Simplicity 1600 Series User manual

Parts Manual
Rev. 10/2005
Broadmoor / 1600 / 2600
Series Lawn Tractors & Mower Decks
TP 400-4205-01-BM-SMA
Mf
g
. No. Descri
p
tion
1
8
HP Models
1694629 Broadmoor, 18HP Hydro RMO
1694630 Broadmoor, 18HP Hydro RMO
1694631 Broadmoor, 18HP Hydro RMO (CE)
1694683 Broadmoor, 18HP Hydro RMO (CE)
1694807 2618, 18HP Hydro RMO (CE)
1694844 2618H, 18HP Hydro RMO (CE)
2690273 Broadmoor, 18HP Hydro RMO and 44" Mower Deck
2690274 Broadmoor, 18HP Hydro RMO and 38" Mower Deck
2690276 Broadmoor, 18HP Hydro RMO and 44" Mower Deck (CE)
2690277 Broadmoor, 18HP Hydro RMO and 40" Mower Deck (CE)
2690399 2618, 18HP Hydro RMO and 40" Mower Deck (CE)
2690400 2618, 18HP Hydro RMO and 44" Mower Deck (CE)
2690407 Broadmoor, 18HP Hydro RMO TRACTOR ONLY
2690430 2618H, 18HP Hydro RMO and 40" Mower Deck (CE)
Mf
g
. No. Descri
p
tion
20HP Models
1694632 Broadmoor, 20HP Hydro RMO
1694633 1620H, 20HP Hydro RMO
1694634 1620H, 20HP Hydro RMO
1694635 2620H, 20HP Hydro RMO (CE)
1694636 2620H, 20HP Hydro RMO
1694682 Broadmoor, 20HP Hydro RMO
2690275 Broadmoor, 20HP Hydro RMO and 44" Mower Deck
2690278 Broadmoor, 20HP Hydro RMO and 50" Mower Deck
2690279 1620H, 20HP Hydro RMO and 44" Mower Deck
2690280 1620H, 20HP Hydro RMO and 50" Mower Deck
2690281 2620H, 20HP Hydro RMO and 44" Mower Deck
2690282 2620H, 20HP Hydro RMO and 50" Mower Deck
2690408 Broadmoor, 20HP Hydro RMO TRACTOR ONLY
2690424 2620H, 20HP Hydro RMO and 44" Mower Deck
Mf
g
. No. Descri
p
tion
Mower Decks
1694036 38" Mower Deck
1694042 38" Mower Deck
1694339 40" Mower Deck
1694340 40" Mower Deck
1694341 40" Mower Deck (CE)
1694821 40" Mower Deck (CE)
1694037 44" Mower Deck
1694043 44" Mower Deck
1694178 44" Mower Deck (CE)
1694822 44" Mower Deck (CE)
1694174 50" Mower Deck (CE)
1694473 50" Mower Deck
1694474 50" Mower Deck
1731173
Part No.:

Table Of Content
s
Torque Specification Chart ..................................................................... Inside Back Cover
PRODUCT COMPONENTS PAGES
Frame & Front Axle Group ................................................................................................................................... 4
Steering Group - Manual Steering ....................................................................................................................... 6
Engine & Electric Clutch Group - 16HP & 18HP Briggs & Stratton, Vanguard ................................................... 8
Engine & Electric Clutch Group - 18HP & 20HP Briggs & Stratton, Vanguard ................................................... 10
Engine Group - 18HP Kohler ............................................................................................................................... 12
Transmission Group - Tuff Torq K-57 .................................................................................................................. 14
Transmission SERVICE PARTS - Tuff Torq K-57A ............................................................................................. 16
Controls Group ..................................................................................................................................................... 20
Cruise Control Group ........................................................................................................................................... 22
Electrical Group .................................................................................................................................................... 24
Hood, Grille & Dash Group .................................................................................................................................. 26
Seat & Seat Deck Group ...................................................................................................................................... 28
Lift Group - Manual Lift ........................................................................................................................................ 30
Lift Group - Manual Lift ........................................................................................................................................ 32
Wheels & Tires Group .......................................................................................................................................... 34
Decals - Brand & Model ....................................................................................................................................... 36
Decals - Safety & Common .................................................................................................................................. 38
38" Mower Deck - Belt, Idler Arm & Hitch ............................................................................................................ 40
38" Mower Deck - Height Adjustment & Roller Bar ............................................................................................. 42
38" Mower Deck - Housing, Arbors & Blades ...................................................................................................... 46
40" Mower Deck - Belt, Idler Arm & Hitch ............................................................................................................ 48
40" Mower Deck - Height Adjustment & Roller Bar ............................................................................................. 50
40" Mower Deck - Housing, Arbors & Blades ...................................................................................................... 54
44" Mower Deck - Belt, Idler Arm & Hitch ............................................................................................................ 58
44" Mower Deck - Height Adjustment & Roller Bar ............................................................................................. 60
44" Mower Deck - Housing, Arbors & Blades ...................................................................................................... 64
44" Mower Deck - Housing, Arbors & Blades CE ................................................................................................ 66
50" Mower Deck - Clutch & Support .................................................................................................................... 70
50" Mower Deck - Height Adjustment & Roller Bar ............................................................................................. 72
50" Mower Deck - Height Adjustment & Roller Bar ............................................................................................. 76
50" Mower Deck - Housing, Arbors & Blades ...................................................................................................... 80
50" Mower Deck - Housing, Arbors & Blades ...................................................................................................... 82

