Alemite 9940 User manual

Service Guide
SER 9940
9940
9941
9949
Alemite Corporation
PO Box 473515, Charlotte, North Carolina 28247-3515
www.alemite.com
Copyright © 2003 by Alemite Corporation
This document contains confidential information that is the property of Alemite Corporation
670798 and is not to be copied, used, or disclosed to others without express written permission. Revision (2-03)
Figure 1 High-Pressure Pump Model 9940 Series
Model 9941 Shown
Description
The major components of high-pressure pump model
9940 series consist of a(n):
• air-operated motor
• lubricant pressure controller (Pressurtrol)
• double-acting reciprocating pump tube
• dolly, cover assembly & follower plate (model 9941)
• control valve, z-swivel, and hose (model 9941)
The Pressurtrol minimizes material pressure drop that
occurs when the pump cycles. Refer to SER 319800-1.
Pump Assembly
The high-pressure (70:1 ratio) pump included with each
model is designed to deliver a range of greases [up to
NLGI # 3] and operate directly from their original drum.
Models 9940, 9941, and 9949
Models 9940 and 9949 are stripped pumps. Each of these
models have a pump tube length to accommodate different
size containers. See Figure 1.
Model 9941 is portable and contains a dolly, cover,
follower plate, control valve, z-swivel, and delivery hose.
Specifications
Air Motor
Pump Tube
Piston Diameter x Stroke
Air Inlet
Max. Air Pressure *
Inches Centimeters psi Bars
3 x 3-5/16 7.6 x 8.4 1/4 " NPTF (f) 150 10.3
* With Pressurtrol, [100 psi (6.9 Bars) without Pressurtrol]
For information on the air motor, refer to SER 339413
Material
Outlet
Max. Material
Pressure
Max. Delivery/
Minute
(Approximate)*
Displacement
per Cycle
psi Bars Ounces Grams in 3cm3
3/8 " NPTF (f) 7500 517 51 1449 0.53 8.68
* For detailed information, refer to Figure 3
Table 1 High-Pressure Pump Specifications
High-Pressure Pump (Stripped and Portable)
Pump
Model
Container
Size Cover, F ollowe r,
Control Valve,
Z-Swivel, Hose,
and Dolly
Overall Height
lbs kg Inches Cm
9940
120
50 Not Included 40-5/8 103.1
9941 - Included 47-1/4 * 120 *
9949 400 180 Not Included 47-1/4 120
* Dimensions include 120-pound container

SER 9940 High-Pressure Pump (Stripped and Portable)
Revision (2-03) 2 Alemite Corporation
Figure 2-A High-Pressure Pump Model 9940 Series - Exploded View

High-Pressure Pump (Stripped and Portable) SER 9940
Alemite Corporation 3 Revision (2-03)
Item
No. Part No. Description Qty Model Notes Numeric Order Part # (Item #)
1 Pump, High-Pressure 1
9940, 41
See Figure 2-B
6320-3 (20)
9949 17804 (12)
2 327033 Adapter, 1/4 " NPTF (m) 1
All
44734 (8)
3 319800-1 Control, Pressure (Pressurtrol) 1 See SER 319800-1 48018 (11)
4 339515 Connector, 3/16 " Tube x 1/8 " -27 1 B52752 (21)
5 339511 Tube 1 77009 (18)
6 338507 Fitting, 90 °, 3/16 " Tube x 1/8 " NPTF (m) 1 77786 (14)
7 324971 Adapter, 3/8 " PTF (f) x 3/8 " NPTF (m) 1 170561 (17)
8 44734 Adapter, 3/8 '' NPTF (m) x 1/2 " -27 (m) 1
9941
172207-1 (13)
9 317875-7 Hose Assembly, Material 1 315943 (19)
10 338371 Cover Assembly 1 316315-5 (16)
11 48018 Screw, Thumb, 1/4 " -28 x 7/8 " 3
Included w/ 338371
317875-7 (9)
12 Washer, 1/4 " 3 319800-1 (3)
13 Washer, Lock, 1/4 " 3 324971 (7)
14 Capscrew, 1/4 " -20 x 1/2 " 3 327033 (2)
15 338802 Plate, Follower 1 338371 (10)
16 316315-5 Dolly Assembly 1 See SER 316315-5 338507 (6)
17 Screw, 1/4 " -20 x 5/16 " 1 338802 (15)
18 Washer, Internal Tooth Lock, 1/4 " 1 339511 (5)
19 315943 Bushing 1 339515 (4)
20 6320-3 Valve Assembly, Control 1 See SER 6320-3 339517-A1 (1)
21 B52752 Z-Swivel Assembly, High-Pressure 1 See SER B52750 339517-B1 (1)
Legend:
Part numbers left blank (or in italics) are not available separately

