User's Manual

19307707
Parts
Models
238983, 238986 Series C
electropolished stainless steel, 2 npt(f) inlet/outlet
238984, 238987 Series C
electropolished stainless steel, 2-in. sanitary inlet/outlet
238985, 238988 Series C
electropolished stainless steel, 1.5-in. sanitary inlet/outlet
Ref Part
No. No. Description Qty.
1 15D038 COVER, fluid; electro-
polished SST 1
2 191768 COVER, air; cast aluminum 1
3a 191771 FITTING, 2 npt(f)
Used on Models
238983, 238986 2
3b 187004 FITTING, 2-in. sanitary
Used on Models
238984, 238987 2
3c 188286 FITTING, 1.5-in. sanitary
Used on Models
238985, 238988 2
5 107078 PACKING, o-ring 2
6
 191407 DIAPHRAGM, backing, TPE 1
7a
 118357 DIAPHRAGM, PTFE; Used on
Models 238983, 238984, 238985 1
7b 15F232 DIAPHRAGM, PTFE; Used on
Models 238986, 238987, 238988 1
8
 15W044 SCREW, M12, cap, hex head 12
9
 15W043 NUT, hex; M12 12
10
 107541 LOCKWASHER, spring; M12 12
11 109570 WASHER, plain 12
12 180952 RING, lift 1
13 180969 BUSHING, air valve 1
14 108147 ELEMENT, filter 1
15 104031 VALVE, charge, tank 1
16 238876 VALVE, relief 1
17 180942 CAP, relief valve 1
18 108519 O–RING; fluoroelastomer 1
19 116343 SCREW, grounding 1
21* 181068 TAG, warning (not shown) 1
 These parts are available in Diaphragm Repair
Kit 248079, which can be ordered separately.
* Extra warning tags are available at no charge.

Included in repair kit 249141.
7286C
1
3b, 3c
5
5
6
7a, 7b
8
10
9
11
12
13
14
15
16
17
18
2
19
Torque to 68 to 81 N-m (50 to 60 ft-lb).
1
1
Torque to 136 to 149 N-m
(100 to 110 ft-lb).
2
Apply lubricant to o-ring
surface before reassembling.
3
2
3
3
Apply thread sealant and
thread tape to pipe threads
before reassembling.
4
4
4
4
3a
2
3b, 3c
2
3a
2
1
Non-standard thread. Use
Graco-approved fittings only.
5
5
5