NuStep TRS 4000 Parts List 1.6
Note: Most parts are available individually, but to simplify installation, ASSEMBLIES (in CAPS) only come fully
assembled. Items noted as (not shown) were replaced with current revision parts and are available as service parts, but are
not shown in the Figures.
Item Qty
PN#
Part Description
1
1
4085B
ARM-UPPER L S/N >=412392
(not shown)
na
ARM-UPPER L S/N 411092-412391
(not shown)
na
ARM-UPPER L S/N 411001-411091
2
1
4086B
ARM-UPPER R S/N >=412392
(not shown)
na
ARM-UPPER R S/N 411092-412391
(not shown)
na
ARM-UPPER R S/N 411001-411091
3
2
4087
ARM LOCK EXTRUSION
4
1
4081A
ARM ASSY L S/N >= 412137
(not shown)
4081
ARM ASSY L S/N 411001-412136
5
1
4080A
ARM ASSY R S/N >= 412137
(not shown)
4080
ARM ASSY R S/N 411001-412136
6
1
40128
Axle
7
3
41002
Bearing - EC Disk, Roller
8
8
41004
Bearing - Pivot & Footpedal, Polymer
9
2
41208
Bearing - Pivot Casting, Polymer
10
4
41006
Bearing - Shafts, Roller
11
9
41008
Bearing - Timing Sprocket, Thrust
12
1
41462
Belt - Poly-V J6 Flex >=428326
(not shown)
41010
Belt - Poly-V S/N <=428325
13
1
41014
Belt - Timing Left
14
1
41012
Belt - Timing Right
15
1
40322
Belt Clamp - Left
16
1
40320
Belt Clamp - Right
19
2
41016
Belt Idler Pulley
20
10
41018
BHCS G8 1/4"-20x1-1/4
21
1
40156
Boot - Display
22
1
40148
Boot - Electronic Tube
23
2
40210
Boot - Pivot Casting
24
2
4091
BRACKET ASSY - ANGLE COVER
25
2
4093
BRACKET ASSY - SIDE COVER
26
1
41024
Bumper - Footpedal Stop
27
2
41028
Bumper - Large
28
4
41030
Bumper - Seat Rail
29
5
41026
Bumper - Small
31
1
41184
Cable - Ribbon
32
2
41036
Cap - Frame Crosstube
33
2
41038
Cap - Lower Arm
34
1
40552
Cap - Seat Rail
36
12
30267
Clamp - Ribbon Cable
37
1
4076
CONNECTING LINK ASSY-SERVICE KIT
38
1
4090
COVER ASSY - L
39
1
4092
COVER ASSY - R
40
1
4094
COVER ASSY - TOP
41
1
40154A
Battery Access Panel S/N>=421388
(not shown)
40154
Battery Access Panel S/N<=421387
42
1
40150
Display - Bracket Assembly
43
1
4800
DISPLAY ASSY REV 2.1
44
1
40132
EC Ball Detent Plate
45
1
41046
EC Ball Plunger
46
1
4041A
EC DISK ASSY S/N >= 411115
(not shown)
4041
EC DISK ASSY S/N 411001-411114
20
Item Qty
PN#
Part Description
47
1
4042A
EC MAGNET ASSY S/N >= 412485
(not shown)
na
EC MAG ASSY S/N 411001-412484
(not shown)
na
EC Mag Bracket S/N 411001-412484
49
1
40424
EC Magnet Slide Bracket
50
1
4043A
EC PLUNGER PLATE ASSY S/N >=421096
(not shown)
4043
EC PLUNGER PLATE ASSY S/N <=421095
51
1
41050
EC Shoulder Pivot
52
1
40140
Electronic Tube
53
1
41254
FHPS 1/4"-20x7/8
54
4
41052
FHPS 1/4"-20x3/4 Black
55
2
41056
Foam Grip - Upper Arm
56
1
4083A
FOOTPEDAL - L S/N >=413368
(not shown)
na
FOOTPEDAL - L S/N 411001-413367
57
1
4084A
FOOTPEDAL - R S/N >=413368
(not shown)
na
FOOTPEDAL - R S/N 411001-413367
59
1
41214
HHCS G5 1/4"-20x1
60
4
41066
HHCS G5 1/4"-20x3/8
62
2
41210
HHCS G5 3/8"-16x1-3/4 Black
63
1
41068
HHCS G5 3/8"-16x2-1/4
64
1
41202
HHCS G5 3/8"-16x3-3/4
65
6
41234
HHCS G5 5/16"-18x1/2 Black
66
4
41218
HHCS G5 5/16"-18x1-3/4
67
8
41062
HHCS G5 5/16"-18x3/4
68
10
30104
HHCS G5 5/16"-18x5/8
69
1
41256
Insulator board
70
2
41549
Knob - Arm Lock (Green) S/N >=432503
(not shown)
41573B
Knob - Arm Lock (Black) S/N <=432502
71
1
41551
Knob - Load Lever (Green)
(not shown)
na
Knob - Load Lever (Black)
72
1
41076
Label - Seat Position Indicator
73
2
41180
Label - NuStep Logo
74
2
41078
Leveler Foot
75
1
4044
LOAD LEVER ASSEMBLY
76
4
41082
Locknut NI G5 #10-24
77
1
41260
Locknut NI G5 1/2"-13
78
12
41222
Locknut NI G5 1/4"-20 Black
80
2
30157
Locknut NI G5 3/8"-16
81
2
41216
Locknut NI G5 3/8"-16 Black
82
16
30106
Locknut NI G5 5/16"-18
83
10
30109
Lockwasher - Split 5/16"
84
6
41220
Lockwasher - Split 5/16" Black
85
1
41088
Machine Key 1/4x1/4x1-1/2"
86
2
40236
Machine Key 3/16x3/16x2-1/2"
88
1
4100A
MAIN FRAME ASSY S/N>=413368
(not shown)
4100
M FRAME ASSY S/N411001-413367
89
2
30564
Nut - Serrated Flange G5 5/16"-18
91
2
41477
Clip Bearing - 3/4"
92
4
41476
Clip Bearing - 3/8"
93
5
41474
Clip bearing - 5/16"x3/8"
94
1
4108
PCBOARD ASSEMBLY – WORKLOAD
95
2
30162
PHPS T/S Typ B #8x3/8" Black
96
2
41246
PHPS Typ F #10-24x3/8 Black
97
7
41100
PHPS w/ext washer #10-24x3/8 Blk
Need help?
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Questions and answers
We have a new nustep but I’m finding the arm movement isn’t smooth it’s jerky and hurts my shoulders