SER 9940 High-Pressure Pump (Stripped and Portable)
Revision (2-03) 4 Alemite Corporation
Figure 2-B High-Pressure Pump Assembly for Models 9940, 9941, and 9949 - Exploded View

High-Pressure Pump (Stripped and Portable) SER 9940
Alemite Corporation 5 Revision (2-03)
Item
No. Part No. Description Qty Notes Numeric Order Part # (Item #)
22 Motor Assembly, Air 1 See SER 339413 14536 (24)
22a Bolt, Carriage, 1/4 " -20 x 7-1/2 " 4 Included w/
Motor Assembly
X171000-7 (27)
22b Nut, Serrated Flange, 1/4 " -20 4 X171003-10 (29)
23 339513 Nut, Flange, 3/8 " -24 1 X171008-37 (26)
24 Washer, 3/8 " ID x 7/8 " OD 1 171031-5 (44)
25 339429 Piston, Air 1 171032-3 (56)
26 X171008-37 Quad-Ring, 2-5/8 " ID x 3 " OD 1 Pack of Ten (10) 171032-6 (38)
27 X171000-7 O-Ring, 3/8 " ID x 1/2 " OD 1 171700-18 (42)
28 338109 Washer, 3/8 " ID x 3/4 " OD 1 172190-24 (33)
29 X171003-10 O-Ring, 2-3/4 " ID x 3 " OD 1 Pack of Ten (10) 172190-25 (48)
30 338083 Body 1 172190-26 (35)
31 Gasket, 1.12 " ID (Aluminum) 1 172190-33 (52)
32 339412 Keeper 4 338055-1 (39)
33 Seal, 1/2 " ID x 3/4 " OD 1 338055-2 (39)
34 Ring, Lantern 1 338070 (54)
35 Seal, 1/2 " ID x 7/8 " OD 1 338072 (34)
36 338073 Bearing (Brass) 1 338073 (36)
37 338509 Rod, Upper 1 338074 (31)
38 Pin, Roll, 3/32 " Dia. x 9/16 " Long 2 338077 (46)
39 338055-1 Extension, 14.62 " Long 1 Model 9940, 9941 338079 (41)
338055-2 Extension, 21.12 " Long 1 Model 9949 338080 (40)
40 338080 Guide, Spring 1 338083 (30)
41 Spring 1 338109 (28)
42 Ball, 9/32 " Dia. 1 338498 (51)
43 338504 Piston 1 338499 (57)
44 Pin, Roll, 5/64 " Dia. x 1/2 " Long 1 338500 (53)
45 338508-1 Tube, 19.78 " Long 1 Model 9940, 9941 338501 (49)
338508-2 Tube, 26.28 " Long 1 Model 9949 338502 (55)
46 Gasket, 1.00 " ID (Aluminum) 3 338503 (47)
47 Bearing (Brass) 2 338504 (43)
48 Seal, 5/8 " ID x 1 " OD 1 338505 (50)
49 338501 Rod, Primer 1 338508-1 (45)
50 338505 Tube, Lower 1 338508-2 (45)
51 Stop 1 338509 (37)
52 Seal, 3/8 " ID x 5/8 " OD 1 339375 (22b)
53 338500 Valve, Foot 1 339412 (32)
54 338070 Seat 1 339413 (22)
55 338502 Disc, Primer 1 339425 (22a)
56 Pin, Roll, 3/32 " Dia. x 3/8 " Long 1 339429 (25)
57 338499 Body, Primer 1 339513 (23)
Legend:
Part numbers left blank (or in italics) are not available separately
designates a repair kit item
Repair Kits
Part No. Kit Symbol Description
393714 Kit, Major Repair (Includes tube of 393590 Teflon Grease)
393708 Kit, Keeper
393530-24 Kit, Seal [includes five (5) of item number 33]
393530-25 Kit, Seal [includes five (5) of item number 48]
393530-26 Kit, Seal [includes five (5) of item number 35]
393530-33 Kit, Seal [includes five (5) of item number 52]

