Filter
Top Products
Page 2 of 4 6694X-XXX (en)
MATERIAL CODE
[B] = Nitrile [SS] = Stainless Steel
[Ny] = Nylon [T] = PTFE
[PSH] = Hard Chrome Plated Hard Stainless Steel [TC] = Tungsten Carbide
[PSS] = Hard Chrome Plated Stainless Steel [UH] = UHMW-PE
[SH] = Hard Stainless Steel
LOWER PUMP DISASSEMBLY
Unscrew three (12) nuts from (10) tie rods.
Remove (15) foot valve body from (10) tie rods and (9)
suction tube. NOTE: Use of a soft face mallet might be
helpful to accomplish this step.
Note the position of (20) pin and (17) ball from (15) foot
valve body.
Unscrew (24) seat retainer and remove (22) ball seat, (23)
gasket and (8) “O” ring.
Pull (9) suction tube and (26) plunger from (6) pump
body.
Push (26) plunger assembly out lower end of (9) suction
tube.
Unscrew (36) seat body and remove (29) gasket, (27) ball
and (28) ball seat from (26) plunger. NOTE: (36) seat body
has two 0.250” dia. x 0.250” deep holes. Use a spanner
wrench (ARO tool 637404-B is available) to loosen.
Remove (40) retaining ring from (36) seat body.
Remove (8) “O” ring from (6) pump body.
Unscrew (1) solvent cup from (6) pump body. NOTE: (1)
solvent cup has six 3/8” dia. x 3/8” deep holes. Use a rod
or spanner wrench (ARO tool 637406 is available) to
loosen.
Remove (45) washer, (44) wave spring, (53) male washer,
(51 and 52) packings and (50) female washer from (1)
solvent cup.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11
.
LOWER PUMP REASSEMBLY
All threads are right hand.
Apply lubricant to all rubber parts before assembling (it is
not necessary to lubricate UHMW-PE and PTFE packings).
NOTE: All threads are to be cleaned before reassembly.
The cleaning of threads is a benefit to help insure the
overall reassembly process. Please note the use of the
following materials: Loctite® Primer T™ with Loctite 242®
Threadlocker and Loctite Nickel Anti-Seize.
All threaded parts are stainless steel and care should be
taken on threaded connections.
Apply Loctite Nickel Anti-Seize to threads as indicated ( gure
1, page 3) during assembly.
Apply ARO Wet-Sol "Plus" to threads as indicated (figure 1,
page 3) during assembly.
Apply Primer T with Loctite 242 Threadlocker to threads as
indicated (figure 1, page 3) during assembly. Follow these
instructions to apply materials to threads.
a. Clean parts with solvent and allow to dry.
b. Apply Primer T to mating threaded parts and allow 3 to 5
minutes to dry at 72° F.
c. Apply Loctite 242 Threadlocker to mating threaded parts
being assembled.
d. Assemble parts within 3 minutes of applying
Threadlocker.
e. Tighten per "Torque Requirements", (see page 3).
f. Curing times: Fixed in 5 minutes and full cure in 2 hours.
NOTE: If Primer T is not used, the cure time will be
e ected as follows: xed in 20 minutes and full cure in
24 hours.
PARTS LIST / 6694X-XXX
Item Description
(size)
(Qty) Part No. [Mtl] Item Description
(size)
(Qty) Part No. [Mtl]
1 Solvent Cup (1) 66730 [SS]
6 Pump Body (1) 79166 [SS]
9
8
“O” Ring
(3/32” x 3-9/16” o.d.)
(models 6694X-KXX)
(2) 93333 [B]
(models 6694X-CXX, -LXX, -PXX, -RXX)
(2) 92619 [T]
9
Suction Tube
(models 66941-XXX)
(1) 92599-1 [SH]
(models 66942-XXX)
(1) 79164 [SS]
10 Tie Rod (3) 79156 [SS]
12 Nut
(1” - 14)
(3) 79184 [SS]
15 Foot Valve Body (1) 92613 [SS]
17
Ball
(1.5000” o.d.) (models 66941-XXX)
(1) Y16-148 [SH]
(models 66942-XXX)
(1) 79155 [SS]
20 Pin
(5/16” o.d. x 3-7/16”)
(1) 79157 [SS]
22
Ball Seat
(models 66941-X3X, 66941-X6X)
(1) 92608 [SH]
(models 66942-X3X, 66942-X6X)
(1) 77431 [SS]
(models 6694X-XCX, 6694X-XDX)
(1) 95769 [TC]
9
23 Gasket (1) 92609 [SS]
24 Seat Retainer (1) 92607 [SS]
26
Plunger
(models 6694X-XX3)
(1) 60609 [PSH]
(models 6694X-XX6)
(1) 61429 [PSS]
(models 6694X-XXD)
(1) 67204 [PSH]
(models 6694X-XXF)
(1) 67205 [PSS]
27
Ball
(1.0000” o.d.) (models 66941-XXX)
(1) Y16-132 [SH]
(models 66942-XXX)
(1) 90948 [SS]
28
Ball Seat
(models 66941-X3X, 66941-X6X)
(1) 92610 [SH]
(models 66942-X3X, 66942-X6X)
(1) 77430 [SS]
(models 6694X-XCX, 6694X-XDX)
(1) 95770 [TC]
9
29 Gasket (1) 92612 [SS]
36 Seat Body (1) 93234 [SS]
40 Retaining Ring (1) 93225 [SS]
9
44 Wave Spring
(models 6694X-X6X, -XDX)
(1) 79175 [SH]
9
45 Washer (1) 93041 [Ny]
9
50
Washer
(models 6694X-CXX, -PXX)
(1) 93756-4 [UH]
9
(models 6694X-LXX, -RXX)
(1) 93756-5 [T]
9
51
“V” Packing
(models 6694X-CXX, -PXX)
(2) 93683-4 [UH]
9
(models 6694X-LXX, -RXX)
(2) 93683-5 [T]
9
52
“V” Packing
(models 6694X-CXX, -RXX)
(2) 93683-4 [UH]
9
(models 6694X-LXX, -PXX)
(2) 93683-5 [T]
9
53 Male Packing Washer
(models
6694X-CXX, -LXX, -PXX, -RXX)
(1) 92602 [SS]
9
71
“W” Packing
(models 6694X-CXX, -PXX)
(1) 93758-4 [UH]
9
(models 6694X-LXX, -RXX)
(1) 93758-5 [T]
9
72
Wiper
(models 6694X-CXX, -PXX)
(1) 93757-4 [UH]
9
(models 6694X-LXX, -RXX)
(1) 93757-5 [T]
9
75 Packing
(models 6694X-KXX only)
(1) 93568-1 [T]
9
76 Packing
(models 6694X-KXX only)
(1) 93567-1 [T]
9
Items included in Service Kit 637211-XX3
(continued on page 4)