Service Guide
7785-A5
7785-B5
7785-MA
Alemite, LLC
167 Roweland Drive, Johnson City, Tennessee 37601
www.alemite.com
Copyright
©
2006 by Alemite, LLC
This document contains confidential information that is the property of Alemite, LLC
396688
and is not to be copied, used, or disclosed to others without express written permission.
Revision (11-08)
SER 7785-A5
Figure
1
High-Pressure Pump Model 7785 Series
Model 7785-A5 Shown
8568 Series
Description
The major components of the pump models in the 7785 series
consist of an air-operated motor and a pump tube. The air motor
connects directly to the double-acting reciprocating pump tube.
These high-pressure non-divorced grease pumps (40:1 ratio)
are designed to deliver a range of greases (up to NLGI # 3) and
operate directly from their original drums or bulk containers*.
Models 7785 Series Comparison
Each pump model is designed with a pump tube length to
accommodate different size containers. See
Figure 1
.
Model 7785-MA is equipped with an air inlet and a material
outlet adapter with BSPP threads. See
Table
1
.
* Pump model 7785-A5 is operated in various type systems,
Refer to the section entitled
Alternate Installation
(Page 12) for
details.
High-Pressure Grease Pump
Pump
Model
Container Size
X
Y
lbs
kg
Inches
Cm
Inches
Cm
7785-A5
400
-
33-1/8
84
52-1/4
133
7785-MA *
-
180
7785-B5
120
-
25-5/8
65
44-3/4
114
* With BSPP Inlet and Outlet Adapters (See
Table
1
)
Specifications
Air Motor
Pump Tube
Pump
Model
Air Inlet
Maximum
Air Pressure
Body
Adapter
psi
bar
7785-A5, -B5
3/4" NPTF
Not Applicable
200
14
7785-MA
3/4" BSPP (f) x 3/4" NPTF (m)
For additional air motor specifications, refer to Service Guide
SER
323440-4
Pump Model
Material Outlet Adapter
Maximum
Material Pressure
Delivery/Min.
(Approximate) **
Displacement
per Cycle
psi
bar
lbs.
kg
in
3
cm
3
7785-A5 and 7785-B5
1/2 " NPTF (f) x 1/2 " NPTF (m)
8000
552
25
113
2.45
40.15
7785-MA
1/2 " BSPP (f) x 1/2 " NPTF (m)
** For detailed information, refer to
Figure 3
Table 1
High-Pressure Pump Model 7785 Series Specifications
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