66607X-X-A (en)
Page 5 of 8
PARTS LIST /
6660XX-X-X-A
FLUID SECTION
NOTE: Radius edge of parts (5 and 6) is against diaphragm.
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.
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.
FOR THE
AIR MOTOR SECTION
SEE PAGES 6 AND 7
7
8
View for -X44 (PTFE diaphragm) configuration only.
AIR SIDE
SANTOPRENE
(GREEN when
used as backer)
FLUID SIDE
(WHITE)
Air
Side
Fluid
Side
Cross Section View of Diaphragms
1
8
6
4
2
3
7
5
Torque Sequence
Air
Side
Fluid
Side
PTFE
29
15
124
63
26
60
22
21
19
5
14
9
6
7
3
1
3
3
3/4" Inlet
3/4 " Outlet
61
22
19
21
2
Figure 2