Frame & Front Axle Group
NOTE: Unless noted otherwise,
use the standard hardware torque
specification chart.
Torque to
150 ft. lbs.
(202 Nm)
Torque to
22-40 ft. lbs.
(30-54 Nm)
Torque to
13 ft. lbs.
Service Kit
1686985
Torque to
50-57 ft. lbs.
(48-56 Nm)
Torque to
22-40 ft. lbs.
(30-54 Nm)
Torque to
55-60 ft. lbs.
(74-81 Nm)
12
18
21
13
18
14
17
16
20
31
36
33
23
22
34
37
32
1
7
5
9
2
8
46
3
10
2
1515
19
20
42
1
1
1
35
22
22
22
43
41
24
33
24
26
27
28
30
29
25
11
40
38
39
986681
The above parts group applies to the following Mfg. Nos.:
2005 4 © Copyright Simplicity Manufacturing, Inc. All Rights Reserved.
1694629 - Broadmoor
1694630 - Broadmoor
1694631 - Broadmoor
1694632 - Broadmoor
1694633 - 1620H
1694634 - 1620H
1694635 - 2620H
1694682 - Broadmoor
1694683 - Broadmoor
1694807 - 2618
1694844 - 2618H
TP 400-4205-01-BM-SMA

PART NO. DESCRIPTIONREF NO QTY.
Frame & Front Axle Group
Footnotes
1 1930645 7 NUT, Hex Flange Lock, 3/8-16
2 1960035 2 WASHER
3 2860646 1 NUT, Hex Flange, 5/8-11
4 1722212A 1 PLATE, Axle
5 1724081A 1 TOWER & SUPPORT ASSEMBLY
6 1923683 4 CAPSCREW, Hex Head Taptite, 3/8-16 x 3/4
7 1723528A 1 SUPPORT
8 1664847 4 CAPSCREW, Hex Head Taptite, 5/16-18 x 3/4
9 1726989A 1 FRAME ASSEMBLY
10 2860645 1 CAPSCREW, 5/8-11 x 3-1/2
11 1704314 2 FITTING, Grease for Wear Plate, 1/4-20, with Ball
12 1933260 4 CAPSCREW, Hex Head, Flange Lock, 3/8-16 x 3/4
13 1722541 1 LINK, Drag
14 1922755 1 WASHER
15 1960103 2 WASHER
16 1919262 1 NUT, Hex Jam, 1/2-20
17 1702779A 1 JOINT, Ball
18 1708236 1 SPACER
19 1931350 2 CARRIAGE BOLT, 3/8-16 x 1
20 1611705 2 SPACER
21 1722626A 1 ROD, Tie
22 1721682 6 BUSHING
23 1930650 2 NUT, Hex Flange Lock, 7/16-14
24 1704314 3 FITTING, Lube
25 1686985 1 SPINDLE REPLACEMENT KIT, LH (Includes Ref. Nos. 22, 26, 27, 28, 29 & 30)
26 2823485 1 CAPSCREW, 3/8-16 x 7/8, GR8
27 1663151 1 WASHER, Spring, 3/8
28 1725112 1 HUB & ARM ASSEMBLY
29 2830671 1 KEY, Woodruff
30 1724264 1 SPINDLE, LH
31 1722200A 1 AXLE ASSEMBLY, w/ LH Spindle, Complete (Includes Ref. Nos. 22, 24, 41, 42 & 43)
32 1931352 1 CARRIAGE BOLT, 3/8-16 x 1-1/2
33 1927531 2 CAPSCREW, Hex Head, 7/16-14 x 2, GR8
34 1721918A 1 HOOK, "J"
35 1721752 1 SPACER
36 1960086 4 SCREW, Torx Head, 5/16-18 x 7/8
37 1721805A 1 BUMPER, Black, Steel, Standard
37 1723502 1 BUMPER, Chrome, Optional
38 1930591 2 CAPSCREW, Hex Whiz Lock, 5/16-18 x 3/4
39 1724801A 1 PLATE, Axle Wear
40 1931277 2 NUT, Hex Falnge Whiz Lock, 5/16-18
41 1722199 1 SPINDLE, RH
42 1919394 1 WASHER
43 2832577 1 RETAINING RING
The above parts group applies to the following Mfg. Nos.:
2005 5 © Copyright Simplicity Manufacturing, Inc. All Rights Reserved.
1694629 - Broadmoor
1694630 - Broadmoor
1694631 - Broadmoor
1694632 - Broadmoor
1694633 - 1620H
1694634 - 1620H
1694635 - 2620H
1694682 - Broadmoor
1694683 - Broadmoor
1694807 - 2618
1694844 - 2618H
TP 400-4205-01-BM-SMA

