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Repair

Complete

Complete

Complete Pump

Pump

Pump Repair

Repair

Repair

Disassembly

Disassembly

Disassembly

Complete pump disassembly is necessary only to
replace the main shaft assembly, for example in the
case of a failed bearing.

Remove

Remove

Remove the

the

the Eccentric

Eccentric

Eccentric Shaft

Shaft

Shaft

1.

Follow the steps in

Remove the Hose, page 10

.

2.

Follow the steps in

Remove the Roller, page 12

.

3.

Use external snap ring pliers to remove the
eccentric shaft retaining ring (10) from the motor
output shaft (6).

4.

Remove the eccentric shaft (9) from the motor
output shaft (6). Be

Be

Be sure

sure

sure to

to

to retain

retain

retain the

the

the eccentric

eccentric

eccentric

shaft

shaft

shaft key

key

key (56).

(56).

(56).

NOTE:

NOTE:

NOTE: You may need to use a puller to
disengage the eccentric shaft from the motor
output shaft.

Pump Model

Bolt Size

ST10

6 mm

ST23

,

ST26

, and

ST30

8 mm

Remove

Remove

Remove the

the

the Motor

Motor

Motor Output

Output

Output Shaft

Shaft

Shaft

See Figure 4 on page 15.

1.

Remove the four screws (31) and washers (21)
that hold the gearbox and motor assembly (4) to
the pump housing (1).

2.

Remove the plastic plugs on the back of the
motor to reveal threaded metric holes for a gear
puller. Inspect the center opening. If it contains
a snap ring, remove it.

3.

Use a gear puller to remove the gearbox and
motor assembly. Be

Be

Be sure

sure

sure to

to

to retain

retain

retain the

the

the motor

motor

motor

output

output

output shaft

shaft

shaft key

key

key (57).

(57).

(57).

NOTE:

NOTE:

NOTE: For motor and gearbox repair information,
contact SEW-Eurodrive.

4.

Use a flat head screw driver on the inside
diameter to remove the front rotary shaft seal (8).
Discard the seal.

5.

Use a large internal snap ring pliers to remove
the retaining ring (7) from the pump housing (1).

6.

Gently tap the gearbox end of the shaft (6) with
a rubber mallet to drive the shaft out through the
front of the pump housing (1).

7.

Remove and discard the rear rotary shaft seal (5).

3A3367H

13

Summary of Contents for SoloTech

Page 1: ...for use use use in in in explosive explosive explosive atmospheres atmospheres atmospheres or or or hazardous hazardous hazardous locations locations locations unless unless unless otherwise otherwis...

Page 2: ...ocedure 9 Before You Start 9 Drain the Lubricant 9 Remove the Front Cover 9 Replace the Hose 10 Replace the Roller 12 Complete Pump Repair 13 Parts 18 Kits and Accessories 23 Technical Data 24 Related...

Page 3: ...eed gear reducer 26 26 26 26 mm LAC LAC LAC AC motor with low speed gear reducer 30 30 30 30 mm MPM MPM MPM Brushless DC BLDC motor with gear reducer HC HC HC High speed gear reducer no motor IEC HN H...

Page 4: ...static sparking Ground all equipment in the work area See Grounding Grounding Grounding instructions Keep work area free of debris including solvent rags and gasoline Do not plug or unplug power cord...

Page 5: ...plete information about your material request Safety Data Sheet SDS from distributor or retailer Turn off all equipment and follow the Pressure Pressure Pressure Relief Relief Relief Procedure Procedu...

Page 6: ...isconnect all power sources TOXIC TOXIC TOXIC FLUID FLUID FLUID OR OR OR FUMES FUMES FUMES Toxic fluids or fumes can cause serious injury or death if splashed in the eyes or on skin inhaled or swallow...

Page 7: ...let or outlet pressures are too high Add pulsation dampeners Lubricant level is low Add hose lubricant to the proper level Improper lubricant is being used Use only genuine Graco glycerin hose lubrica...

Page 8: ...correct hose for your application Hose has failed due to normal wear Replace Excessive pulsations have weakened the hose If you pump is equipped with a pulsation dampener adjust its pressure If you do...

Page 9: ...ration of the pump can cause serious injury Remove the fan cover only after the motor has been locked out Drain Drain Drain the the the Lubricant Lubricant Lubricant 1 Hold a pail under the drain plug...

Page 10: ...remove the four nuts 35 from the hose barb assembly on one port Pull the hose so it extends about 2 3 in 51 76 mm out of the pump Remove the nuts 35 from the barb assembly on the other port and pull...

