Alemite 8700 User manual

Service Guide
SER 8700
Alemite LLC
167 Roweland Drive, Johnson City, Tennessee, 37601
www.alemite.com
Copyright © 2010 by Alemite LLC
This document contains confidential information that is the property of Alemite LLC
670977 and is not to be copied, used, or disclosed to others without express written permission. Revision (2-13)
8700
Description
The major components of the 8700 series pumps consist
of a reciprocating hydraulic motor and a double-acting pump
tube.
These hydraulic pumps are designed to deliver a range of
light to heavy lubricants directly from an original container.
Each pump model is designed with a pump tube length to
accommodate different size containers. See Figure 1.
Specifications
Hydraulic Motor
Pump Tube
Piston Diameter x Stroke Hydraulic Inlet
Max. Hydraulic
Pressure
Inches Centimeters psi Bars
1-5/16 x 1-5/8 3.3 x 4.1 1/4 " NPTF (f) 600 41.3
For information on the air motor, refer to Service Guide SER 340952
Material
Outlet
Max. Material
Pressure Max. Delivery/Minute (Approximate)* Displacement per Cycle
psi Bars Ounces Grams in 3cm3
3/8 " NPTF (f) 7500 517 16 454 0.277 4.54
* For detailed information, refer to Figure 4
Table 1 Model 8700 Series Specifications
High-Pressure Hydraulic Pump
Pump Model Container Size X Y
lbs kg Inches Cm Inches Cm
8700-A 35 20 19 48.3 29-3/8 74.6
8700-B 120 50 27-3/4 70.5 38-1/8 96.8
8700-C 400 180 37 94 47-3/8 120.3
Figure 1 Hydraulic Pump
Model 8700 Series
Hydraulic

SER 8700 High-Pressure Hydraulic Pump
Revision (2-13) 2 Alemite LLC
Figure 2 High-Pressure Hydraulic Pump Models 8700 Series - Exploded View
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High-Pressure Hydraulic Pump SER 8700
Alemite LLC 3 Revision (2-13)
Item
No. Part No. Description Qty Notes Numeric Order Part # (Item #)
1Motor Assembly, Hydraulic 1 51017 (4)
2 X171013-12 O-Ring, 1-1/8 " ID x 1-1/4 " OD 1 Pack of Ten (10) 131168 (28)
3 324805 Adapter 1 X171000-20 (32)
4 51017 Gasket (Aluminum) 4 X171013-12 (2)
5 320974 Coupling 1 171700-12 (13)
6 320971 Pin, 0.088 " Dia. x 41/64 " Long 1 172190-9 (19)
7 320975 Pin, 0.120 " Dia. x 41/64 " Long 2 172190-10 (24)
8
320704-1 Rod, 17.75 " Long 1 Model 8700-B 317536 (14)
320704-3 Rod, 27.06 " Long 1 Model 8700-C 317549 (23)
1 320704-1 (8)
320704-9 Rod, 9 " Long 1 Model 8700-A
1 320704-3 (8)
9 320705 Coupling 1
10 320718 Stop, Ball 1 320704-9 (8)
11 321605 Washer 1 320705 (9)
12 320719 Spring, 0.75 " Long 1 320712 (30)
13 171700-12 Ball, 3/16 " Dia. 1 320713 (29)
14 317536 Washer, Locking 1 320716 (26)
15 330332 Piston 1 320718 (10)
16
337392 Tube, 21.25 " Long 1 Model 8700-B 320719 (12)
337392-2 Tube, 30.42 " Long 1 Model 8700-C 320971 (6)
337392-1 Tube, 9 " Long 1 320974 (5)
337392-4 Tube, 12.5 " Long 1 Model 8700-C 320975 (7)
337392-3 Tube, 5.5 " Long 1 321605 (11)
17 Bearing (Brass) 1 340952 (1)
18 337391 Retainer 1 324437 (33)
19 Seal, 0.540 " ID x 0.914 " OD 1 324438-1 (31)
20 Bearing (Brass) 1 324438-2 (31)
21 Gasket (Aluminum) 1.08 " ID 1
22 337388 Extension 1
23 317549 Washer, Stop 1 324438-8 (31)
24 Seal, 0.282 " ID x 0.532 " OD 1 324805 (3)
25 337995 Body, Valve 1 330329 (27)
26 320716 Seat, Valve 1 330332 (15)
27 330329 Rod, Primer, 3.91 " Long 1 330334 (21)
28 131168 Pin, 1/16 " Dia. x 0.50 " Long 1 337388 (22)
29 320713 Disc, Primer 1 337389 (20)
30 320712 Nut, Elastic Stop, 12- 28 1 337391 (18)
31
324438-1 Tube, Follower, 25-9/16 " Long 1 Model 8700-B 337392 (16)
324438-2 Tube, Follower, 34-11/16 " Long 1 Model 8700-C 337392-1 (16)
1 337392-2 (16)
324438-8 Tube, Follower, 16-13/16 " Long 1 337392-3 (16)
1 337392-4 (16)
32 X171000-20 O-Ring, 1-1/16 " ID x 1-5/16 " OD 1 Pack of Ten (10) 337393 (17)
33 324437 Body, Primer 1 337995 (25)
Legend:
Part numbers left blank (or in italics) are not available separately
designates a repair kit item
Repair Kits
Part No. Kit Symbol Description Notes
393514 Kit, Major Repair
393516 Kit, Conversion Tube Required (See Page 4)
393530-9 Kit, Seal [includes five (5) of item number 19]
393530-10 Kit, Seal [includes five (5) of item number 24]

