Balcrank 1120-011, Operation, Installation, Maintenance And Repair Manual

Page: 7 / 10

1120-011 1/2" Plastic Pump Exploded View/Parts List
Page 7
18
12
14
15
13
10
16
1
29
32
17
20
19
31
26
22
23
2
5
9
24
27
25
21
6
7
8
28
33
11
34
36
35
4
37
3
50 in-lbs
(5.6 N-m)
35 in-lbs
(4.0 N-m)
55 in-lbs
(6.2 N-m)
25 in-lbs
(2.8 N-m)
Torque
Settings
Item Description Qty. Kit Part#
1a Air Valve Assembly 1 393776-36
(Items 1-9)
1 Air Valve Body 1 393776-37
2 Air Valve Spool 1 393776-38
(including U-Cups)
3 Air Valve Spool U-Cup 2
▲
4 Air Valve End Caps 2 393776-39
5 Air Valve End Cap O-ring 2 393776-40
6 End Cap Staple 2 393776-41
7 Air Valve Diverter 1
▲
8 Air Valve Plate 1
▲
9 Air Valve Gasket 1
▲
10 Air Valve Cap Screw 4 393776-71
11 Center Section 1 393776-45
12 Main Shaft 1 393776-48
13 Main Shaft O-ring 2
▲
14 Pilot Shaft 1 393776-50
15 Pilot Shaft O-ring 6
▲
16 Pilot Shaft Snap Ring 2
▲
17 Pilot Shaft Spacer 5
▲
18 Shaft Retainer 2 393776-46
19 Pilot Retainer Screw 4 393776-47
20 Inner Diaphragm Plate 2 393776-155
21 Outer Diaphragm Plate 2 393776-110
22 Air Exhaust Muffler 1 393776-165
23 Diaphragm 2
●
24 Water Chamber 2 393776-105
25 Water Chamber Bolt 16 393776-118
26 Water Chamber Flange Nut 16 393776-115
27 Water Chamber Flat Washer 16 393776-120
28 Ball Cage 4 393776-109
29 Valve Seat 4 393776-108
31 Valve Ball 4
●
Item Description Qty. Kit Part#
32 Manifold O-ring 4
●
33 Discharge Manifold 1 393776-106
34 Suction Manifold 4 393776-107
35 Manifold Bolts 8 393776-121
36 Manifold Washers 8 393776-120
37 Manifold Nuts 4 393776-111
38 Manifold Plugs (not shown) 4 393776-111
Repair Kits & Replacement Parts
Wet End Kit (Buna / Acetal) 1 831591
Includes parts designated with a
●
Air End Kit 1 831589
Includes parts designated with a
▲
Buna-N Diaphragm 831597
Acetal Valve Ball 831594
Polypropylene Valve Spool 831595
Muffler, 3/8" NPT Threads 831611