Simplicity 2373 Setup guide

Rev. 10/2001
TP 400-2373-01-AT-SMA
Attachment
Illustrated
Parts List
© Copyright 2001 Simplicity Manufacturing, Inc.All Rights Reserved.
MANUFACTURING, INC.
500 N Spring Street / PO Box 997
Port Washington, WI 53074-0997 USA
ATTACHMENT
Mfg. No. Description
1691978 36” Tiller
1693578 36” Tiller

2
TP 400-2373-01-AT-SMA
© Copyright 2001 Simplicity Manufacturing, Inc. All Rights Reserved.
36” Tine & Deflector Group
NOTE: Unless noted otherwise,
use the standard hardware torque
specification chart.
984363
The above parts group applies to the following Mfg. Nos.:
1691978 36” Tiller
1693578 36” Tiller

3
TP 400-2373-01-AT-SMA
36” Tine & Deflector Group
1 1707990 1 PLATE, End, R.H.
2 1927557 15 LOCKNUT, Flange, 5/16-18
3 1931332 8 CARRIAGE BOLT, 5/16-18 x 5/8
4 105369 1 DEFLECTOR ASSEMBLY, R.H.
5 1679700 2 DECAL, Safety
6 105354 1 SHIELD
7 1930642 1 NUT, Hex Head, Flange, 1/4-20
8 1707938 1 CHANNEL
9 1921210 2 CAPSCREW, Hex Head, 3/8-16 x 1
10 1960353 2 WASHER
11 1930645 2 NUT, Hex, Flange, 3/8-16
12 105337 4 KEY
13 1933260 2 SCREW, Hex, Whizlock, 3/8-16 x 3/4
14 1707991 1 PLATE, End, L.H.
15 105370 1 DEFLECTOR ASSEMBLY, L.H.
16 1934654 4 CAPSCREW, Hex, Whizlock, 3/8-16 x 1
17 1928867 16 LOCKNUT, 7/16-20
18 105376 8 BLADE, Tine, R.H.
19 105375 8 BLADE, Tine, L.H.
20 1651504 2 HUB & PLATE ASSEMBLY
21 1920353 16 CAPSCREW, Hex Head, 7/16-20 x 1-1/2
22 105249 2 PIN
23 1918451 2 PIN, Cotter
24 1650461 1 BLADE ASSEMBLY, L.H.
25 1650460 1 BLADE ASSEMBLY, R.H.
26 1707945 1 DEFLECTOR
27 1707939 1 ROD
28 1918448 1 PIN, Cotter
29 1707951 1 CHAIN
30 1924009 1 CAPSCREW, Hex Head, 1/4-20 x 7/8
REF NO. PART NO. QTY. DESCRIPTION
Footnotes:
The above parts group applies to the following Mfg. Nos.:
1691978 36” Tiller
1693578 36” Tiller

4
TP 400-2373-01-AT-SMA
© Copyright 2001 Simplicity Manufacturing, Inc. All Rights Reserved.
36” Housing Group
NOTE: Unless noted otherwise,
use the standard hardware torque
specification chart.
984364
The above parts group applies to the following Mfg. Nos.:
1691978 36” Tiller
1693578 36” Tiller
15
16

5
TP 400-2373-01-AT-SMA
1 105336 2 CHAIN, # 40
2 178174 1 CHAIN, # 50
3 1650841 1 TRANSMISSION SUB ASSEMBLY (Incl. Ref. Nos. 1-16, 18-38 on this page)
& Incls. Ref. Nos. 1-5,7,11,17,18,19,34,36 & 38 in the 36” Tiller Drive Group)
4 915019 2 FITTING, Grease
5 105132 2 BOLT, Hex Head, Drilled & Tapped
6 1916966 4 LOCKWASHER, 1/2
7 105320 2 BAR, Side
8 1917372 4 NUT, Hex, 5/16-1
9 1917356 4 LOCKWASHER, 5/16
10 1669337 2 BEARING
11 1923362 13 LOCKNUT, 5/16-18
12 105366 1 CASE ASSEMBLY, Half, R.H.
13 105365 2 SEAL
14 1669338 2 PLATE ASSEMBLY, Upper Bearing
15 927320 4 RING, Retaining
16 960208 4 WASHER, 1
17 105195 4 BEARING, Roller
18 105192 1 SPACER, Inter.
19 105298 1 SHAFT ASSEMBLY, Pulley
20 1650975 1 SPROCKET & BEARING ASSEMBLY, (Incl. Ref. Nos. 17 & 21)
21 * 1 SPROCKET ASSEMBLY, (See Ref. No. 20)
22 105360 2 SPACER
23 178177 1 SHAFT ASSEMBLY, Tine
24 * 1 SPROCKET (See Ref. No. 25)
25 1650976 1 SPROCKET & BEARING ASSEMBLY, (Incl. Ref. Nos. 17 & 24)
26 105292 1 SPACER, Internal
27 1930651 6 LOCKNUT, Hex, Jam, 3/8-16
28 1669298 2 PLATE ASSEMBLY
29 105357 2 SEAL
30 105309 2 BEARING
31 105363 2 CAP, Grease
32 1930644 2 LOCKNUT, Flange, 1/2-13
33 105367 1 CASE ASSEMBLY, Half, L.H.
34 1925205 13 CAPSCREW, Hex Head, 5/16-18 x 5/8
35 1918431 1 WASHER, 1/2
36 1926158 1 CAPSCREW, Hex Head, 1/2-13 x 4
37 1929528 2 CAPSCREW, Hex Head, 1/2-20 x 1
38 105373 1 GASKET
39 1921977 1 CAPSCREW, Hex Head, 5/16-1 8 x 1-1 /4
40 1924940 2 WASHER, 3/8
41 1935048 2 LOCKNUT, Flange, 5/16-18
42 1707985 1 HOOK, “S”
REF NO. PART NO. QTY. DESCRIPTION
Footnotes:
* Not a servicable part.
The above parts group applies to the following Mfg. Nos.:
1691978 36” Tiller
1693578 36” Tiller
36” Housing Group

