Alemite 323440-4 Service Manual

Air motor

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Description
The air motors in the 323440 series power a
variety or fluid and material pumps. The pump tubes
that connect to these motors can be either divorced or
of a non-divorced design.
Divorced and Non-Divorced
Overview
Pumps that disassemble into separate air motor
and pump tube entities are considered divorced.
These assemblies connect via a coupling arrangement
that is open to atmosphere. The material outlet on
divorced pumps is on the pump tube.
Non-divorced pumps contain a body (shown in
phantom in Figure 2) that fits directly into the base of
the motor. This body allows material distribution
(with the use of an adapter) through an access hole in
the air motor. See Figure 1.
Separation of this design requires the pump tube
to be unthreaded from the motor's rod.
Air Motor 323440-A1 (Divorced Design)
This air motor can be purchased separately. It
contains the hardware necessary for pump tube
attachment. See Figure 1.
Air Motors for Non-Divorced Design
The air motors connected with pump tubes in a
non-divorced design are the remaining models. See
chart in Figure 1 for comparison. These air motors
are available as an assembly with the pump tube.
Piston Dia. x Stroke
Air Motor Model
323440-4, A1 -C1 and -D1
4-1/4 x 4
323440-E1
** For information on the maximum air pressure for the air motor, please refer to the pump's Service Guide.
This document contains confidential information that is the property of Alemite, LLC
397871
and is not to be copied, used, or disclosed to others without express written permission.
Service Guide
Air Motor
in.
cm
Body
10.8 x 10.2
3/4" NPTF
Table 1 Air Motor Model 323440 Series Specifications
Alemite, LLC
167 Roweland Avenue, Johnson City, Tennessee 37601
www.alemite.com
©
Copyright
Pump Design
Air Motor
Model
Non-
Divorced
Divorced
323440-4
323440-A1
323440-C1
323440-D1
323440-E1 *
* With BSPP Air Inlet Body Adapter (See Table 1)
Figure 1 Air Motor Model 323440 Series
Model 323440-A1 Shown
Air Inlet
Adapter
Not Applicable
3/4" BSPP (f) x 3/4" NPTF (m)
2005 by Alemite, LLC
323440-4
323440-A1
323440-C1
323440-D1
323440-E1
Air Motor Base
Rod
w/ Weep
w/o Weep
w/ Acme
Hole
Hole
Thread
Maximum
Material Outlet Adapter
Pressure
Available with Pump Only
(Divorced and Non-Divorced)
SER 323440-4
Revision (7-05)
Stepped
Air
**

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Summary of Contents for Alemite 323440-4

  • Page 1 167 Roweland Avenue, Johnson City, Tennessee 37601 www.alemite.com © Copyright 2005 by Alemite, LLC SER 323440-4 This document contains confidential information that is the property of Alemite, LLC 397871 Revision (7-05) and is not to be copied, used, or disclosed to others without express written permission.
  • Page 2 SER 323440-4 Air Motor Figure 2 Air Motor Model 323440 Series - Exploded View Revision (7-05) Alemite, LLC...
  • Page 3 323482 323460 Nut, Piston, 13/16 " -20 323483 (16) 323479 Nut, Lower Trip Rod, 1-5/8 " Long 323484 (14) 323451-3 Rod, Piston Model 323440-4, -A1, -C1, E1 323485 (15) 338833 Rod, Piston Model 323440-D1 323486 (12) 323477-2 Cylinder 323487 171000-12 O-Ring, 5/8 "...
  • Page 4 SER 323440-4 Air Motor Revision (7-05) Alemite, LLC...
  • Page 5 Air Motor SER 323440-4 Overhaul Accessories Accessory items applicable to the these motors are IMPORTANT: Prior to performing any illustrated in Figure 3. maintenance procedure, the following safety precautions must be observed. Personal injury may occur. WARNING Do not use halogenated hydrocarbon sol- vents such as methylene chloride or 1,1,1-trichlor- ethane in this motor.
  • Page 6: Air Motor

    SER 323440-4 Air Motor 6. Unscrew the Coupling from the air motor Piston Rod. 24. Remove Screws (22) and Lockwashers (21) that secure • Rotate the entire Pump Tube assembly. Valve Guides (20), Stops (19), and Valve Seat (18) to the Head Assembly.
  • Page 7: Clean And Inspect

    Air Motor SER 323440-4 Assembly Steps for Model 323440-A1 Only NOTE: Prior to assembly, certain compo- 43. Remove Screws (47) and Washers (46) that secure the nents require lubrication. Refer to Table 2 Packing Retainer to the Base. for details.
  • Page 8 SER 323440-4 Air Motor Refer to Figure 2 Parts List for Parts Identification Figure 4 Air Motor Model 323440-A1 - Section View Revision (7-05) Alemite, LLC...
  • Page 9 Air Motor SER 323440-4 22. Install Gasket (17) into the Head Assembly. 10. Screw Nut (40) into the bottom of the Trip Rod [fewer threads] and tighten from 17-20 ft. lbs. (23 - 27 Nm). I M P O R TA N T: I n s t a l l t h e Va l v e S e a t •...
  • Page 10: Motor Operation

    SER 323440-4 Air Motor 36. Screw Nuts (5) onto the Tie Rods. Motor Operation • Tighten the Nuts securely in a crisscross pattern. Bench Test 37. Lift the Shuttle upward and hold the Trip Rod with an Apply 10 psi (0.7 Bar) air pressure to the motor.
  • Page 11: Pump Operation

    Air Motor SER 323440-4 Installation Pump Operation Additional items that should be incorporated into the Bench Test and Prime air piping system are listed in Table 3. With air pressure at zero: Part Number Description 1. Place the pump in the product to be dispensed.
  • Page 12: Troubleshooting Chart

    SER 323440-4 Air Motor Troubleshooting Chart Indications Possible Problems Solution Air Motor and/or Pump does 1. Insufficient air pressure 1. Increase air pressure not cycle 2. Pump tube jammed and/or contains 2. Rebuild pump tube loose components Pump Assembly Pump will not prime 1.

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