SER 8700 High-Pressure Hydraulic Pump
Revision (2-13) 4 Alemite LLC
Accessories
Hydraulic
Hydraulic
Hydraulic
Hydraulic
Model Number Container Size Follower Cover Kit Collar Bung Adapter Handle Kit
8700-A 35 lbs/20 kg 337665 343081
340090 326750 343082
8700-B 120 lbs/50 kg 338993 338371
8700-C 400 lbs/180 kg 338911 338163
Table 2 8700 Model Series Accessorie

SER 8700 High-Pressure Hydraulic Pump
Revision (2-13) 5 Alemite LLC
IMPORTANT: Prior to performing any main-
tenance procedure, the following safety pre-
cautions 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 perform-
ing any overhaul procedure.
• Disconnect the hydraulicsupply 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 discharge 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 Figure 2 for component
identification on all overhaul procedures.
Disassembly
1. Secure the pump assembly in a soft-jaw vise at Adapter
(3).
2. Extend Primer Rod (27) to end of Primer Body (33).
3. Gently remove Nut (30) from the Primer Rod.
• Use an appropriate size punch in the hole of the
Primer Rod to prevent rotation. See Figure 2.
4. Remove Primer Disc (29) from the Primer Rod.
5. Push the Primer Rod into the Primer Body.
Pump Tube (Outer Components)
6. Rotate the Primer Body.
• Use a large wrench 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.
7. Remove Follower Tube (31) [assembly] from the inner
tube assembly.
8. Unscrew the hydraulic motor from Adapter (3).
• Rotate the hydraulic motor assembly.
9. Remove O-Ring (2) from the Adapter.
NOTE: If the pump was not leaking at the
top of Tube (16), do not separate the Adapter
from the Tube. Components are locked with
Loctite 222. Unscrew Tube (16) from the
Adapter as required.
• Remove Gasket (4).
10. Clamp Retainer (18) horizontally in a soft-jaw vise.
11. Unscrew the Primer Body from Extension (22).
12. Remove O-Ring (32) from the Primer Body.
IMPORTANT: Remove Valve Seat (26)
squarely from the Primer Body. Should the
Valve Seat cock during removal, realign and
start again. Gasket (4) may interfere.
13. Remove Valve Seat (26) from the Primer Body.
14. Remove Gasket (4) from the Valve Seat.
15. Unscrew the Extension from the Retainer.
16. Remove Gasket (21) from the Extension.
17. Remove Valve Body (25) from the Extension.
• Remove Stop Washer (23).
18. Remove Seal (24) from the Valve Body.
19. Remove Bearing (20) and Seal (19) from the Retainer.
20. Unscrew Tube (16) from the Retainer.
21. Remove Gasket (4), Bearing (17), and additional
Gasket (4) from the Retainer.
Pump Tube (Inner Components)
22. Remove Pin (6) that secures Coupling (5) to the
hydraulic motor rod.
• Unscrew the Coupling assembly from the hydraulic
motor rod.
®™