6
TP 400-2373-01-AT-SMA
© Copyright 2001 Simplicity Manufacturing, Inc. All Rights Reserved.
36” Drive Group
NOTE: Unless noted otherwise,
use the standard hardware torque
specification chart.
984262
The above parts group applies to the following Mfg. Nos.:
1691978 36” Tiller
1693578 36” Tiller

7
TP 400-2373-01-AT-SMA
36” Drive Group
1 923471 1 CAPSCREW, Hex Head, 7/16-14 x 1-1/4
2 1925125 2 WASHER, 3/8
3 105346 2 SPACER
4 1930650 2 LOCKNUT, Flange, 7/16-14
5 105359 2 SUPPORT
6 105339 1 SPACER
7 1707593 1 SPRING, Torsion
8 1923141 1 CAPSCREW, Hex Head, 5/16-18 x 2-3/4
9 1704716 2 SPACER
10 960171 1 WASHER, Nylon
11 1666106 1 BUSHING
12 1919326 1 WASHER, 5/16
13 176012 5 RETAINER PIN
14 1917356 1 LOCKWASHER, 5/16
15 1707564 1 GUARD, Belt
16 1917372 1 NUT, Hex, 5/16-18
17 1657562 1 ROD, Pivot
18 1930585 1 CAPSCREW, Hex Head, 7/16-14 x 3-1/2
19 916950 6 NUT, Hex, 3/8-16
20 916965 7 LOCKWASHER, 3/8
21 1924940 10 WASHER, 3/8
22 1708298 1 PIN
23 1708961 1 ARM SUPPORT ASSEMBLY
24 1923362 1 NUT, Hex, Centerlock, 5/16-18
25 1669999 1 SPACER
26 1708352 1 GUARD, Spring
27 157427 1 KEY
28 1960474 1 SETSCREW, 3/8-16 x 1/2
29 1706342 1 PULLEY
30 1721133 1 PULLEY, Idler
31 1706511 2 PULLEY, Idler
32 1921973 1 CAPSCREW, Hex Head, 3/8-16 x 2-3/4
33 1921971 2 CAPSCREW, Hex Head, 3/8-16 x 1-3/4
34 1706510 1 PULLEY, Idler
35 1920415 1 CAPSCREW, Hex Head, 3/8-16 x 1-1/4
36 1706512 1 V-BELT
37 1921210 2 CAPSCREW, Hex Head, 3/8-16 x 1
38 1707265 1 ANCHOR, Jackshaft
39 1960033 1 CLIP
40 1706344 1 ANCHOR ASSEMBLY
41 1960116 1 PIN
42 1921333 1 CAPSCREW, Hex Head, 5/16-18 x 1
43 1706362 1 PULLEY ASSEMBLY
44 1960160 4 WASHER, 3/4
45 1611789 2 SEAL
REF NO. PART NO. QTY. DESCRIPTION
Footnotes: Item 31 only used with gear models.
The above parts group applies to the following Mfg. Nos.:
1691978 36” Tiller
1693578 36” Tiller

8
TP 400-2373-01-AT-SMA
© Copyright 2001 Simplicity Manufacturing, Inc. All Rights Reserved.
36” Drive Group
NOTE: Unless noted otherwise,
use the standard hardware torque
specification chart.
984262
The above parts group applies to the following Mfg. Nos.:
1691978 36” Tiller
1693578 36” Tiller

