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66610X-X-C (en) Page 5 of 8 Page 5 of 8
2
5
78
9 14
15
16
18
19
21
22
24
29
21
22
FOR THE
AIR MOTOR SECTION
SEE PAGES 6 & 7
View for -X44 (PTFE diaphragm) conguration only.
NOTE: Radius edge of parts(5 and 6) is against diaphragm.
AIR SIDE
SANTOPRENE
(GREEN when
used asbacker)
FLUID SIDE
(WHITE)
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
COLOR CODE
DIAPHRAGM BALL
MATERIAL COLOR COLOR
Acetal N/A Orange
Nitrile Red (--) Red (• )
E.P.R. Blue (--) Blue ( •)
Hytrel Cream Cream
Neoprene Green (--) Green (• )
Santoprene Cream�
Cream
PTFE White White
Urethane N/A Red
Viton Yellow (--) Yellow ( • )
(--)Stripe ( •) Dot
*
See item8in 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).
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 ange
heads which contact pump case when using stainless steel
fasteners.
19
16
26
21
22
19
6661XD - XXX - C
6661X9 - XXX - C
23
Air
Side
Fluid
Side
Cross Section View of Diaphragms
1
8
6
42
3
7
5
Torque Sequence
26
Air
Side
Fluid
Side
6 373 1
24
26
PTFE
6661XD - XXX - C
6661X9 - XXX - C
PARTS LIST / 66610X-X-C FLUID SECTION