The Company, L.L.C. Oklahoma City, Oklahoma Tel: (405) 672-6660 Fax: (405) 672-6661
wellmarkco.com
© The WellMark Company • Litho USA • All registered trademarks are the property of their respective owners. • IOM-2001NB 091007
6
2001NB
Series
Item Description Qty. Part Number
25 TRU-ARC RING 1 06000-1385
26 FULCRUM, Aluminum 1 05011-4412
27 THUMBSCREW, SS/Plastic 1 06500-5429
28 NYLOC NUT, SS 2 05000-2567
29 ACORN NUT, SS 1 05000-2575
30 DISPLACER ARM - STD., SS 1 06000-1534
30 DISPLACER ARM - VF, SS 1 05011-9296
31 DISPLACER BUSHING, SS 1 06000-5105
32 DISPLACER - STD., PVC 1 05012-3561
33 HINGE PIN, Plated CS 2 06000-7537
34 GASKET, Neoprene 1 06000-4819
35 CAPSCREW, SS 4 05000-5313
36 PILOT CLAMP, SS 1 05012-6325
37 PANEL SCREW, SS 1 06000-1153
38 RETAINER, SS 1 06000-2672
39 SERIAL TAG, Aluminum (not shown) 1 06000-1922
40 THREAD SEAL, Steel/Buna N 1 06000-0395
41 O-RING, Viton® 1 05000-5586
42 BEARING, SS 2 06000-7552
43 TOLERANCE RING, SS 2 06000-7560
44 ADAPTER, VERT. DWN ASSY., SS 1 06500-4350
45 COVER GLASS, Lexan® (not shown) 2 10916
46 COVER GLASS PLATE, SS (not shown) 2 10915
47 COVER GLASS GSKT, Neoprene (not shown) 2 10917
48 SCREW, Plated Steel (not shown) 8 001501P
Item Description Qty. Part Number
1 CONTROL BOX, Die Cast Aluminum 1 05012-4841
2 COVER, Die Cast Aluminum 1 05012-4834
3 BOX SEAL, Neoprene 1 06000-5097
4 SNAP PILOT ASSY., Aluminum & SS 1 06500-5304
4 THROTTLE PILOT ASSY., Aluminum & SS 1 06500-5387
5 BODY, CS 1 05011-4560
6 PIVOT SHAFT, SS 1 05011-4511
7 O-RING, Viton® 2 05000-0769
8 BACK-UP RING, Teflon® 2 06000-1179
9 SHAFT RETAINER, SS 2 05012-9389
10 O-RING, Viton® 2 05000-1155
11 SPACER, SS 1 05011-4495
12 CAPSCREW, SS 2 05000-5578
13 CAPSCREW, SS 1 05000-5453
14 ADJUSTING BAR, Aluminum 1 05011-4438
15 CAPSCREW, SS 2 05000-2526
16 TORQUE BAR, Aluminum 1 05011-4545
17 ADJUSTING SCREW, SS 1 05011-4537
18 JAM NUT, SS 1 05000-2559
19 STUD, SS 1 05011-4552
20 ADJUSTMENT WHEEL, Aluminum 1 05011-4529
21 SPRING, SS 1 06000-4157
22 UPPER GUIDE, Aluminum 1 05011-4479
23 STUD, FLAPPER BAR, SS 2 05012-9371
24 FLAPPER BAR, SS 1 05011-4404
The Bearings (42) and Tolerance Rings (43) need not be removed
from the Shaft Retainers unless they are damaged and must be
replaced.
Parts List
BACK-UP RING (8)
SHAFT RETAINER (9)
O-RING (7)
Body Reassembly
Lightly lubricate new O-Rings and Back-
Up Rings with oil. Install Pivot Shaft
Back-Up Ring into Shaft Retainers first,
with O-Ring next. IMPORTANT! The
Back-Up Ring MUST be outboard of
the O-Ring,as illustrated.
Thread the Shaft Retainer into the Body.
Insert the Pivot Shaft into the Body from the inboard side, seating it
firmly into the Bearing in the Shaft Retainer on the side
Re-install the remaining Shaft Retainer over the Pivot Shaft and
threaded into the side of the Body. Tighten both Shaft
Retainers firmly.
Re-attach the assembled Body to the Control Box as described in the
section.
outboard
outboard
inboard
General Reassembly
SUPPLY
OUTPUT
030
255
10
15
20
030
255
10
15
20
35
36
2
23
38
37
16
12
14
18
17
33
40
13 15 29 19
20
21
22
26
23 30 31 32
44
34
41
5
39
10
8
42
43
9
11
6
7
3
24
27
25
1
4
28
Vertical Displacer
Assembly
Horizontal Displacer
Assembly
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