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13-21-615 v01     Page 78 

 

 

 

 
 
 
 

 

Maintenance Schedule 

As in

di

c

ate

d b

y

 Con

trol

le

Eve

ry 8 ho

urs 

of op

era

ti

on

 

Eve

ry 12

5 h

ou

rs of 

op

era

tio

n

 

Pe

r oil

 a

na

lys

is

 resu

lts

 

66

 mon

ths/2

2000

h

ou

rs

 

72

 mon

ths/2

4000

h

ou

rs

 

78

 mon

ths/2

6000

 ho

urs

 

84 

mon

ths/2

8000

h

ou

rs

 

90

 mon

ths/3

0000

h

ou

rs

 

96

 mon

ths/3

2000

h

ou

rs

 

10

2 mo

nth

s/34

00

0

hours

 

10

8 mo

nth

s/36

00

0

hours

 

 

11

4 mo

nth

s/38

00

0 h

ou

rs

 

 

12

0 mo

nth

s/42

00

0

hours

 

Check air/oil reservoir oil level 

 

 

 

 

 

 

 

 

 

 

 

 

 

Check operation of the machine, is it loading and unloading 

 

 

 

 

 

 

 

 

 

 

 

 

 

Check discharge pressure and temperature 

 

 

 

 

 

 

 

 

 

 

 

 

 

Check control panel for advisory text messages 

 

 

 

 

 

 

 

 

 

 

 

 

 

Inspect, Clean if necessary Cooler / Fan 

 

 

 

 

 

 

 

 

 

 

 

 

 

Replace oil filter element 

 

 

 

 

Control Box Filter (if app.) 

 

 

 

 

Replace cool air inlet filter pad (if app.) 

 

 

 

 

Replace air filter element 

 

 

 

 

Oil Sample 

 

 

 

 

Replace Air/Oil Separator 

 

 

 

 

 

 

 

 

 

Inspect, clean if necessary scavenge line, replace check 

 

 

 

 

 

 

 

 

 

Inspect, service if necessary Inlet Valve 

 

 

 

 

 

 

 

 

 

Visually check for leakage Shaft Seal 

 

 

 

 

 

 

 

 

 

Inspect, re-grease if necessary Motor Bearings 

 

 

 

 

 

 

 

 

 

Inspect, Replace if necessary Drive Belts (if app.) 

 

 

 

 

 

 

 

 

 

Replace Lubricant * 

 

 

 

 

 

 

 

Check Pressure Relief Valve 

 

 

 

 

 

 

 

 

 

Inspect, replace if necessary Solenoid Valves / Vacuum 

 

 

 

 

 

 

 

 

 

 

 

Inspect, replace if necessary Blow-Down Valve 

 

 

 

 

 

 

 

 

 

 

 

Inspect, replace if necessary Thermistor Probes 

 

 

 

 

 

 

 

 

 

 

 

Inspect, replace if necessary Pressure Transducer 

 

 

 

 

 

 

 

 

 

 

 

Inspect, replace if necessary Min. Pressure/Check Valve 

 

 

 

 

 

 

 

 

 

 

 

Inspect, replace if necessary Thermal Mixing Valve 

 

 

 

 

 

 

 

 

 

 

 

Inspect, replace if necessary The Drive Coupling Spider 

 

 

 

 

 

 

 

 

 

 

 

Inspect, replace if necessary Hoses 

 

 

 

 

 

 

 

 

 

 

 

Inspect, repair if necessary Turn Valve 

 

 

 

 

 

 

 

 

 

 

 

Содержание SAVG2-100

Страница 1: ...ELECTRA SAVER SAVER II G2 BASE MOUNTED COMPRESSOR SAV75 100G2B ST75 100G2B Operating Service Manual MODELS SAVG2 75 STG2 75 75 HP SAVG2 100 STG2 100 100 HP 13 21 615 Version 01 December 30 2020...

Страница 2: ...he necessary parts to simplify servicing your compressor Authorized distributor service technicians are factory trained and skilled in compressor maintenance and repair They are ready to respond and a...

Страница 3: ...ay to day operation maintenance and adjustment Careful adherence to these instructions will result in economical operation and minimum downtime Boxed text formats are used within this manual to alert...