SER 9940 High-Pressure Pump (Stripped and Portable)
Revision (2-03) 6 Alemite Corporation
Accessories
Performance Chart
A pump’s ability to deliver material is based on the pressure (psi/Bars) and quantity
(cfm/lpm) of 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 delivery
in ounces (grams) per minute (X axis) to air consumption in cubic feet (liters) per minute
(right Y axis) and to material discharge pressure in psi/Bars (left Y axis).
Model Number Container Size Follower Cover Bung Adapter
9940
120 lbs 338802 338371
50 kg 338993 338983 * 326750
9949
400 lbs 338801 338163
180 kg 338994 338984 * 326750
* These Covers are designed to be used with a Bung Adapter.
Tabl e 2 Pump Model 9940 Series Accessories
Figure 3 Delivery versus Discharge Pressure and Air Consumption

High-Pressure Pump (Stripped and Portable) SER 9940
Alemite Corporation 7 Revision (2-03)

SER 9940 High-Pressure Pump (Stripped and Portable)
Revision (2-03) 8 Alemite Corporation
IMPORTANT: Prior to performing any
maintenance procedure, the following
safety precautions must be observed.
Personal injury may occur.
WARNING
Do not use halogenated hydrocarbon
solvents such as methylene chloride or 1,1,1-
trichloroethane in this pump. An explosion can
result within an enclosed device capable of
containing pressure when aluminum and/or
zinc-plated parts in the pump come in contact
with halogenated hydrocarbon solvents.
Release all pressure within the system prior to
performing any overhaul procedure.
• Disconnect the air supply line from the
pump motor.
• Into an appropriate 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 dis-
charge of pressure and/or material can result
in injury.
Read each step of the instructions carefully.
Make sure a proper understanding is achieved
before proceeding.
Overhaul
NOTE: Refer to Figures 2-A and 2-B
for component identification on all
overhaul procedures.
Disassembly
NOTE: The following procedures con-
sider the pump assembly removed from
its container.
Separate Pump Tube from Air Motor
Step for Model 9941 Only
1. Remove Hose (9) from Adapter (8) as required.
2. Loosen Connector (4) that secures Tube (5).
3. Remove Nuts (22b) that secure the Body to the Air Motor
Assembly.
NOTE: The bottom end cap of the Air Motor
Assembly remains on the pump tube during the
next procedure.
4. With a side-to-side motion, pull the Air Motor
Assembly from the Body.
5. Remove Keepers (32) from the Body.
6. Remove the bottom end cap from the Body.
Pressure Control
7. Unscrew Pressurtrol (3) from Adapter (2).
• Remove the Adapter from Air Motor Assembly (22) as
needed.
8. Unscrew Connector (4) from the Pressurtrol as needed.
9. Remove Tube (5) from Fitting (6) as required.
10. Unscrew Fitting (6) from Adapter (7) as needed.
Step for Model 9941 Only
11. Unscrew Adapter (8) from Adapter (7) as needed.
12. Unscrew the Adapter from Body (30) as needed.
Pump Tube Assembly
Air Piston
13. Remove Nut (23) and Washer (24) that secures Air Piston
(25) to Upper Rod (37).
• Remove the Air Piston from the Rod.
NOTE: Place an appropriate size punch or other
suitable tool into the hole of the Upper Rod. See
Figure 2-B.
14. Remove O-Ring (27) and Washer (28) from the Upper Rod.
15. Remove Quad-Ring (26) from the Air Piston.
Pump Tube (Outer Components)
16. Remove Roll Pin (56) that secures Primer Disc (55) to
Primer Rod (49).
• Use an appropriate size punch.
NOTE: Position the rod assembly as required to
align the Roll Pin with the top hole in Primer
Body (57).
17. Remove the Primer Disc from the Primer Rod.
18. Unscrew the Primer Body from the Tube.