Steering Group - Manual Steering
NOTE: Unless noted otherwise,
use the standard hardware torque
specification chart.
Torque to
36-44 ft. lbs.
or 48-60 Nm
Steering cap snaps
over steering wheel.
Use washers
as required.
Torque to
36-44 ft. lbs.
or 48-60 Nm
Bearing mounts below
frame. Slide pinion into
gear before tightening nuts.
18
21
14
7
11
10
13
15
12
1
6
19
2
20
4
8
3
17
5
6
5
9
16
5
15
985890
The above parts group applies to the following Mfg. Nos.:
2005 6 © Copyright Simplicity Manufacturing, Inc. All Rights Reserved.
1694629 - Broadmoor
1694630 - Broadmoor
1694631 - Broadmoor
1694632 - Broadmoor
1694633 - 1620H
1694634 - 1620H
1694635 - 2620H
1694636 - 2620H
1694682 - Broadmoor
1694683 - Broadmoor
1694807 - 2618
1694844 - 2618H
TP 400-4205-01-BM-SMA

PART NO. DESCRIPTIONREF NO QTY.
Steering Group - Manual Steering
Footnotes
1 1722318 1 STEERING WHEEL, Straight, Shaft
2 1722319 1 CAP, Steering Wheel, SMI Logo
2 1725024 1 CAP, Steering Wheel, Plain
3 1960540 1 PIN, Spring, 5/16 x 2-1/2
4 1722749 1 COVER, Rubber, Upper Steering Shaft
5 1960114 5 WASHER, 3/4
6 2176440 2 BUSHING, 15/32 x 7/8 x 7/8, Nylon
7 1960636 2 NUT, Hex KEPS 5/6-18
8 1721736A 1 PLATE, Mounting Steering
9 1933988 2 NUT, Push
10 1960655 2 CARRIAGE BOLT, 5/16-18 x 1-1/4
11 1724470A 1 GEAR & SHAFT ASSEMBLY, Steering
12 1960032 1 CAPSCREW, Hex Head, 3/8-16 x 1-1/4, Black
13 1930645 1 NUT, Hex Flange Two-Way Lock, 3/8-16
14 1664847 2 CAPSCREW, Hex Washer Head Taptite, 5/16-18 x 3/4
15 1721626 1 SHAFT & PINION ASSEMBLY, Steering Manual
16 1611710 1 RING, Clipring Extension
17 1722459 1 BEARING, 3/4 x 1-11/16 x 13/16, 3" Long Housing
18 1722461 1 SPACER, 3/4 x 1-1/16 x 3/8, Powder Metal
19 1931211 2 NUT, Hex Flange Whiz Lock, 3/8-16, Small
20 1933260 2 CAPSCREW, Hex Whiz Lock Flange, 3/8-16 x 3/4, Black
21 1919314 1 PIN, Cotter, 1-1/4, Black
The above parts group applies to the following Mfg. Nos.:
2005 7 © Copyright Simplicity Manufacturing, Inc. All Rights Reserved.
1694629 - Broadmoor
1694630 - Broadmoor
1694631 - Broadmoor
1694632 - Broadmoor
1694633 - 1620H
1694634 - 1620H
1694635 - 2620H
1694636 - 2620H
1694682 - Broadmoor
1694683 - Broadmoor
1694807 - 2618
1694844 - 2618H
TP 400-4205-01-BM-SMA

Engine & Electric Clutch Group - 16HP & 18HP Briggs & Stratton, Vanguard
NOTE: Unless noted otherwise,
use the standard hardware torque
specification chart.
Engine Manufacturer
Gasket & Hardware,
Torque to 18 ft. lbs.
(25 Nm)
Tie clutch wire
to keep away
from pulley.
Torque to
45-50 ft. lbs.
(61-68 Nm)
Torque to
24-36 ft. lbs.
(31-48 Nm)
Note:
Orientation
of All Keys
Tie cables to Left
Hand side of shield.
Position pulley
chamfer side up.
Install between Frame &
Ground cable on RH
rear engine capscrew.
15
12
17
10
16
14
11
13
18
24
23
19
25
21
20
1
5
9
2
4
6
3
7
8
22
11
23
27
30
29
31
10
28
22
26
32
26
7
19
986252
The above parts group applies to the following Mfg. Nos.:
2005 8 © Copyright Simplicity Manufacturing, Inc. All Rights Reserved.
1694630 - Broadmoor
1694683 - Broadmoor
1694807 - 2618
TP 400-4205-01-BM-SMA

