6696X–X
OPERATOR’S MANUAL
RELEASED: 2–12–91
INCLUDING:ĂSERVICE KIT, TROUBLESHOOTING, PARTS LIST, DISASSEMBLY AND REASSEMBLY
REVISED:
(REV. G)
11–22–96
FOUR–BALL STYLE LOWER PUMP END
ALSO COVERS 637240-X43 & 637241-C33 SERVICE KITS
66960–XXX
(CARBON STEEL)
(CANCELLED 9/96)
(Replaced by 66963-XXX)
66963–XXX
(CARBON STEEL)
66961–XXX
(400 STAINLESS STEEL)
(ELECTROLESS NICKEL PLATED)
READ THIS MANUAL CAREFULLY BEFORE INSTALLING,
OPERATING OR SERVICING THIS EQUIPMENT
.
LOWER PUMP END OPTION DESCRIPTION CHART*
PACKING MATERIAL (PACKINGS ARE UPPER AND LOWER UNLESS NOTED)
1 J THIOKOLLEATHER
C
F
UHMW-PE
āX
6696 –āX 4 3
7
GLASS FILLED TEFLON (UPPER)
VIRGIN TEFLON (LOWER)
UHMW-PE / LEATHER STAG'D (UPPER)
UHMW-PE (LOWER)
8 J TEFLON (GF) / LEATHER STAG'D (UPPER)
VIRGIN TEFLON (LOWER)
A J UHMW-PE (UPPER)
LEATHER (LOWER)
P
R
UHMW-PE / TEFLON STAG'D (UPPER)
UHMW-PE (LOWER)
PUMPMATERIAL
PACKING MATERIAL
PLUNGERTYPE
TEFLON / UHMW-PE STAG'D (UPPER)
TEFLON (LOWER)
SPRINGARRANGEMENT
B J UHMW-PE (UPPER)
TEFLON (LOWER)
PUMP MATERIAL
SPRING ARRANGEMENT
PLUNGERTYPE
3
0
1
3
CARBON STEEL(CAN'D 9/96)
1
2
3
4
COILSPRING J
HD SS W/HD CHROME PLATING
400 STAINLESS STEEL
COMPOSITE SPRING J
NO SPRING J
MULTIPLE WAVE SPRING
CARBON STEEL- E NICKELPLATED
J
AS OF MAY 15, 1995 NO LONGER AVAILABLE
* NOT ALL MODEL COMBINATIONS ARE AVAILABLE, REFER TO PUMP MODEL MANUAL (650XXX-XXX) FOR ``ACTIVE" MODELS.
SERVICE KITS
TROUBLE
SHOOTING FOUR–BALL PUMPS
• Use only genuine ARO replacement parts to assure compatible
pressure rating and longest service life.
Lower Pump End Problems
• 637240-X43 & 637241-C33 for general repair of 6696X-X43 LowĆ
No material at outlet / pump continually cycles.
er Pump Ends.
• Check material supply, disconnect or shut off the air supply and reĆ
plenish the material, reconnect.
GENERAL DESCRIPTION
Material on one stroke only / fast downstroke.
LOWERPUMP END
DO NOT EXCEED MAXIMUM OPERATING PRESĆ
WARNING
SURE AS INDICATED ON PUMP MODEL PLATE.
• The lower balls may not be seating in the foot valve (see lower
pump disassembly). Remove the balls from the foot valve, clean
and inspect the ball and valve seat area. If balls or foot valve are
damaged, replace.
REFER TO GENERAL INFORMATION SHEET
WARNING
FOR ADDITIONAL SAFETY PRECAUTlONS AND IMPORTANT
INFORMATION. (See the pump model manual for the proper Form
No.)
Material on one stroke only / fast upstroke.
This is one of the four documents which support the pump.
Replacement copies of these forms are available upon request.
- 650XXX-āX-X MODELOPERATOR'S MANUAL
- GENERALINFORMATION - INDUSTRIALPISTON PUMPS
= 6696Xā-āX LOWER PUMP END OPERATOR'S MANUAL
- AIR MOTOR OPERATOR'S MANUAL
• Check for worn or damaged seals. Replace the seals as necessary.
Material leakage out of the solvent cup or material appears on the
pump plunger rod.
• The four-ball design provides for easy priming of the lower foot
valve. The double acting feature is standard on all ARO industrial
pumps. Material is delivered to the pump discharge outlet on both
the up and down stroke.
• For Models (-X4X Only). Increase the loadonthepackingsbytightĆ
ening the packing nut. Check for worn upper packings and replace
them as necessary.
INGERSOLL–RAND COMPANY
ONE ARO CENTER
D
BRYAN, OHIO 43506–0151
T
&
(419) 636–4242
D
FAX (419) 633–1674
E1996 D PRINTED IN U.S.A.
LOWER PUMP END
THESE MODELS ARE NO LONGER
AVAILABLE AS OF MAY 15, 1995.
1g
UPPER PACKING OPTIONS
4 ,
115g
COMPOSITE
SPRING
-X23 MODELS
COIL SPRING
-X13 MODELS
``W" PACKING
-X33 MODELS
5
UPPER
``V" PACKING
52
51
50
50
52
6
52
51
51
53
53g
43g
14
70
41
42
15
. 2g
Consists
of 4 pcs.
27 & 28-
38
12
13
NOTE: When using ``STAGGERED" packings use the shaded posiĆ
tion as shown in the views above for the ``52" packings.
11
10
g
These parts are required to update to the latest packing
and spring configuration.
26k
25
- Replacement Seats are available:
27 93292-X (2) Seats
16
7
28 Y328-24 (2) ``O" rings. (Not Shown)
``O" Ring included in Service Kit.