High-Pressure Pump (Stripped and Portable) SER 9940
Alemite Corporation 9 Revision (2-03)
• Use a solid round bar or other suitable tool.
NOTE: The pump tube will break at one of
three places. Unscrew the separated portion
from the inner components of the pump tube
assembly.
19. Pull the entire rod assembly from the pump tube.
20. Unscrew the remaining sections of the pump tube.
• Use a strap wrench.
Pump Tube (Inner Components)
21. Remove Gasket (46), Seat (54), additional Gasket
(46), Foot Valve (53) [with Seal (52)], and Stop (51)
from the bottom of Lower Tube (50).
• Remove the Seal from the Foot Valve.
22. Remove Bearing (47), Seal (48), and additional
Bearing (47) from the top of the Lower Tube.
23. Remove Gasket (46) from Tube (45).
Rod Assembly
24. Remove Roll Pin (44) that secures Primer Rod to
Piston (43).
• Use a punch and a small hammer.
25. Unscrew the Primer Rod from the Piston.
26. Remove Roll Pin (38) that secures Extension (39) to
the Piston.
• Use a punch and a small hammer.
27. Unscrew the Extension from the Piston.
28. Remove Spring Guide (40), Spring (41), and Ball (42)
from the Piston.
29. Remove Roll Pin (38) that secures Upper Rod (37) to
the Extension as required
• Use a punch and a small hammer.
30. Unscrew the Upper Rod from the Extension.
Body
31. Remove Gasket (31) from the Body.
32. Remove Bearing (36), Seal (35), Lantern Ring (34),
and Seal (33) from the Body.
33. Remove O-Ring (29) from the Body.
Clean and Inspect
NOTE: Use the appropriate repair kit for
replacement parts. Make sure all the compo-
nents are included in the kit before discard-
ing used parts.
1. Clean all metal parts in cleaning solvent. The solvent
should be environmentally safe.
2. Inspect all parts for wear and/or damage.
• Replace as necessary.
3. Inspect Air Piston (26) for fatigue cracks.
• Replace as necessary.
4. Inspect Upper Rod (37), Piston (43), and Primer Rod
(49) closely. Use a magnifying glass to detect any
score marks on the components.
• Replace as necessary.
5. Closely inspect the mating surfaces of Foot Valve (53)
and Seat (54) for any imperfections.
• Ensure a smooth and clean contact is obtained.
6. Install Ball (42) into Piston (43). Fill the Piston with
solvent.
• Make sure no leakage occurs.
7. Inspect the corners of Stop (51) for breakage. Place the
Stop into the bottom of Lower Tube (50).
• Make sure the Stop is secure within the Tube when
pressure is applied.
Assembly
NOTE: Prior to assembly, certain compo-
nents require lubrication. Refer to Ta ble 3
for details.
Item No. Description Type of Lubricant
26 Quad-Ring, 2-5/8 " ID x 3 " OD
Teflon Grease
29 O-Ring, 2-3/4 " ID x 3 " OD
27 O-Ring, 3/8 " ID x 1/2 " OD
Oil
33 Seal, 1/2 " ID x 3/4 " OD
35 Seal, 1/2 " ID x 7/8 " OD
48 Seal, 5/8 " ID x 1 " OD
52 Seal, 3/8 " ID x 5/8 " OD
Tabl e 3 Lubricated Components

SER 9940 High-Pressure Pump (Stripped and Portable)
Revision (2-03) 10 Alemite Corporation
Pump Tube Assembly
Body
NOTE: Refer to Figure 4
for a section view of the
pump tube assembly.
1. Install and seat Seal (33) [heel end
first], Lantern Ring (34) [small end
first], Seal (35) [heel end first], and
Bearing (36) [small inside diameter
first] into Body (30).
2. Install O-Ring (29) onto the upper
groove of the Body.
Rod Assembly
3. Place Ball (42), Spring (41), and
Spring Guide (40) [pointed end first]
into the Piston.
4. Screw Extension (39) into the top of
the Piston until the pin holes align.
• Install Roll Pin (38).
5. Push on the Ball to ensure it operates
properly.
6. Screw Primer Rod (49) into Piston
(43) until the pin holes align.
• Install Roll Pin (44).
7. Screw Upper Rod (37) into the
Extension until the pin holes align.
• Install Roll Pin (38).
Pump Tube (Inner Components)
8. Install and seat Bearing (47), Seal (48)
[heel end first], and additional Bearing
(47) into the male threaded end of
Lower Tube (50).
9. Install and seat Gasket (46) into Tube
(45).
IMPORTANT: If a primer is
used with Loctite 222, the
curing time is greatly
reduced.
10. Screw the Lower Tube (with Loctite
222) into the Tube.
• Make sure the Gasket remains
seated.
• Do not tighten at this time.
Figure 4 Pump Tube Assembly (w/o Air Motor) - Section View
Refer to Figure 2-B Parts List
for Parts Identification

