Alemite 8568 Series Service Manual Download Page 3

Medium-Pressure Stub Pump

SER 8568-A4

Alemite, LLC

3

Revision (7-05)

Item

No.

Part No.

Description

Qty

Notes

Numeric Order
Part #  (Item #)

1

Motor Assembly, Air *

1

See SER 324300-5

171000-18

(15)

Motor Assembly, Air (w/ Adapters) *

1

X171000-19 (6)

2

328034

Connector, 1/4 " NPTF (m)

1

Model 8568-A4, Series

X171013-12 (4)

3

328030

Coupler, 1/4 " NPTF (f)

1

171033-4

(b)

4

X171013-12 O-Ring, 1-1/8 " ID x 1-1/4 " OD

1

Pack of Ten (10)

171033-5

(10)

5

320972

Adapter, Tube

1

171700-36

(12)

6

X171000-19 O-Ring, 1 " ID x 1-1/4 " OD

2

Pack of Ten (10)

319932

(a)

7

320971

Pin, 5/64 " Dia. x 5/8 " Long

1

320952

(20)

8

321615

Rod, Coupling

1

320954

(19)

9

320976

Adapter, Piston

1

320955

(11)

10

171033-5

Pin, Roll, 1/8 " Dia. x 5/8 " Long

1

320971

(7)

11

320955

Spring, Light-Duty, 1-5/32 " Long

1

320972

(5)

12

Ball, 9/16 " Dia.

1

320976

(9)

13

Ring, Wear (Glass-Filled Nylon)

2

321316

(17)

14

Piston

1

321318

(21)

15

O-Ring, 15/16 " ID x 1-3/16 " OD

1

321615

(8)

16

Washer, Back-Up (Nylon)

1

324300-5

(1)

17

321316

Tube and Guide Assembly

1

324300-M

(1)

18

326750

Adapter, Bung, 2 " NPTF (m)

1

326750

(18)

19

320954

Spring, Light-Duty, 5/8 " Long

1

328030

(3)

20

320952

Disk, Valve

1

328034

(2)

21

321318

Seat, Valve 1-1/2 " NPT (f)

1

337401

(13)

Additional Kit Items not Applicable to Pump Model 8568 Series

337402

(14)

a

319932

Spring, Heavy-Duty, 1-1/32 " Long

1

337913

(16)

b

171033-4

Pin, Roll, 1/8 " Dia. x 9/16 " Long

1

Legend:

* See Table 1
Part numbers left blank (or in italics) are not available separately

designates a repair kit item

Repair Kits

Part No.

Kit Symbol

Description

393497

Kit, Major Repair

393565

Kit, Minor Repair (includes ten (10) of each item)

398503-3

Kit, Conversion (used to update pumps with obsolete piston).

Summary of Contents for 8568 Series

Page 1: ...connects directly to the double acting reciprocating pump tube These medium pressure stub pumps 4 1 ratio are designed to deliver a range of light weight oils including gear lubricants The pump s bun...

Page 2: ...SER 8568 A4 Medium Pressure Stub Pump Revision 7 05 2 Alemite LLC Figure 2 Medium Pressure Stub Pump Model 8568 Series Exploded View...

Page 3: ...ght Duty 1 5 32 Long 1 320972 5 12 Ball 9 16 Dia 1 320976 9 13 Ring Wear Glass Filled Nylon 2 321316 17 14 Piston 1 321318 21 15 O Ring 15 16 ID x 1 3 16 OD 1 321615 8 16 Washer Back Up Nylon 1 324300...

Page 4: ...f air supplied to the motor and the amount of material discharge back pressure to be overcome within the system This chart contains curves based on three different air pressures The curves relate deli...

Page 5: ...ropriate container operate the control valve to discharge remaining pressure within the system Never point a control valve at any portion of your body or another person Accidental discharge of pressur...

Page 6: ...IMPORTANT Should the pump contain the obsolete piston see Figure 5 discard the assembly and use the conversion kit for replacement 15 Remove Wear Rings 13 O Ring 15 and Back Up Washer 16 from Piston 1...

Page 7: ...Rings 13 O Ring 15 and Back Up Washer 16 onto the Piston 8 Install O Ring 6 onto Valve Seat 21 9 Install O Ring 4 and O Ring 6 onto the Tube Adapter Make sure to place the larger O Ring on the upper...

Page 8: ...to the Troubleshooting Chart for details Priming With air pressure at zero 8 Place the pump in the product to be dispensed 9 Slowly supply air pressure to the pump s motor 10 Allow the pump to cycle s...

Page 9: ...5 Clean and inspect all parts Locate and eliminate source of foreign material 3 Replace any damaged component Product leakage past O Ring 6 and visual at bottom of Tube and Guide assembly 17 1 Initia...

Page 10: ...SER 8568 A4 Medium Pressure Stub Pump Revision 7 05 10 Alemite LLC...

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