Страница 4: ...erate injury Asphyxiation Hazard Poisonous Fumes or Toxic Gases in Compressed Air Burn Hazard Hot surface PROHIBITION MANDATORY ACTION REQUIREMENTS Do not Operate Compressor with Guard Removed Lockout...

Страница 5: ...Open main disconnect switch lockout and tagout before working on the control wait 10 minutes and check for voltage Failure to observe these notices could result in damage to equipment Stop the unit if...

Страница 6: ...eral Information 8 Section 2 Installation 12 Section 3 Starting Operating Procedures 22 Section 4 Controls Instrumentation 34 Section 5 Lubrication Oil Cooler Oil Filter Separator 51 Section 6 Air Fil...

Страница 7: ...Oil Sampling Valve 60 Oil Separator Compressor GD Eliminator 67 Inspection 68 Oil Carryover 67 Pressure Differential Gauging 68 Removal For Inspection Or Replacement 69 Oil Specifications 51 Oil Syst...

Страница 8: ...30 Figure 3 9 Active Alarms Screen 31 Figure 3 10 Jogs Motor Screen 32 Figure 4 1 Controller Keypad 33 Figure 4 2 Schematic Tubing Diagram 34 Figure 4 3 Minimum Discharge Pressure Check Valve 35 Figu...

Страница 9: ...ns as rotors unmesh at the inlet port and air is drawn into the cavity between the main rotor lobes and secondary rotor grooves A When the rotors pass the inlet port cutoff air is trapped in the inter...

Страница 10: ...discharges into the compressor main oil gallery A portion of the oil is directed through internal passages to the bearings gears and shaft oil seal The balance of the oil is injected directly into th...

Страница 11: ...13 21 615 v01 Page 10 Figure 1 4 COMPRESSOR MOTOR SIDE Figure 1 5 COOLER RESERVOIR SIDE 319EBD797 00 Ref Drawing...

Страница 12: ...13 21 615 v01 Page 11 307EBD797 EA Ref Drawing Figure 1 6 AIR OIL FLOW DIAGRAM...

Страница 13: ...ON 2 INSTALLATION GENERAL On receipt of the unit check for any damage that may have been incurred during transit Report any damage or missing parts as soon as possible LIFTING UNIT Proper lifting and...

Страница 14: ...ectric motor cooling Air is drawn into the unit at the motor side of the enclosure and is exhausted at the oil cooler side Do not block the air flow to and from the unit Allow three and one half 3 1 2...

Страница 15: ...d control box side of the unit Allow three 3 feet 9 m to the nearest obstruction above and on other sides of the unit FOUNDATION The Gardner Denver Rotary Screw compressor requires no special foundati...

Страница 16: ...d will depend on the severity of the environment The following are general guidelines for outside installations Cold Weather Down To 10 F 12 C 1 Be sure all drains traps and control lines including pr...

Страница 17: ...eceiver is not required if the piping system is large and provides sufficient storage capacity to prevent rapid cycling When used an air receiver should be of adequate size provided with a relief valv...

Страница 18: ...to another compressor be sure the other compressor has a check valve in the line between the machine and the manifold If a rotary screw and a reciprocating compressor are manifolded together anair re...

Страница 19: ...ater Flow will cause severe erosion and will void unit warranty Figure 2 6 AFTERCOOLER APPROXIMATE WATER FLOW WATER PIPING Water Cooled Heat Exchanger Models Only On machines equipped with water coole...

Страница 20: ...water warmer than 90 F 32 C is used higher compressor oil inlet temperatures and high water usage will result Most water systems will require control of impurities filtration softening or other treatm...

Страница 21: ...0 F to 150 F 60 C to 66 C range regardless of inlet water flow or temperature as long as a minimum flow for a given temperature is met Figure 2 5 page 17 and Figure 2 6 page 18 See Section 5 for adjus...

Страница 22: ...add grease with a hand operated grease gun Only enough grease should be added to replace the grease used by the bearing Too much grease can be as harmful as insufficient grease The grease cavity shou...

Страница 23: ...y show the oil level in EXCESS OIL range After start up the oil will fall into the operating range as system components are filled If necessary add oil to bring the level to the top of full range when...