High-Pressure Pump (Stripped and Portable) SER 9940
Alemite Corporation 11 Revision (2-03)
CAUTION
Use care during the installation of the rod
assembly. Damage to the Seal can occur.
11. Install the rod assembly (Upper Rod first) into the
bottom of the Lower Tube.
• Allow half of the Upper Rod to protrude from the
top of the Tube.
12. Install Stop (51) onto Primer Rod (49).
13. Install and seat Seal (52) [heel end first] into Foot
Va l v e ( 53).
14. Install and seat the Foot Valve assembly (Seal first)
onto the Primer Rod.
15. Install and seat Gasket (46), Seat (54), [stepped end
first], and additional Gasket (46) into the Lower
Tube.
16. Install Primer Disc (55) onto the Primer Rod.
• Make sure the Pin holes align and install Roll Pin
(56).
17. Screw Primer Body (57) [with Loctite 222] into the
Lower Tube.
• Make sure the internal components remain
seated.
• Do not tighten at this time.
Pump Tube to Body
18. Install and seat Gasket (31) into the Body.
CAUTION
Use care during the installation of the pump
tube assembly. Damage to the Seals can occur.
19. Install the Upper Rod of the pump tube assembly
into the Body.
• Make sure to apply Loctite 222 to the threads of
the Tube.
20. Screw the Tube into the Body.
21. Clamp the Body securely in a soft-jaw vise.
22. Place an appropriate size punch or other suitable tool into
the hole of Primer Body (57).
• Tighten all the components of the assembly securely.
• Crush all Gaskets.
Air Piston
CAUTION
Use care not to switch Washers (24 and 28). Compo-
nent damage can occur.
23. Install Washer (28) [brass color] and O-Ring (27) onto the
Upper Rod.
24. Install Quad-Ring (26) onto Air Piston (25).
25. Place the Air Piston (observe THIS SIDE UP) on top of the
Upper Rod.
26. Install Washer (24) [silver color] and Nut (23) that secures
the Air Piston to the Upper Rod.
• Tighten the Nut securely.
NOTE: Place an appropriate size punch or other
suitable tool into the hole of the Upper Rod to
tighten the Nut. See Figure 2-B.
Pressure Control
27. Screw Connector (4) [with thread sealant] into Pressurtrol
(3).
• Tighten the Connector securely.
28. Screw Adapter (2) [with thread sealant at each end] into the
Air Motor Assembly.
• Tighten the Adapter securely.
29. Screw the Pressurtrol assembly into Adapter (2).
30. Screw Adapter (7) [with thread sealant] into Body (30).
• Tighten the Adapter securely.
• Make sure to orient the outlet of the Adapter properly.
31. Screw Fitting (6) [with thread sealant] into the Adapter.
• Tighten the Fitting securely.
• Make sure to orient the Fitting properly.
Step for Model 9941 Only
32. Screw Adapter (8) [with thread sealant] into Adapter (7).
33. Install Tube (5) into Fitting (6).
• Do not tighten the Fitting at this time.

SER 9940 High-Pressure Pump (Stripped and Portable)
Revision (2-03) 12 Alemite Corporation
Attach Air Motor to Pump Tube
IMPORTANT: The Air Motor Assembly must
be secured with at least one Carriage Bolt
(22a) and Flange Nut (22b) [preferably at
the front].
34. Clamp Body (30) securely in a soft-jaw vise.
CAUTION
Install the RAM Air Motor Assembly with care.
Damage to Quad-Ring (26) and/or O-Ring (29) can
occur.
HINT: Angle the Air Motor Assembly onto
the Quad-Ring and at the same time guide
Connector (4) into the Tube. Press the
exposed portion of the Quad-Ring into Air
Piston (25) with your thumb or finger.
35. Install and seat the Air Motor Assembly onto the
Body.
36. Attach the Air Motor Assembly to the Body of the
pump tube with Keepers (32), Carriage Bolts, and
Flange Nuts.
CAUTION
Do not overtighten Flange Nuts (22b). Component
damage can occur.
37. Torque the Flange Nuts in a crisscross pattern from 60
to 70 inch-pounds (6.8 - 7.9 Nm).
38. Tighten Connector (4) and Fitting (6) securely to the
Tube.
Operation
WARNING
Do not exceed the lowest pressure rating
of any component in the system.
Never point a control valve at any portion of your
body or another person. Lubricant discharged at
high velocity can penetrate the skin and cause
severe injury. Should any fluid appear to puncture
the skin, get medical care immediately.
Ensure all components are in operable condition.
Replace any suspect parts prior to operation.
Personal injury can occur.
NOTE: The following procedures consider
the pump to be stripped.
1. Make sure air pressure at the regulator reads zero.
2. Slowly supply air pressure [recommended minimum of
25 psi (1.7 Bars)] to the pump’s motor.
• The pump assembly should cycle.
If the pump assembly does not cycle, refer to the
Troubleshooting Chart for details.
With air pressure at zero:
3. Connect a product hose to Adapter (8) [with thread
sealant].
• Direct the hose into an appropriate container.
4. Place the pump in the product to be dispensed.
5. Slowly supply air pressure to the pump’s motor.
6. Allow the pump to cycle slowly until the system and
product is free of air.
If the pump assembly does not prime, refer to the
Troubleshooting Chart for details.
WARNING
Should leakage occur anywhere within the
system, disconnect air to the motor. Personal
injury can occur.