9
TP 400-2373-01-AT-SMA
36” Drive Group
46 171186 2 BEARING
47 1708180 1 CLEVIS ASSEMBLY, w/Bearings (incl. Ref. Nos. 48 & 46)
48 * 1 CLEVIS ASSEMBLY, (See Ref. No. 47)
49 912808 1 FITTING, Lube
50 159159 1 SPRING, Extension
51 1960251 2 NUT, Hex, Centerlock, 3/8-16
52 1706508 1 ARM ASSEMBLY, Idler
53 1657712 1 PULLEY, Idler
54 1923701 1 CAPSCREW, Hex Head, 3/8-16 x 2
55 1700059 1 V-BELT
56 960403 1 KEY
57 1928721 1 SETSCREW, 5/16-18
58 1706343 1 PULLEY ASSEMBLY
59 155037 2 PIN
60 1651844 1 FRAME ASSEMBLY
61 1926159 1 CAPSCREW, Hex Head, 1/2-13 x 5
62 105386 2 SPACER
63 1924361 4 WASHER, 1/2
64 1930644 1 LOCKNUT, 1/2-13
65 1707599 1 ANCHOR, Spring
66 105295 1 LEVER ASSEMBLY, Clutch
67 118053 1 PIN
68 1707569 1 LIFT ASSEMBLY
REF NO. PART NO. QTY. DESCRIPTION
Footnotes:
* Not a servicable part.
The above parts group applies to the following Mfg. Nos.:
1691978 36” Tiller
1693578 36” Tiller

Torque Specification Chart
FOR STANDARD MACHINE HARDWARE (Tolerance ± 20%)
Hardware
Grade
SAE Grade 2 SAE Grade 5 SAE Grade 8
Size Of in/lbs in/lbs in/lbs
Hardware ft/lbs Nm. ft/lbs Nm. ft/lbs Nm.
8-32 19 2.1 30 3.4 41 4.6
8-36 20 2.3 31 3.5 43 4.9
10-24 27 3.1 43 4.9 60 6.8
10-32 31 3.5 49 5.5 68 7.7
1/4-20 66 7.6 810.9 12 16.3
1/4-28 76 8.6 10 13.6 14 19.0
5/16-18 11 15.0 17 23.1 25 34.0
5/16-24 12 16.3 19 25.8 27 34.0
3/8-16 20 27.2 30 40.8 45 61.2
3/8-24 23 31.3 35 47.6 50 68.0
7/16-14 30 40.8 50 68.0 70 95.2
7/16-20 35 47.6 55 74.8 80 108.8
1/2-13 50 68.0 75 102.0 110 149.6
1/2-20 55 74.8 90 122.4 120 163.2
9/16-12 65 88.4 110 149.6 150 204.0
9/16-18 75 102.0 120 163.2 170 231.2
5/8-11 90 122.4 150 204.0 220 299.2
5/8-18 100 136 180 244.8 240 326.4
3/4-10 160 217.6 260 353.6 386 525.0
3/4-16 180 244.8 300 408.0 420 571.2
7/8-9 140 190.4 400 544.0 600 816.0
7/8-14 155 210.8 440 598.4 660 897.6
1-8 220 299.2 580 788.8 900 1,244.0
1-12 240 326.4 640 870.4 1,000 1,360.0
Hex Head Capscrew
Hex Nut
Lockwasher
Washer
Carriage Bolt
NOTES
1. These torque values are to be used for all hardware
excluding: locknuts, self-tapping screws, thread forming
screws, sheet metal screws and socket head setscrews.
2. Recommended seating torque values for locknuts:
a. for prevailing torque locknuts - use 65% of grade 5
torques.
b. for flange whizlock nuts and screws - use 135% of
grade 5 torques.
3. Unless otherwise noted on assembly drawings, all torque
values must meet this specification.
Hardware Identification & Torque Specifications
Common Hardware Types
Screw, 1/2 x 2
Body
Diameter
Body
Length
Inside
Diameter
Nut, 1/2”
No
Marks
3/8” Bolt or Nut
Wrench—9/16”
3/8
5/16” Bolt or Nut
Wrench—1/2”
5/16
1/4” Bolt or Nut
Wrench—7/16”
1/4
1/2” Bolt or Nut
Wrench—3/4”
1/2
DIA.
7/16
DIA.
7/16” Bolt or Nut
Wrench (Bolt)—5/8”
Wrench (Nut)—11/16”
Wrench & Fastener Size Guide
Standard Hardware Sizing
When a washer or nut is identified as 1/2”, this is the
Nominal size , meaning the inside diameter is 1/2 inch; if a
second number is present it represent the
threads per inch
When bolt or capscrew is identified as 1/2 - 16 x 2”, this
means the
Nominal size , or body diameter is 1/2 inch; the
second number represents the
threads per inch (16 in this
example, and the final number is the
body length of the
bolt or screw (in this example 2 inches long).
The guides and ruler furnished below are designed to
help you select the appropriate hardware and tools.
01/4 3/4
1/2 11/4 3/4
1/2 21/4 3/4
1/2 31/4 3/4
1/2 4