Eastwood QST-80 Instructions Manual Download Page 19

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19

OIL RESERVOIR REASSEMBLY PROCEDURE:

1. 

Set the replacement Moisture Separator into the center bore of the Oil Reservoir with the flange centered in the machined recess 

(FIG 45)

.

2. 

Replace the Head Plate and hold in place by loosely hand threading in 2 of the 8 Head Plate bolts to allow some movement of the Head Plate and avoid 
cross-threading the line fittings.

3. 

Reconnect the oil outflow line at the inlet to the Scroll. 

NOTE:

 Use caution not to cross-thread the compression nut on the stationary line fitting.

4. 

Reconnect the oil line compression fitting at the 90° elbow attached to the Head. 

NOTE:

 Use caution not to cross-thread the compression nut on the 

stationary line fitting.

5. 

Thread in the remaining 6 Head Plate Bolts.

6. 

Torque Head Plate bolts initially to 30 lb-ft [40.7Nm] then to 62 lb-ft [84.3Nm]. 

NOTE:

 Follow Head Plate torquing sequence as shown in 

(FIG 46)

.

7. 

Replace Check Valve housing 

(FIG 47)

.

8. 

Reconnect DIN Connector to the Pressure Sensor and secure by threading on retaining ferrule 

(FIG 47)

.

9. 

Refill with 74 oz. [2.2 liter] of Eastwood #31718 Scroll Compressor Oil.

10. 

Restore power to Compressor. Depress the “START” Button          , run Compressor and check for leaks.

11. 

Press the “OFF” Button          and replace all panels.

FIG. 45

FIG. 46

FIG. 47

8

2

6

3

7

1

4

5

Summary of Contents for QST-80

Page 1: ...QST 80 120 SCROLL COMPRESSOR INSTRUCTIONS Item 32500...

Page 2: ...eliability and longer life CONTENTS 1 QST 80 120 Scroll Compressor 1 3 4 x 3 3 8 Pipe Nipple 1 Side Panel Key 1 Eastwood Instruction Manual SPECIFICATIONS Power Requirement 208 240V 60Hz 31 0 amp 3 ph...

Page 3: ...e compressor is not in use Do not use the unit with the Cover removed Serious injury could occur from contact with moving parts Never direct high pressure airstream to exposed flesh This compressor mu...

Page 4: ...hase COMPRESSOR SITE LOCATION The Eastwood Elite QST 80 120 Scroll Compressor must be located in an indoor area on a firm clean level surface A solid level concrete floor is best Select an area with a...

Page 5: ...the latches FIG 1 Front and rear panels have 2 latches each and are released by turning the key 1 4 of a turn to the respective outside corner End panels have one latch each and are released with 1 4...

Page 6: ...close tolerances Check that the Cover on the Air Filter is latched correctly and hasn t vibrated loose in shipment The two molded in arrows on the base and lid should be aligned FIG 7 AIR LINE CONNEC...

Page 7: ...entarily draw several times its full load amperage It is important to consider this start up surge when specifying circuit breakers or fuses If fuses are used time delay type must be installed The vol...

Page 8: ...on Scrolls Down in Menu Selections E Up Menu Button Scrolls Up in Menu Selections F Selection to Right Button Enables option selection Moves cursor position right G Return Button Exit Menu Page or ret...

Page 9: ...ep 1 6 If correct rotation of the Motor has been verified proceed to COMPRESSOR OPERATION FIG 10 FIG 11 COMPRESSOR OPERATION Depress the START Button of the Control Panel FIG 9 Allow the Tank pressure...

Page 10: ...re at Scroll output may read higher than Gauge Pressure visible at the side of the unit Press 2nd time Displays Scroll Air Temperature FIG 15 Press Again Toggles between Air Pressure and Air Temperatu...

Page 11: ...splays PROD DATE FIG 28 Build date of unit Press Displays SERIAL FIG 29 Serial of unit Press Displays C STATE RX TX FIG 30 This is a manufacturer only check point setting used for calibration purposes...

Page 12: ...for a short period At this point all work demands of the Compressor should be stopped immediately and the Compressor housing should be checked for blockage of cooling air side vent panels or blockage...

Page 13: ...arator Oil Reservoir FF Oil Drain Valve GG Oil Level Sight Gauge HH Oil Fill Port JJ Air Pressure Gauge KK Oil Temperature Sensor LL Pressure Safety Release Valve MM Pressure Sensor NN Compressed Air...

Page 14: ...S 33 34 a FU1 FU2 FU3 Motor Fan Fuses Upper Motor Connections Lower Fan Connections b QF1 Fan Pressure Switch c QF2 Unloading Valve Pressure Switch d KMF Fan Contactor e KM1 Motor Contactor f Transfor...

Page 15: ...ure daily Failure to do causes internal tank corrosion perforation and ultimate failure The following is the moisture draining procedure for the optionally available Eastwood 32501 80 Gallon Vertical...

Page 16: ...the Oil Fill Plug from the upper side of the Oil Reservoir with a 22mm wrench not included FIG 35 4 Unroll the transparent Oil Drain Tube and place the open end into a suitable container FIG 36 5 Open...

Page 17: ...Replace Oil Fill Plug and tighten securely 9 Restore power to Compressor Depress the START Button run Compressor and check for leaks 10 Press the OFF Button and replace all panels AIR FILTER CHANGE 1...

Page 18: ...l line compression fitting at the 90 elbow attached to the Head Plate with a 14mm line wrench not included FIG 43 8 Detach the oil outflow line leading from the center of the Head Plate with a 14mm li...

Page 19: ...line fitting 4 Reconnect the oil line compression fitting at the 90 elbow attached to the Head NOTE Use caution not to cross thread the compression nut on the stationary line fitting 5 Thread in the r...

Page 20: ...ower 3 Phase input voltage too low Determine the cause of low input voltage condition or consult a licensed electrician for diagnosis Compressor being operated in exces sively low under 32 F 0 C ambie...

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