Page 6 of 12
66610X-X-C (en)
PARTS LIST /
6661X0, 1XA, 1X2, 1X9, 1XC and 1XD -
FLUID SECTION
2
5
9
14
15
16
18
22
24
29
21
22
FOR THE
AIR MOTOR SECTION
SEE PAGES 8 AND 9
26
17
OPTIONAL
1/2 - 14 N.P.T.
91046
3/4 - 14 N.P.T.
3/4 - 14 N.P.T.
1’’ OUTLET
1’’ INLET
Air Inlet
Figure 2
19
16
26
21
22
19
6661XD - XXX - C
6661X9 - XXX - C
23
NOTE: Radius edge of parts (5 and 6) is against diaphragm.
COLOR CODE
DIAPHRAGM
BALL
MATERIAL
COLOR
COLOR
Acetal
N/A
Orange
Nitrile
Red (--)
Red ( • )
Hytrel
Cream
Cream
Neoprene
Green (--)
Green (• )
Santoprene
Cream
Cream
PTFE
White
White
Urethane
N/A
Red
Viton
Yellow (--)
Yellow ( • )
(--) Stripe
( • ) Dot
*
See item 8 in inset below.
TORQUE REQUIREMENTS
NOTE: DO NOT OVERTIGHTEN FASTENERS
(14) Bolt, 25 - 30 ft lbs (33.9 - 40.7 Nm).
(26) Bolts and (29) nuts, 120 - 140 in. lbs (13.6 - 15.8 Nm).
(105) 40 - 50 in. lbs (4.5 - 5.6 Nm).
LUBRICATION / SEALANTS
Apply Loctite 271 to threads.
Apply Key-Lube to all “O” rings, “U” Cups & mating parts.
Apply anti-seize compound to threads and bolt and nut flange
heads which contact pump case when using stainless steel
fasteners.
26
6
3
7
3
24
26
7
8
View for -X44 (PTFE diaphragm) configuration only.
AIR SIDE
SANTOPRENE
(GREEN when
used as backer)
FLUID SIDE
(WHITE)
1
8
6
4
2
3
7
5
Torque Sequence
Air
Side
Fluid
Side
Cross Section View of Diaphragms
Air
Side
Fluid
Side
PTFE
6661XD - XXX - C
6661X9 - XXX - C
1
107
106
105
21
19
RELEASED 13/Nov/2018 12:24:02 GMT
