Alemite 7785 Series Service Manual

1-800-548-1191-http://www.partdeal.com-info@partdeal.com
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.
Specifications
Air Motor
Pump
Model
Body
7785-A5, -B5
3/4" NPTF
7785-MA 3/4" BSPP (f) x 3/4" NPTF (m)
For additional air motor specifications, refer to Service Guide SER 323440-4
Pump Tube
Pump Model
7785-A5 and 7785-B5
7785-MA
** For detailed information, refer to Figure 3
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.
Service Guide
High-Pressure Grease Pump
Maximum
Air Inlet
Air Pressure
Adapter psi
Not Applicable
200
Material Outlet Adapter
1/2 " NPTF (f) x 1/2 " NPTF (m)
1/2 " BSPP (f) x 1/2 " NPTF (m)
Table 1 High-Pressure Pump Model 7785 Series Specifications
Alemite, LLC
167 Roweland Drive, Johnson City, Tennessee 37601
www.alemite.com
©
Copyright
Container Size
Pump
Model
lbs
7785-A5 400
bar
7785-MA *
7785-B5 120
14
* With BSPP Inlet and Outlet Adapters (See Table 1)
Figure 1 High-Pressure Pump Model 7785 Series
Maximum Delivery/Min.
Material Pressure (Approximate) **
psi bar lbs.
8000 552 25
2006 by Alemite, LLC
7785-A5
7785-B5
7785-MA
X
kg Inches Cm Inches
-
33-1/8 84 52-1/4
- 180
- 25-5/8 65 44-3/4
Model 7785-A5 Shown
Displacement
per Cycle
3
kg
in
113 2.45
SER 7785-A5
Revision (11-08)
Y
Cm
133
114
3
cm
40.15