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Page 5 of 8AD25A-X-X
PARTS LIST / AD25A-X-X FLUID SECTION
12 k 3 k 5 d
6 d
78
9
14 ,
15
16
19 k
21
22
29 ,
21
22
FOR THE
AIR MOTOR SECTION
SEE PAGES 6 & 7
View for AD25A-XXX-XXT (PTFE diaphragm) configuration only.
d NOTE: Radius edge of parts (5 and 6) is against diaphragm.
AIR SIDE
SANTOPRENE
(GREEN when
used as backer)
FLUID SIDE
PTFE
(WHITE)
7
3 k
AIR
INLET
Figure 1
COLOR CODE
DIAPHRAGM BALL
MATERIAL COLOR COLOR
Hytrel Cream Cream
Santoprene Cream
*
Cream
Santoprene Green N/A
(Backup)
PTFE White White
*
See item8 in inset below.
. TORQUE REQUIREMENTS ,
NOTE: DO NOT OVERTIGHTEN FASTENERS
19 k
16
26 ,
AIR
SIDE
FLUID
SIDE
FLUID
SIDE
AIR
SIDE
CROSS SECTION VIEW OF DIAPHRAGMS
1
8
6
42
3
7
5
Torque Sequence
26 ,
(14) Diaphragm bolt 25 - 30 ft lbs (33.9 - 40.7 Nm), apply Loctite 271 to threads.
(26) Bolts and (29) nuts 120 - 140 in. lbs (13.6 - 15.8 Nm).
k 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.
LUBRICATION / SEALANTS
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