U.S. Divers Impulse

20 Impulse Second Stage Service & Repair Manual
© 1997 U.S. Divers Co., Inc.
Second-Stage Regulators
Impulse
----- 1078-15 Impulse Second Stage w/out hose
1 ----- 1078-23 Box Top
2 ----- 1078-21 Purge Cover
3 ----- 1078-19 Retaining Ring
4 ----- 1078-18 Thrust Washer
5 ----- 1078-17 Diaphragm
6 ----- 1078-24 Box Bottom
7-----9570-25 O-ring
8 ----- 1005-35 Hose Assy, Pulsair, 1/2" x 28"
9-----8200-10 O-ring
10 ---- 1078-02 Hose Protector
11 ---- 1078-03 Hex Nut
12 ---- 1078-04 Spacer Bushing
13 ----8200-10 O-ring
14 ---- 1001-08 Vane Adjustment Switch
15 ---- 1094-38 Mouthpiece, Comfo-Bite
™
, Black
16 ---- 1049-13 Clamp, Black
17 ---- 1078-11 Exhaust Tee
Key # Part # Description Key # Part # Description
18 ---- 8601-37 C-clip
19 ----1078-22 Exhaust Valve
20 ----8200-10 O-ring
21 ---- 1078-05 Adjustable Crown
22 ----1078-06 O-ring
23 ---- 1078-45 Valve Body
24 ---- 1078-08 Retaining Pin
25 ---- 1078-09 Deflector Clip
26 ---- 1078-07 Lever
27 ----1078-12 Poppet/ LP Seat Assy
28 ---- 1001-34 Spring
29 ----1078-13 Washer
30 ----1078-14 O-ring
31 ----1078-16 O-ring
32 ---- 1078-42 Adjustment Knob Assy
Part numbers in BOLD ITALICS indicate standard overhaul
replacement part.
1
2
3
4
5
6
9
7
10
11
12
13
15
16
17
18
8
14
19
20
21
22a
22b
23
24
25
26
27
28
29
30
31
32