SER 8700 High-Pressure Hydraulic Pump
Revision (2-13) 6 Alemite LLC
23. Clamp Coupling (9) in a soft-jaw vise.
24. Remove upper Pin (7) that secures Coupling (5) to
Rod (8).
• Unscrew the Coupling from the Rod.
25. Remove lower Pin (7) that secures Coupling (9) to the
Rod.
• Unscrew the Rod from the Coupling.
26. Remove Pin (28) that secures Piston (15) to Primer Rod
(27).
• Unscrew the Primer Rod from the Piston.
27. Straighten the tabs on Locking Washer (14).
28. Unscrew Piston (15) from the Coupling.
29. Remove the Locking Washer from the Piston.
30. Remove Ball (13) from the Piston.
31. Remove Spring (12) and Washer (11) from Ball
Stop (10).
NOTE: Separate the Ball Stop from the Cou-
pling only if the connection is loose.
32. Unscrew the Ball Stop from the Coupling as needed.
Clean and Inspect
NOTE: Use the appropriate repair kit for
replacement parts. Make sure all the compo-
nents are included in the kit and in good con-
dition before discarding 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 Piston (15) closely. Use a magnifying glass to
detect any wire draw marks.
• Replace as necessary.
4. Closely inspect the mating surfaces of all components
for any imperfections. Ensure a smooth and clean
contact is obtained when assembled.
EXAMPLE: Place Ball (13) into Piston (15).
Fill the Piston with solvent. Make sure no
leakage occurs.
Assembly
NOTE: Prior to assembly, certain compo-
nents require lubrication in clean oil. Refer to
Table 4 for details.
Pump Tube (Inner Components)
NOTE: Refer to Figure 5 for a section view
of the pump tube assembly.
1. Place Ball (13) into Piston (15).
2. Screw and seat Ball Stop (10) [with Loctite 242 ] into
Coupling (9).
• Follow the thread sealant manufacturer’s
recommendations.
• Tighten securely.
3. Install Washer (11) and Spring (12) onto the Ball Stop.
4. Position Locking Washer (14) into the groove on the
top of the Piston.
5. Screw the Coupling assembly into the Piston.
• Tighten from 19 to 21 foot pounds (25.4 - 28.3 Nm).
• Continue to tighten and align the nearest flat of the
Coupling with the tabs on the Locking Washer.
IMPORTANT: Press on the Ball to ensure it
moves a minimum of 1/8 " (3.2 mm) prior to
contact with the Ball Stop. Should the value
be less, check to ensure the Ball Stop is fully
seated in the Coupling.
6. Bend the tabs of the Locking Washer upward onto the
Coupling.
7. Screw Primer Rod (27) into the Piston until the pin
holes align.
NOTE: Use a spot of grease on all pins to
prevent movement.
8. Install Pin (28).
9. Screw Rod (8) into Coupling (9) until the pin holes
align.
• Install Pin (7).
10. Screw Coupling (5) [end without counter-bore] onto
the Rod until the pin holes align.
• Install additional Pin (7).
11. Secure the hydraulic motor assembly in a soft-jaw
vise.
Item No.
on Figure 2 Description
2 O-Ring, 1-1/8 " ID x 1-1/4 " OD
19 Seal, 0.540 " ID x 0.914 " OD
24 Seal, 0.282 " ID x 0.532 " OD
32 O-Ring, 1 " ID x 1-1/4 " OD
Table 4 Lubricated Components
®™

High-Pressure Hydraulic Pump SER 8700
Alemite LLC 7 Revision (2-13)
12. Screw the Coupling assembly onto the
hydraulic motor rod until the pin holes
align.
• Install Pin (6).
Pump Tube (Outer Components)
13. Install and seat Seal (19) [lips first]
into the bottom of Retainer (18). See
Figure 2.
14. Install and seat Bearing (20) into the
bottom of the Retainer.
15. Install Gasket (21) onto the top of
Extension (22).
IMPORTANT: If a primer is used
with Loctite 222, the curing time
is greatly reduced.
16. Screw the Extension [with Loctite 222]
(Gasket end first) into the bottom of
the Retainer.
• Follow the thread sealant
manufacturer’s recommendations.
•Do not tighten at this time.
17. Install Gasket (4) into the top of the
Retainer.
18. Install and seat Bearing (17) [small
diameter first] and additional Gasket
(4) into the top of the Retainer.
19. Screw Tube (16) [with Loctite 222]
into the top of the Retainer.
• Do not tighten at this time.
20. Install and seat Gasket (4) into Adapter
(3).
21. Screw the Tube assembly [with Loctite
222] into the Adapter.
• Do not tighten at this time.
22. Install O-Ring (2) onto the Adapter.
23. Apply grease to Piston (15).
• This will aid the installation process.
CAUTION
Install the outer component assembly
onto the inner assembly with care. Dam-
age to Seal (19) can occur.
Figure 5 Pump Tubes 337384-A1, B1, and G1 - Section View
Refer to Figure 2 Parts List
for Parts Identification

