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10HP - 20HP Scroll Enclosure Air Compressors 

Pg 3 

MAINTANANCE SCHEDULE 

Item 

Action Needed 

Operating Hours 

 

 

500 

2500 

5000 

10,000 

20,000 

Remarks 

Intake Filter 

Replace 

 

 

 

 

 

Every 2500 hours or less 

Ventilation Screen 

Clean 

 

 

 

 

 

Every 500 hours or less 

Air End/Blower Fan 

Clean 

 

 

 

 

 

Every 5000 hours or less 

Fan Duct 

Clean 

 

 

 

 

 

Every 5000 hours or less 

Compressor Fins 

Clean 

 

 

 

 

 

Every 2500 hours or less 

Compressor 

Grease 

 

 

 

 

 

Use genuine Powerex grease     

(every 5000 hours for High         

Pressure Models) 

Tip Seal 

Replace 

 

 

 

 

 

(every 5000 hours for High         

Pressure Models) 

Dust Seal  

Inspect, Replace 

 

 

 

 

 

(every 5000 hours for High         

Pressure Models) 

V-belt  

Inspect, Replace 

 

 

 

 

*Readjust 

Pressure Sensor 

Confirm        

Operation  

 

 

 

 

 

Check touchscreen for pressure rise 

and fall 

Magnetic Starter 

Inspect 

 

 

 

 

 

Replace if contact points are        

deteriorated/excessive arching 

Check Valve 

Inspect 

 

 

 

 

 

Confirm operation by watching pump 

and motor shut off and stop turning 

Safety Valve 

Confirm            

Operation 

 

 

 

 

 

Every 500 hours or less.  Pull ring to 

make sure not stuck or plugged. 

Ventilation Fan 

Inspect 

 

 

 

 

 

Confirm ventilation air is exiting 

Motor Pulley 

Inspect Groove/ 

Make sure tight 

on shaft 

 

 

 

 

 

Replace if abnormal wear is detected 

Motor 

Inspect 

 

 

 

 

 

Replace if abnormal noise is       

detected./ Make sure electrical    

connections are secure. 

Intake Hose 

Inspect 

 

 

 

 

 

Replace if damaged or deteriorating 

Braided Hose 

Inspect, Replace 

 

 

 

 

 

Make sure there are no leaks 

Aftercooler 

Clean outside 

 

 

 

 

 

Every 5000 hours or less 

Operating Panel 

Inspect monitor 

daily 

 

 

 

 

 

Verify pressure/Check for alarm 

notification 

Piping 

Inspect for leaks 

 

 

 

 

 

Every 2500 hours or less 

NOTES:                                                                                                                                                                                             

1. Inspect and perform maintenance periodically according to the maintenance schedule.                                                                       
2. The maintenance schedule relates to the normal operating conditions. If the circumstances and load condition are adverse,  
shorten the cycle time and perform maintenance accordingly.                                                                                                                   
3. *Marked “Readjust” means the tension of the V-belt should be adjusted during the initial stage and inspected every 2,500 
hours afterwards.  

Inspect 
Replace  

Replace Pump 

Summary of Contents for SED1007E

Page 1: ...rbited around the fixed scroll the pockets formed by the meshed scrolls follow the spiral toward the center and diminish in size The moving scroll is prevented from rotating during this process so the 180 phase relationship of the scrolls is maintained The compressor s inlet is at the outer boundary of the scrolls The entering gas is trapped in two completely opposite gas pockets and compressed as...

Page 2: ...mperature or bad ventilation 2 Clogging of aftercooler fins or intake wire screen 3 Failure of ventilating fan 4 Damage to intake hose 5 Cooling passage of air end clogged 6 High exhaust pressure 1 Improve installation environment ventilation 2 Clean 3 Replace 4 Replace 5 Inspect and clean 6 Inspect control malfunction likely Alarm Screen Motor Overload 1 Low voltage 2 Motor Failure 3 Air end fail...

Page 3: ...afety Valve Confirm Operation Every 500 hours or less Pull ring to make sure not stuck or plugged Ventilation Fan Inspect Confirm ventilation air is exiting Motor Pulley Inspect Groove Make sure tight on shaft Replace if abnormal wear is detected Motor Inspect Replace if abnormal noise is detected Make sure electrical connections are secure Intake Hose Inspect Replace if damaged or deteriorating B...