PART NO. DESCRIPTIONREF NO QTY.
Engine & Electric Clutch Group - 16HP & 18HP Briggs & Stratton, Vanguard
Footnotes
1 1723165 1 HOSE, Oil Drain, 10-1/2" Long, 3/8-18 Fittings
2 * 1 ENGINE, 16HP Briggs & Stratton Vanguard Twin, Model 303777, Type 1114-E1
2 * 1 ENGINE, 18HP Briggs & Stratton Vanguard Twin, Model 356777, Type 0113-E1
3 1722950 1 SEAL, Circle, 16HP Only
3 1722949 1 SEAL, Circle, 18HP Only
4 1722388A 1 BULKHEAD
5 1925003 2 CAPSCREW, Hex Washer Head Taptite, 1/2-20 x 1/2, Black
6 1727223 1 CONTROL, Throttle Double 39" Long w/Knobs
7 1701011 2 TIE, Wire, 7-5/16" Long
8 2860112 2 CLAMP, Hose Type E
9 1718678 1 HOSE, Fuel, 59" Long
10 1722392A 2 SHIELD, Side
11 1929000 8 CAPSCREW, Hex Washer Head Taptite, 1/4-20 x 3/8
12 1722288 1 PULLEY & HUB ASSEMBLY
13 2832747 1 TIE, Self Locking, 3-5/8 Long
14 1708264 1 WASHER, Hex, 7/16, Black
15 1918199 1 LOCKWASHER, 7/16
16 1960648 1 CAPSCREW, Hex Head, 7/16-20 x 3-3/4
17 1686880 1 CLUTCH, Electric
18 1720463 1 KEY, HI PRO, 1/4 x 2 1/2
19 2830598 4 CAPSCREW, Hex Washer Head Taptite, 3/8-16 x 1-1/2
20 2820427 1 LOCKWASHER, External Tooth, 3/8
21 1722414A 1 SHIELD, Muffler Bottom
22 1960368 8 NUT, Speed, 1/4-20, Lug
23 1960295 4 CAPSCREW, Hex Flange Whiz Lock, 1/4-20 x 5/8
24 1935255 2 NUT, Speed, 5/16-18, Lug, Black
25 1722389A 1 DUCT, Muffler Top
26 2834683 2 CLIP, Wire 1/8
27 1722390A 1 DUCT, Muffler Extension
28 1924856 2 CAPSCREW, Hex Washer Head Taptite, 5/16-18 x 1/2, Black
29 1722625 1 MUFFLER, Briggs & Stratton, Vanguard Twin
30 * 1 GASKET, Briggs & Stratton, Vanguard Twin
31 1917356 4 LOCKWASHER, 5/16
32 2860660 4 CAPSCREW, Hex Flange Whiz Lock, 5/16-18 x 7/8
* See your local Briggs & Stratton distributor for parts and service.
The above parts group applies to the following Mfg. Nos.:
2005 9 © Copyright Simplicity Manufacturing, Inc. All Rights Reserved.
1694630 - Broadmoor
1694683 - Broadmoor
1694807 - 2618
TP 400-4205-01-BM-SMA

Engine & Electric Clutch Group - 18HP & 20HP Briggs & Stratton, Vanguard
NOTE: Unless noted otherwise,
use the standard hardware torque
specification chart.
Engine Manufacturer
Gasket & Hardware,
Torque to 18 ft. lbs.
(25 Nm)
Tie clutch wire
to keep away
from pulley.
Torque to
45-50 ft. lbs.
(61-68 Nm)
Torque to
24-36 ft. lbs.
(31-48 Nm)
Note:
Orientation
of All Keys
Tie cables to Left
Hand side of shield.
Position pulley
chamfer side up.
Install between Frame &
Ground cable on RH
rear engine capscrew.
Hand Tighten with
2 additional revolutions
with a wrench.
15
12
17
10
16
14
11
13
18
24
23
19
25
21
20
1
5
9
2
4
6
3
7
8
22
11
23
27
30
29
31
10
28
22
26
32
26
7
19
986773
The above parts group applies to the following Mfg. Nos.:
2005 10 © Copyright Simplicity Manufacturing, Inc. All Rights Reserved.
1694631 - Broadmoor
1694632 - Broadmoor
1694633 - 1620H
1694634 - 1620H
1694635 - 2620H
1694636 - 2620H
1694682 - Broadmoor
1694844 - 2618H
TP 400-4205-01-BM-SMA