Use and Care Manual

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 OVERTIGHTENFASTENERS
(14) Bolt,25-30 ft lbs (33.9-40.7Nm).
(26) Boltsand (29) nuts,120 -140 in.lbs (13.6-15.8 Nm).
(105) 40 -50in. lbs(4.5- 5.6Nm).
LUBRICATION / SEALANTS
ApplyLoctite 271 to threads.
ApplyKey-Lubetoall “O” rings, “U” Cups&matingparts.
Apply anti-seize compound to threads and bolt and nut ange
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 CreamCream
NeopreneGreen (--) Green (• )
Santoprene CreamCream
PTFE White White
Urethane N/A Red
Viton Yellow(-- )Yellow(•)
(--) Stripe ( •)Dot
See item 8ininset below.
FOR THE
AIR MOTOR SECTION
SEE PAGES 6 AND 7
7
8
View for -X44 (PTFE diaphragm) conguration only.
AIR SIDE
SANTOPRENE
(GREEN when
used as backer)
FLUID SIDE
(WHITE)
Air
Side
Fluid
Side
Cross SectionViewofDiaphragms
1
8
6
42
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