Page 11: ...8 ft lb 24 4 N m 7 Loop the hose 360 degrees and insert the second end through the opposite side port 8 Repeat steps 3 6 9 The roller must be moved to install the hose Follow the directions for your p...

Page 12: ...e replacing the roller continue with the next section Install Install Install the the the Roller Roller Roller 1 Lubricate the eccentric shaft 9 with hose lubricant Slide the roller 11 onto the shaft...

Page 13: ...m Remove Remove Remove the the the Motor Motor Motor Output Output Output Shaft Shaft Shaft See Figure 4 on page 15 1 Remove the four screws 31 and washers 21 that hold the gearbox and motor assembly...

Page 14: ...place all worn parts NOTICE NOTICE NOTICE The pump housing is aluminum To help prevent galling inspect the bolt threads for foreign material and clean or replace if necessary Install Install Install t...

Page 15: ...8 into the bore at the front of the pump housing 1 The lips of the seals must face toward the shaft bearings Do not install the seals past the plane of the housing NOTE NOTE NOTE If the seals are inst...

Page 16: ...el Model Model Torque Torque Torque ST10 and ST23 8 ft lb 10 8 N m ST26 18 ft lb 24 4 N m ST 30 32 ft lb 43 4 N m Install Install Install the the the Eccentric Eccentric Eccentric Shaft Shaft Shaft 1...

Page 17: ...icant if pumping strong oxidizer or acids Keep the pump properly filled with genuine Graco hose lubricant NOTICE NOTICE NOTICE The vent and drain port threads are aluminum To help prevent galling insp...

Page 18: ...Parts Parts Parts Parts 18 3A3367H...

Page 19: ...Ref Ref Part Part Part Description Description Description Qty Qty Qty 24 24Y825 CLAMP hose size 12 2 25 GASKET hose plate 2 26 17B693 PLATE hose barb 2 27 17B690 FLANGE hose barb 2 BARB hose kit inc...

Page 20: ...Ref Ref Part Part Part Description Description Description Qty Qty Qty 24 24Y826 CLAMP hose size 20 2 25 GASKET hose plate 2 26 17B694 PLATE hose barb 2 27 17B691 FLANGE hose barb 2 BARB hose kit inc...

Page 21: ...ption Description Description Qty Qty Qty 24 24Y827 CLAMP hose size 28 2 25 GASKET hose plate 2 26 17B695 PLATE hose barb 2 27 17B691 FLANGE hose barb 2 BARB hose kit includes o ring ref 44 24Y819 Sta...

Page 22: ...Ref Ref Ref Part Part Part Description Description Description Qty Qty Qty 25 GASKET hose plate 2 26 17B696 PLATE hose barb 2 27 17B692 FLANGE hose barb 2 BARB hose kit includes o ring ref 44 24Y822...

Page 23: ...art Part Part Description Description Description 17H389 9 8 ft 3 0 m 17H390 24 6 ft 7 5 m 17H391 52 5 ft 16 m Controller to Motor Controller to Motor Controller to Motor Cables Cables Cables Preassem...

Page 24: ...ximum Maximum Maximum Flow Flow Flow ST10 0 67 gpm 2 5 lpm ST23 4 5 gpm 17 0 lpm ST26 9 8 gpm 37 1 lpm ST30 15 8 gpm 59 8 lpm Fluid Fluid Fluid Capacity Capacity Capacity per per per Revolution Revolu...

Page 25: ...0 39 in 10 mm ST23 0 91 in 23 mm ST26 1 02 in 26 mm ST30 1 18 in 30 mm Weight Weight Weight ST10 55 65 lbs 25 29 kg ST23 100 120 lbs 45 54 kg ST26 190 215 lbs 86 98 kg ST30 235 285 lbs 107 129 kg Noi...

Page 26: ...ovided with a means to accept and act upon a signal from a thermal sensor in the motor Motor overtemperature sensing is required to provide the motor overload protection 0 3 3 VDC 1mA maximum Weight 1...

Page 27: ...Notes Notes Notes Notes 3A3367H 27...

Page 28: ...GRACO MAKES MAKES MAKES NO NO NO WARRANTY WARRANTY WARRANTY AND AND AND DISCLAIMS DISCLAIMS DISCLAIMS ALL ALL ALL IMPLIED IMPLIED IMPLIED WARRANTIES WARRANTIES WARRANTIES OF OF OF MERCHANTABILITY MERC...

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