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Service Guide

7880-C1

SER 7880-C1

Alemite Corporation

PO Box 473515, Charlotte, North Carolina 28247-3515

www.alemite.com

Copyright 

© 

2000 by Alemite Corporation

This document contains confidential information that is the property of Alemite Corporation

396745

and is not to be copied, used, or disclosed to others without express written permission.

Revision (6-00)

Figure 1

Low-Pressure Pump Model 7880-C1

 

Description

The major components of low-pressure pump model 7880-C1 

consist of a reciprocating differential air motor and a double-acting 
pump tube.

The pump is designed to deliver a mixture of antifreeze and 

water. It can also be used to dispense windshield washer fluid and 
water.

This low-pressure (2-1/2:1 ratio) pump includes a 2 " NPTF (m) 

thread for mounting on the 2 ’’ bung thread of a drum or tank. With 
the use of an extension (not included) the pump can accommodate 
different size drums and tanks. 

The pump can also mount to a wall (with the use of a wall 

bracket) and be used with an optional siphon wand kit. See Table 4 
for details.

Specifications

Differential Air Motor

Pump Tube

Piston

Diameter x Stroke

Effective

Piston Area *

Air Inlet

Maximum Air 

Pressure

In

Cm

In

2

Cm

2

psi

Bars

2-1/16 x 4

5.2 x 10.2

1.67

10.8

1/4 " NPTF (f)

200

13.8

For details on the air motor, refer to Service Guide SER 318450-4.

See Figure 3 for performance curves.

* The effective piston area of a differential air motor is equal to one-half the

actual area of the piston.

Fluid

Outlet

Max. Fluid 

Pressure

Max. Free-Flow 

Delivery/Minute *

Recommended 

Continuous 

Delivery/Minute

Displacement

per Cycle

psi

Bars

Gallons

Liters

Gallons Liters

In 

3

Cm 

3

3/8 " NPTF (f) 500

34.5

7

26.5

4-1/4

16.1

5.4

88

See Figure 3 for performance curves.
* At 100 psi (6.9 Bars) air pressure

Table 1

Low-Pressure Pump Model 7880-C1 Specifications

Low-Pressure Pump

Содержание 7880-C1

Страница 1: ...th the use of an extension not included the pump can accommodate different size drums and tanks The pump can also mount to a wall with the use of a wall bracket and be used with an optional siphon wan...

Страница 2: ...SER 7880 C1 Low Pressure Pump Revision 6 00 2 Alemite Corporation Figure 2 Low Pressure Pump Model 7880 C1 Exploded View...

Страница 3: ...003 3 O Ring 1 7 8 ID x 2 1 8 OD 1 Pack of Ten 10 324486 11 11 324486 Body Brass 1 324488 22 12 Spacer 1 324492 17 13 323127 Cup Packing Glass Filled Teflon 2 324493 7 14 Washer Brass 1 324494 9 15 32...

Страница 4: ...luid discharge back pressure to be overcome within the system This chart contains curves based on three different air pressures The curves relate delivery in gallons liters per minute X axis to air co...

Страница 5: ...r s rod Rotate the entire pump tube assembly 5 Remove the Air Motor s tube from Body 11 Pump Tube Assembly Body Assembly 6 Remove O Ring 10 from the Body 7 Unscrew Packing Screw 6 from the Body 8 Unsc...

Страница 6: ...onto the Body Assembly NOTE Prior to assembly certain compo nents require lubrication in clean oil Refer to Table 3 for details Pump Tube Assembly Body 1 Install O Ring 10 onto Body 11 2 Install and...

Страница 7: ...njury can occur Initial Prime 1 Place the pump in the fluid to be dispensed 2 Connect a product hose to the pump s fluid outlet Direct the hose into an appropriate collection container 3 Screw Connect...

Страница 8: ...not cycle more than once or twice in one hour If the pump leaks or does not stall refer to the Troubleshooting Chart for details 19 Check the motor for air leakage If the motor leaks refer to the Air...

Страница 9: ...2 See Internal Leaks 3 See External Leaks 4 Correct leak External Leaks Product leakage visible at bottom of Body 11 1 Damaged Gasket 18 2 Cylinder 19 not sufficiently tight 1 Use Kit 393426 1 2 Tigh...

Страница 10: ...w Pressure Pump Revision 6 00 10 Alemite Corporation Every effort has been made to ensure that the information within this publication is accurate Please send any comments or inquiries to chris schrad...

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