. 36
9
7
66
65
29
6
8
LOWER
CUP PACKING
65
66
13
.
1
0
9
. 36
. 30
.TORQUE REQUIREMENTS,
NOTE: DO NOT OVERTIGHTEN FASTENERS
. (4) Screw, (12) Nuts, (22) Screws,
25 - 30 ft lbs. (34 - 41 Nm.)
2 ,
. (30) and (36) Nuts 45 - 50 ft lbs. (61 - 68 Nm.)
. (2) Packing Adapter 100 - 110 ft lbs.
(136 - 149 Nm.)
LUBRICATION / SEALANTS
k Clean threads on (26) rod & apply
Loctite #271 to threads.
Apply Loctite Nickel Antiseize to all
threads on 66961-XXX Models.
6696X-X
PAGE 3 OF 4
PACKING OPTIONS AND SERVICE KITS
LOWER PUMP SERVICE KIT
UPPER PACKING
52 (3) ``V" PACKING
LOWER PKG
65 (2) PACKING
51 (X) ``V" PACKING
70 PACKING
6696X-XXX
-1X3 J
63724X-XX3
637240-F43
637240-F43
637241-C33
637241-C33
637240-C43
637241-C33
PART NO QTY. MT'L PART NO
MT'L PART NO MT'L PART NO MT'L
93688-1
93688-4
(6)
(3)
[L]
92963-1
92963-4
[L]
-8X3 J
[UH] 93688-1
[L]
[UH]
[UH]
[UH]
[UH]
[UH]
-A33 J
93355-1
93355-1
[UH] 92963-4
[UH] 92963-4
92963-4
-B33 J
-C13 J, C43
-C33 J
93688-4
(6)
[UH]
93355-1
[UH] 92963-4
J
AS OF MAY 15, 1995 NO LONGER AVAILABLE // EXAMPLE: 66960-113 is replaced by 66960-F43 & Service kit is 637240-F43
LOWER PUMP DISASSEMBL
Y
LOWER PUMP REASSEMBL
Y
1. Unscrew six (22) cap screws to remove (19) ball seat assembly, two
(20) ``O" rings and two (21) balls.
2. Unscrew three (4) screws and remove (6) cap, two (14) balls and
(15) ``O" ring.
3. Unscrew (1) adjustable packing nut and remove (115) female washer,
• Clean and lubricate parts upon reassembly.
Use Loctite Anti-Seize on threads of 66961-XXX assemblies.
• Refer to parts view on page 3 for packing direction.
1. Place two (65) cups onto (29) follower as shown in figure 2 with two
(66) back up washers.
six (51) or (51) /(52) ``V" packings, (53) male washer and (43) wave
(3)
2. Retain two (65) cups in place using two (36) nuts. Torque nuts to
45-50 ft lbs.
3. Slip (25) gasket and piston cup assembly onto (26) pump rod.
4. Screw (30) nut onto (26) pump rod to retain piston cup assembly.
Torque to 45-50 ft lbs.
5. Thoroughly grease (9) tube. Place piston cup assembly into (9)
tube.
6. Place (18) housing in a vise and secure. Screw two (10) rods into
(18) housing.
7. Place four (16) ``O" rings onto two (17) tubes. Place two (17) tubes
into (18) housing. Place two (7) gaskets into (18) housing and (11)
head and seat assembly. Place (9) tube onto (18) housing.
8. Screw two (10) rods into (11) head and seat assembly.
9. Insert (38) gasket and screw (2) packing adapter into (11) cylinder
head. Insert (43) wave spring, (53) male washer, six (51) or
(3)
spring. Unscrew (2) packing adapter and remove (38) gasket.
4. Unscrew four (12) nuts and remove (13) lockwashers (If req'd) and
(11) head and seat assembly.
5. Unscrew four (10) tie rods from (18) housing and (11) head and seat
assembly.
6. Pull two (17) tubes from (18) housing and remove two (16) ``O" rings
from each (11) tube.
7. Pull (9) tube from (18) housing and remove two (7) gaskets.
8. Pull (26) pump rod and piston cup assembly from (9) tube.
9. Unscrew (30) nut and remove piston cup assembly and (25) gasket
from (26) pump rod.
10. To disassemble piston cup assembly, unscrew two (36) nuts. This
will enable the two (66) washers and two (65) piston cups to be reĆ
moved from (29) follower.
(51) /(52) ``V" packingsand(115) female packingwasherinto(11)
(3)
(3)
head and seat assembly. Screw (1) adjustable packing nut loosely
onto (11) head and seat assembly.
10. Position (11) head and seat assembly over (9) tube, (17) tubes and
two (10) rods. Screw two (12) nuts onto two (10) rods protruding
thru (11) head and seat assembly. Tighten after other two (12) nuts
are assembled. Torque (12) nuts to 25-30 ft lbs.
11. Place two (14) balls over two holes located in (11) head and seat
assembly.
12. Be sure (15) ``O" ring is positioned in groove at bottom of (6) cap
(replace if necessary). Place (6) cap in position over (11) head and
seat assembly. Screw three (4) screws into (6) cap. Torque screws
to 25-30 ft lbs.
13. Release assembly from vise and lay on work bench.
14. Tighten two (12) nuts protruding through (18) housing to secure
(18) housing to (9) tube. Torque (12) nuts to 25-30 ft lbs.
15. Position two (21) balls over two ports located in (18) housing. Be
sure two (20) ``O" rings are in place on (19) plate.
16. Place (19) plate over (18) housing and secure by using six (22)
screws. Torque screws to 25-30 ft-lbs. Tighten (2) adapter, torque
to 100-110 ft lbs.
PN 97999-051
6696X-X
PAGE 4 OF 4
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