High-Pressure Pump (Stripped and Portable) SER 9940
Alemite Corporation 13 Revision (2-03)
With air pressure at zero:
7. Attach a control valve to the outlet hose of the pump.
8. Slowly supply 25 psi (1.7 Bars) air pressure to the
pump’s motor.
9. Operate the control valve into a container.
10. Allow the pump to cycle until the system and product
is once again free of air.
11. Shut off the control valve.
12. Set the air pressure to 100 psi (6.9 Bar).
13. Visually inspect the pump for external leaks.
• The pump should not cycle.
If the pump does not stall, refer to the
Troubleshooting Chart for details.
14. Check the motor for air leakage.
If the motor leaks, refer to the Troubleshooting Chart
in the Air Motor Service Guide for details.
Installation
Additional items that should be incorporated into the
air piping system are listed in Table 4.
Part Number Description
5604-2 Moisture Separator
7604-B Regulator and Gauge
Tabl e 4 Air Line Components

SER 9940 High-Pressure Pump (Stripped and Portable)
Revision (2-03) 14 Alemite Corporation
Troubleshooting Chart
Pump Indications Possible Problems Solution
Pump does not cycle 1. Air motor not operating properly
2. Pump tube jammed and/or contains
loose components
3. Insufficient air pressure
1. Inspect air motor and rebuild or replace as
necessary. Refer to SER 339413
2. Rebuild pump tube
3. Increase air pressure
Pump will not prime 1. Excessive cycling speed
2. Pump leaking internally
3. Primer Disc (56) missing
1. Reduce air pressure
2. See Internal Leaks
3. Install Primer Disc (56)
Pump cycles rapidly Product source empty Replenish product
Pump will not stall (cycles
more than once or twice per
hour)
1. Pump requires break-in period
2. Pump leaking internally
3. Pump leaking externally
4. Distribution system leaking
1. Operate the pump against moderate fluid
pressure for up to one hour
2. See Internal Leaks
3. See External Leaks
4. Correct leak
External Leaks
Product leakage visible at
bottom of Body (30)
1. Tube (45) not sufficiently tight
2. Damaged Gasket (31)
1. Tighten Tube (45) into Body (30)
2. Separate Tube (45) from Body (30) and
replace Gasket (31)
Product leakage visible at
weep hole Body (30)
1. Worn or damaged Seal (35)
2. Worn or damaged Upper Rod (37)
1. Replace Seal (35)
2. Replace Upper Rod (37)
Product leakage visible at
weep hole in Lower Tube
(50)
1. Primer Body (57) not sufficiently
tight
2. Damaged Gasket(s) (46)
1. Tighten Primer Body (57) into Tube (45)
2. Separate Primer Body (57) from Tube (45)
and replace Gasket(s) (46)
Product leakage visible at
weep hole in Tube (45)
1. Lower Tube (50) not sufficiently
tight
2. Damaged Gasket (46)
1. Tighten Lower Tube (50) into Tube (45)
2. Separate Lower Tube (50) from Tube (45)
and replace Gasket (46)
Internal Leaks
Pump does not prime or
cycles continuously, or
slowly (once or twice/hour)
1. Foreign material between Foot Valve
(53) and Seat (54)
2. Foreign material between Ball (42)
and seat in Piston (43)
3. Worn or damaged Foot Valve (53)
4. Worn or damaged Seat (54)
5. Worn or damaged Ball (42)
6. Worn or damaged Piston (43)
7. Worn or damaged Seal (48)
8. Worn or damaged Seal (52)
9. Worn or damaged Primer Rod (49)
10. Primer Disc (55) missing
Locate and eliminate source of foreign
material.
Disassemble pump tube, clean, inspect, and
replace worn or damaged components.
Product leakage visible at Air
Motor Assembly (22) exhaust
1. Worn or damaged Seals (33 and 35)
2. Worn or damaged Upper Rod (37)
Separate Tube (45) from Body (30) and
replace worn or damaged component(s).
Changes Since Last Printing
Changed Bench Test Air Pressure Setting