Dual-Chamber A7A Gun - Nordson A7A Product Manual

34
A7A Airless Spray Gun

Dual-Chamber A7A Gun

Item Part
— 248 937
1 981 140
2 983 120
3 153 028
4 153 031
5 153 022
6 984 539
7 240 274
8 940 090
9 940 154
10 973 125
11 153 158
12 981 405
13 972 176
13a 973 410
14 153 151
15 981 513
16 153 152
17 940 134
18 - - - - - -
19 940 174
20 248 933
21 940 105
22 248 936
23 248 932
24 900 013
25 981 171
NOTE A: Included in kit, part 106 230.
B: Used in non-circulating systems. Replaces two of the elbows, part 972 176.
C: Included in kit, part 160 354.
D: Included in kit, part 134 972.
E: Included in kit, part 106 416.
Manual 4-6
See Figure 9.
Description
Gun, Model A7A, dual-chamber
Screw, fillister head, #10-32 x 1.00
Washer, lock, split
Cylinder
Gasket, gun, H-20
Piston assembly
Nut, lock, #10-32, upper
Nut, seal, lock
O-ring, Viton, black, 0.218 x 0.344 x 0.063
O-ring, Buna-N, 0.563 x 0.688 x 0.063
1
Elbow, pipe, auto, str,
Block, mounting
3
Screw, square head, /
8
1
Elbow, male, 37 , / -20 x
2
1
Plug, pipe, / NPTF
4
Body, gun
Screw, pan head, #10-32 x 2.00
Cartridge, packing
O-ring, Viton, 0.438 x 0.563 x 0.063
Needle and seat
O-ring, Viton, 0.688 x 0.813 x 0.063
Retainer, seat
O-ring, Teflon, 0.250 x 0.375 x 0.062
Manifold
Plug
Ball, 0.125-dia, stainless
Screw, socket head cap, #10-32 x 1.25
107 966E
Issued 1/98
/ NPT
8
1
-16 x 0.750 x / NPT
4
1
/ NPT
4
Quantity Note
1
8
8
2
2 A
2 A
1 A
1 A
1 A
2
2
1
1
4
2 B
2
2
2
2
2 C, E
2 A, C, D, E
2 C
2 C, D, E
1
2
2
8
Continued on next page
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