SER 8700 High-Pressure Hydraulic Pump
Revision (2-13) 8 Alemite LLC
24. Install the outer component assembly onto the inner
assembly.
• Use a slight twisting motion to pass the Seal.
• At the same time thread the Adapter into the base of
the hydraulic motor.
IMPORTANT: Make sure the flange portion
of the Adapter seats flush against the base of
the air motor. Should a gap exist, inspect the
components of the air motor packing group.
25. Install Stop Washer (23) into the Extension.
26. Install and seat Seal (24) [heel end first] into Valve
Body (25).
27. Install the Valve Body assembly (Seal first) onto
Primer Rod (27).
• Make sure the Valve Body assembly seats properly
in the Extension.
28. Install Follower Tube (31) over the outer tube
assembly.
29. Install O-Ring (32) onto Primer Body (33).
30. Install and seat Valve Seat (26) [large diameter first]
into the Primer Body.
31. Install and seat Gasket (4) into the Primer Body.
32. Screw the Primer Body onto the Extension.
33. Place a large wrench or other suitable tool into the slot
of the Primer Body.
• Tighten all the components of the assembly securely.
• Crush all Gaskets.
34. Extend Primer Rod (27) from the Primer Body.
35. Install Primer Disc (29) onto the Primer Rod.
36. Gently screw Nut (30) onto the Primer Rod.
• Use an appropriate size punch in the hole of the
Primer Rod to prevent rotation. See Figure 2.
• Do not overtighten.
Loctite, 222, and 242 are trademarks of Henkel Corporation in the U.S. and elsewhere. ®
Trademark Office.
denotes a trademark registered in the U.S. Patent and

SER 8700 High-Pressure Hydraulic Pump
Revision (2-13) 9 Alemite LLC
Troubleshooting Chart
Pump Indications Possible Problems Solution
Pump does not cycle 1. Hydraulic motor not operating properly
2. Pump tube jammed and/or contains loose
components
3. Insufficient hydraulic pressure
1. Inspect hydraulic motor and rebuild
or replace as necessary
2. Rebuild pump tube
3. Increase hydraulic pressure
Pump will not prime 1. Excessive cycling speed
2. Pump leaking internally
1. Reduce hydraulic pressure
2. See Internal Leaks
Pump cycles rapidly Product source empty Replenish product
Pump cycles continuously, or
slowly (once or twice/hour)
1. Pump leaking internally
2. Pump leaking externally
3. Distribution system leaking
1. See Internal Leaks
2. See External Leaks
3. Correct leak
External Leaks
Product leakage visible at top
of Adapter (3)
1. Initial tightening of Adapter (3) to
Hydraulic Motor Assembly (1) not
sufficient
2. Damaged O-Ring (2)
1. Tighten Adapter (3) into Hydraulic
Motor Assembly (1)
2. Replace O-Ring (2)
Product leakage visible at top
of Follower Tube (31)
1. Initial tightening of Tube (16) to Adapter
(3) or Tube (16) to Retainer (18) or
Extension (22) to Retainer (18) or
Extension (22) to Primer Body (33) not
sufficient
2. Gasket(s) (4) worn or improperly
crushed
3. Gasket (21) worn or improperly crushed
1. Tighten all components
2. Replace Gasket(s) (4)
3. Replace Gasket (21)
Product leakage visible at
bottom of Follower Tube (31)
Damaged O-Ring (32) Replace O-Ring (32)
Internal Leaks
Pump does not prime or
cycles continuously, or slowly
(once or twice/hour)
1. Foreign material between Ball (13) and
seat in Piston (15)
2. Foreign material between Valve
Body (25) and Valve Seat (26)
3. Worn or damaged Ball (13)
4. Worn or damaged Piston (15)
5. Worn or damaged Spring (12)
7. Worn or damaged Valve Body (25)
8. Worn or damaged Valve Seat (26)
9. Worn or damaged Seal (19)
10. Worn or damaged Seal (24)
11. Worn or damaged Primer Rod (27)
1. Locate and eliminate source of
foreign material.
2. Disassemble pump tube, clean,
inspect, and replace worn or
damaged components.
Changes Since Last Printing
Corrected part number