Page 4: ...se fitting and supply the proper volume of grease as indicated on the grease delivery chart See chart below Model 1st Time 2nd Time O S Bearing 7 times 6 times Pin Crank Bearing O S Side 7 times 7 times GREASE PIN CRANK BEARING Figure 6 1 Remove fan duct 2 Key 5 2 Remove the nuts and bolts and then the fixed scroll from the air end 3 Grease all three pin crank bearings as indicated on the grease d...

Page 5: ...volute curving spiral See Figure 9 This is to be done for both FS and OS sets Use caution not to tear or distort lip 1 Insert new HP tip seal from the center section for OS or Orbit Scroll so that there will be no clearance at the tip start section See Figure 8 and 9 2 Insert so that new LP tip seal will contact closely with HP tip seal inside Scroll Groove Insert approximately half of the LP tip ...

Page 6: ...al set reassemble Fixed Scroll set to the Orbit Scroll Tighten nuts and bolts temporarily and confirm if pump pulley rotates smoothly by hand and tighten them firmly Tightening torques are in the chart below First Second 175 in lbs 265 in lbs Bolt Torque NOTE Assemble so that dust seal and tip seal will not drop between Orbit Scroll set and Fixed Scroll set ...

Page 7: ...Screen 5 V Belt 6 Intake Filter Element 7 Temp Switch 8 Pressure Sensor 9 Check Valve 10 Safety Valve 11 1 Magnetic Contactor 11 2 Motor Protector 12 1 Distribution Block 12 2 Distribution Block Cover 13 Inlet Plate 16 Inlet Gasket 14 Exhaust Fan 15 Control Transformer 19 Fuses 17 Braided Hose 18 Aftercooler Pg 7 ...

Page 8: ...AV 2 3 4 2 2 Motor 575V MC303307AV 2 34 3 Motor Pulley PU009754AV 2 3 4 4 1 PLC PE000420AV 1 4 2 Touch Screen HMI panel PE000417AV 1 5 3VX belt BT012900AV 4 6 8 6 Intake filter element ST073907AV 1 7 Temp Switch AM003011AV AM003012AV AM003011AV AM003012AV AM003011AV AM003012AV 2 3 4 8 Pressure Sensor PE000450AV 1 9 Check Valve IP087700AV 2 3 4 10 Safety Valve V 215400AV V 215401AV V 215400AV V 215...

Page 9: ...V 2 3 4 12 1 Distribution Block PE000622AV 1 12 2 Distribution Block Cover PE000640AV 1 13 Inlet Plate IP088400AV 2 3 4 14 Exhaust fan SM001301AV 2 3 4 15 1 Control Transformer 208 230 460V PS005850AV 1 15 2 Control Transformer 575V PS005839AV 1 16 Inlet Gasket IP088200AV 2 3 4 17 Braided Hose SM001501AV 2 3 4 18 Aftercooler SL300100AV 2 3 4 19 1 Primary Fuses 208V JP007710AV 2 19 2 Primary Fuses ...

Page 10: ...0AV 1 4 Fan Duct 1 IP601400AV 1 5 Fan Duct 2 02519042 1 6 Fan Cover IP601700AV 1 7 Fan Dust Gasket 1 IP601900AV 1 8 Heat Insulation Pipe IP602000AV 1 9 Fan Duct Gasket 2 IP602400AV 1 10 Long Nipple 96647011 1 11 Dust Cap IP603500AV 1 12 Tip Seal Set 92832070 92832080 1 Grease Gun Kit IP616201AJ Grease Gun IP616101AJ Grease IP600000AV NOT SHOWN PARTS DIAGRAM LIST ...

Page 11: ...NOTES 10HP 20HP Scroll Enclosure Air Compressors Pg 11 ...

Page 12: ...roduct This warranty applies to the exchange of part s found to be defective by an Authorized Powerex Service Center only d Coverage The above mentioned warranty applies to Powerex manufactured units or systems only e Exceptions Notwithstanding anything contrary herein Powerex shall have no warranty obligations with respect to Products i that have not been installed in accordance with Powerex s wr...

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