Страница 24: ...rly grounded according to Section 250 of the National Electrical Code 7 Rotation Check for correct motor rotation by jogging the motor See Machine Configuration Menu in the Controller Operating and Se...

Страница 25: ...by pressing RUN Since the unit is equipped with a minimum 65 psig 4 5 bar pressure discharge valve no special procedure to maintain unit reservoir pressure is required Unit Hot No warm up period is re...

Страница 26: ...he controller verify the pressure setting and operating mode and start the compressor Logging In Before making any changes to the settings on the controller you must log in with an appropriate access...

Страница 27: ...towards distributors and service technicians Factory Contact Gardner Denver Full access to all settings and features The password rotates automatically throughout the life of the machine It may not be...

Страница 28: ...he Settings Configuration menu as shown in Figure 3 3 Figure 3 3 Configuration Menu First ensure that the units are set as desired by selecting the Locale link from the Configuration menu The Pressure...

Страница 29: ...mezone properly ensures that daylight savings time adjustments will be accounted for automatically The Date and Time Configuration screen is shown in Figure 3 5 Figure 3 5 Date and Time Configuration...

Страница 30: ...gs of the machine are acceptable for most installations However if the Pressure Band displayed on the gauge on the Home screen does not match the desired pressure range for the site the Pressure Band...

Страница 31: ...d maximum values that will be allowed for each box will change dynamically based on the design pressure of the machine as well as the values of the other settings For example to increase the Load pres...

Страница 32: ...ge Status Bar on the Home screen or by navigating to Alarms Active Alarms through the Menu The Active Alarms screen is shown in Figure 3 9 Figure 3 9 Active Alarms Screen If the alarm icon in the Alar...

Страница 33: ...wn as shown You will need to jog both individually to verify correct rotation The Jog Delay field allows you to delay the start of the jog from the time that you press the Start Jog button This is to...

Страница 34: ...ee to the Wiring Diagrams listed by voltage at the end of this section for more details on the location of the referredhardware Governor Controller The compressor package features the Governor Control...

Страница 35: ...oil reservoir outlet ahead of the minimum pressure valve When the solenoid is de energized the valve opens and the coolant system is blown down When the solenoid is energized the valve closes to allow...

Страница 36: ...approximately 65 psig in the oil reservoir When the air pressure on the upstream reservoir side of the valve rises above 65 psig the spring is overridden and the valve opens to full porting The valve...

Страница 37: ...both valves de energized the normally open IVC valve allows control pressure to the inlet piston to close the valve If IVC only is energized the inlet valve is held in its current position If both val...

Страница 38: ...nd of the actuator left side of the compressor and using a rod to push the pistons to the full load position The rod must be clean and free of burrs and scale Take care not to scrape the cylinder wall...

Страница 39: ...ure and shut down the compressor if a coolant problem is detected Separator Temperature Sensor This sensor is located near the separator and is used to monitor temperature and shut down the compressor...

Страница 40: ...ntrol and overload protection for the main drive motor Wiring diagrams for typical Wye Delta applications are illustrated on pages 43 thru 50 Overload protection is provided for each motor on voltage...

Страница 41: ...13 21 615 v01 Page 40 FIGURE 4 6 COMPRESSOR PACKAGE P ID 300EBF797 EB Ref Drawing...

Страница 42: ...Modulate Closed Off Closed On Closed Off Open On Closed On On A D D Open Increasing Open TV Modulate Closed Off Closed On Open On Closed Off Closed On On A D D Open Decreasing Open IV Modulate Open O...

Страница 43: ...it before doing any service or diagnostics on the electrical system FIGURE 4 8 ELECTRA SAVER II WIRING DIAGRAMS WIRING DIAGRAM HP VOLTAGE STARTER 326EBF546 75 460 3 60 YES 327EBF546 75 575 3 60 YES 10...

Страница 44: ...13 21 615 v01 Page 43 328EBF546 02 Ref Drawing Page 2 of 12 FIGURE 4 9 WIRING DIAGRAM WYE DELTA AIR COOLED WATER COOLED 100 HP 460 VOLT...

