Up Procedure
45
Starting Unit (after Initial Start-Up)
46
Stopping Unit (Normal Shut Down)
46
Service Intervals
47
Daily Checks-Unit Running at Operating Conditions
47
When Required by Indicators or Gauges
47
Monthly
47
Every 1,000 Hours
47
Every 3,000 Hours
47
Every 6,000 Hours
48
Chapter 7 - Troubleshooting
50
Troubleshooting Guide
51
Failure to Start
51
Unscheduled Shutdown
51
Overload Relay Tripping
51
Excessive Lubricant Consumption
52
Excessive Lubricant Carry-Over
52
Frequent Air / Lubricant Separator Clogging
52
Low Reservoir Pressure / Low Air Delivery
53
High Discharge Pressure
53
High Discharge Air Temperature And/Or High Lubricant Injection Temperature
53
Compressor Does Not Load
54
Excessive Cycling between Load and Unload
54
Excessive Water in Plant Air Distribution System
54
Frequent Lubricant Filter Clogging
54
Safety Valve Opens
55
Vibration
55
4
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Rogers KI-20-125 Specifications
General
Model
KI-20-125
Category
Air Compressor
Max Pressure
125 PSI
Tank Capacity
20 Gallons
Phase
Single
Pump Type
Oil-Free
Power
2 HP
Voltage
120V
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