Product Manual

66615X-X-C (en) Page 7 of 12
PARTS LIST / 6661X1 and 1XB FLUID SECTION
1
29
,
U
.
,
NOTE: DO NOT OVERTIGHTEN FASTENERS.
(14) Diaphragm screw, 65 -70ftlbs (88.1 - 94.9 Nm.).
(26)Bolts, 240 - 280 in. lbs (27.1-31.6 Nm).
(29) Nuts, 120-140 in. lbs(13.6 - 15.8 Nm).
k Apply Key-Lubetoall“O”rings,“U” Cups & mating parts.
z
Apply Loctite

271tothreads
U
Apply anti-seize compound to threads and bolt and nut
ange heads which contact pump case when using
stainless steel fasteners.
View for 6661XX-XX4 -C (PTFE diaphragm) conguration only.
7
k
3
COLORCODE
Seeitem 8ininset below.
26
,
U
61
59
U
15
22
21
19
k
60
27
U
14,
z
9
6
5
2
k
Tab
7 PTFE
(white)
Santoprene
8
(Greenwhen used as backer)
Air Side
Fluid Side
Fluid Side
Air Side
Cross Section View of Diaphragms
5
7
2
3
4
1
8
6
Torque Sequence
901
3 k
26, U
Figure3
Acetal
E.P.R.
Hytrel
Neoprene
Nitrile
Santoprene
PTFE
Polyurethane
Viton
N/A
Blue(-)
Cream
Green(-)
Black
Tan

White
N/A
Yellow(-)
(-)Stripe
Orange
Blue(•)
Cream
Green(•)
Red(•)
Tan
White
Red
Yellow(•)
(•)Dot
Material
Diaphragm
color
Ball
Color
LUBRICATION/ SEALANTS
TORQUE REQUIREMENTS
22
21
19
k
Tab
FOR THE
AIR MOTOR SECTION
SEE PAGES 8 AND 9
RELEASED 13/Nov/2018 12:24:00 GMT