Страница 45: ...13 21 615 v01 Page 44 328EBF546 02 Ref Drawing Page 3 of 12 FIGURE 4 10 WIRING DIAGRAM WYE DELTA AIR COOLED WATER COOLED 100 HP 460 VOLT...

Страница 46: ...13 21 615 v01 Page 45 328EBF546 02 Ref Drawing Page 4 of 12 FIGURE 4 11 WIRING DIAGRAM WYE DELTA AIR COOLED WATER COOLED 100 HP 460 VOLT...

Страница 47: ...13 21 615 v01 Page 46 328EBF546 02 Ref Drawing Page 5 of 12 FIGURE 4 12 WIRING DIAGRAM WYE DELTA AIR COOLED WATER COOLED 100 HP 460 VOLT...

Страница 48: ...13 21 615 v01 Page 47 328EBF546 02 Ref Drawing Page 6 of 12 FIGURE 4 13 WIRING DIAGRAM WYE DELTA AIR COOLED WATER COOLED 100 HP 460 VOLT...

Страница 49: ...13 21 615 v01 Page 48 328EBF546 02 Ref Drawing Page 7 of 12 FIGURE 4 14 WIRING DIAGRAM WYE DELTA AIR COOLED WATER COOLED 100 HP 460 VOLT...

Страница 50: ...13 21 615 v01 Page 49 328EBF546 02 Ref Drawing Page 8 of 12 FIGURE 4 15 WIRING DIAGRAM WYE DELTA AIR COOLED WATER COOLED 100 HP 460 VOLT...

Страница 51: ...13 21 615 v01 Page 50 328EBF546 02 Ref Drawing Pages 9 10 11 of 12 FIGURE 4 16 WIRING DIAGRAM WYE DELTA AIR COOLED WATER COOLED 100 HP 460 VOLT...

Страница 52: ...scharged to the oil reservoir where a large part of the entrained oil drops out of the air stream the air then passes through the final oil separator where most of the remaining oil is removed The sep...

Страница 53: ...for detecting moisture is a disciplined lubricant sampling analysis program every 2 000 hours of operation If moisture is observed in the oil reservoir drain the moisture and correct the operating con...

Страница 54: ...is of the chart and then reading the appropriate pressure curve to determine the corresponding dew point temperature on the left axis of the chart The compressor discharge temperature must be maintain...

Страница 55: ...13 21 615 v01 Page 54 300EBF797 EB Ref Drawing Figure 5 3 FLOW DIAGRAM AIR OIL SYSTEM...

Страница 56: ...13 21 615 v01 Page 55 318EBD797 00 Ref Drawing Figure 5 4 OIL FLOW DIAGRAM REMOTE MOUNTED COOLER...

Страница 57: ...ontactor starter will be shipped loose and remote mounted with the cooler by others upon start up at the job site The control box will be wired for remote elevated coolers at the factory NOTICE When c...

Страница 58: ...This will shut the oil stop valve and prevent excessive oil from running into the reservoir Failure to install these parts or installations with pipe lengths and or vertical runs outside the recommend...

Страница 59: ...t lockout and tagout the power supply to the starter 3 Wipe away all dirt around the oil filler plug 4 Remove the oil filler plug and add oil as required to return the oil level to the center of the g...

Страница 60: ...AUGE Figure 1 6 page 11 and Figure 5 5 indicates the amount of oil in the oil reservoir Read oil level only when unit is on In operation the oil level will fluctuate as the compressor loads and unload...

Страница 61: ...nterval AEON 9000SP Change Interval Up to 180 F 82 C 4000 hrs 8000 hrs 180 F to 190 F 82 C to 88 C 3000 hrs 6000 hrs 190 F to 200 F 88 C to 93 C 2000 hrs 4000 hrs 200 F 93 C 1000 hrs 2000 hrs Figure 5...

Страница 62: ...system use one of the following methods 1 If the unit is not elevated high enough to use the oil reservoir drain line to drain oil a small hand electric or air operated pump should be used to drain r...

Страница 63: ...rain back into the oil reservoir and the oil level gauge will read HIGH DO NOT DRAIN OIL TO CORRECT On the next start oil will again fill the system and the gauge will indicate operating at the proper...

Страница 64: ...in the event the element becomes dirty enough to block the flow of oil Use only the replacement element shown on the filter tag or refer to the parts list for the part number Use the following proced...

Страница 65: ...voir to compressor during warm up As oil warms element gradually closes to the bypass allowing more of the oil from the cooler to mix with oil from the bypass After the unit is warmed up the mixing va...

Страница 66: ...n cause scale formation corrosion and plugging of any water cooled heat exchanger equipment Disregarding the possibility that one or more of these conditions exist may result in increased maintenance...

Страница 67: ...e lower edge of the adjusting screw is an index line for use with the index scale 0 to 8 in obtaining a desired setting These valves must be handled with care and proper tools and techniques must be u...

Страница 68: ...l and gauge actuation 303EBD797 Ref Drawing Figure 5 11 OIL SEPARATOR COMPRESSOR GD ELIMINATOR OIL SEPARATOR located in a separate housing consists of a renewable cartridge type separator element and...

Страница 69: ...ssive tilt angle of the unit will also hamper separation and cause oil carryover Oil separator element life cannot be predicted it will vary greatly depending on the conditions of operation the qualit...

Страница 70: ...to the housing Do not use excessive force as separator damage can occur 8 Place the spacer on the indent in the separator Swivel top back into position on top of the reservoir Install and tighten all...

Страница 71: ...et temperature is approximately the same as air discharge temperature see the gauge on the instrument panel The outlet oil temperature may be checked by installing a tee at the oil filteroutlet Oil Co...

Страница 72: ...ing hours depending on dust conditions NOTICE To service 1 Remove the clamp and pull out the filter element 2 Visually inspect the element If cleaning is not necessary reinstall the filter element If...

Страница 73: ...indicate a rupture or crack Inlet Tube Inspect the inlet tube for dirt accumulation each time the filter is serviced Clean the tube when required by ramming a clean dry cloth through the tube Wipe th...

Страница 74: ...and tagout before servicing the coupling SECTION 7 COUPLING Figure 7 1 INSTALLATION OF COUPLING CUSHIONS COUPLING The motor and compressor are direct connected by a resilient type flexible coupling w...

Страница 75: ...compressor half After engaging each hub on the matching recesses of the coupling element check that the gap between the hub flats see dimension E on Figure 8 2 is within 1 10 1 19 in 28 0 30 1mm A sm...

Страница 76: ...ling the same direction as the rotation arrow on the airend Incorrect rotation will greatly decrease the torque carrying capacity of the coupling Rotating machinery can cause personal injury or death...

Страница 77: ...age aluminum in a direction opposite that of the cooling air flow The cleaning operation will keep the exterior cooling surfaces clean and ensure effective heat dissipation Every 1000 hours operation...

Страница 78: ...x x x x x x Replace air filter element x x x x x x x x x x x Oil Sample x x x x x x x x x x Replace Air Oil Separator x x x x x x Inspect clean if necessary scavenge line replace check x x x x x Insp...

Страница 79: ...x x Replace air filter element x x x x x x x x x x Oil Sample x x x x x x x x x x Replace Air Oil Separator x x x x x Inspect clean if necessary scavenge line replace check x x x x x Inspect service i...

Страница 80: ...on 2 Blown fuse in starter 2 Replace fuse investigate control box if fuses continue to blow 3 Motor starter overload 3 Reset and investigate heaters trips cause of overload Compressor does not unload...

Страница 81: ...leaks found 5 Aftercooler is frozen 5 Thaw out This machine cannot operate in temperatures below 32 F 0 C 6 Unload pressure adjusted 6 Adjust the unload too low pressure Excessive oil consumption 1 O...

Страница 82: ...re valve 7 Operation at elevated discharge temperatures 8 Scavenge line check valve failure 5 Use Gardner Denver AEON lubricating coolants 6 Replace seals in valve 7 Reduce temperature See High Discha...

Страница 83: ...service personnel for repair or replacement of any product or part which in the Company s sole judgment is proved not to be as warranted Labor shall be limited to the amount specified in the Company s...

Страница 84: ...For additional information contact your local representative or visit www contactgd com compressors 2020 Gardner Denver Inc Printed in U S A...

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