Snapper YT Series Manuale utente

Parts Manual

Rev. 02/2003

YT Series

Lawn Tractors & Mower Decks

TP 400-3821-00-CQ-N

. No. Descri

tion

HP Tractors

1694368 YT1644, 16HP Hydro

. No. Descri

tion

HP Tractors

1694369 YT1850, 18HP Hydro

. No. Descri

tion

Mower Decks

1694371 44" Mower Deck

1694372 50" Mower Deck

Table Of Content

Torque Specification Chart ..................................................................... Inside Back Cover

TRACTOR / MOWER DECK COMPONENTS PAGES

Frame Group ......................................................................................................................... 2

Steering Group - Manual Steering ......................................................................................... 6

Engine & Electric Clutch Group - 16HP Briggs & Stratton, Vanguard ................................... 8

Transmission Group .............................................................................................................. 10

Transmission SERVICE PARTS - Tuff Torq K-66L ............................................................... 14

Lift Group - Manual Lift .......................................................................................................... 20

Controls Group ...................................................................................................................... 22

Cruise Control Group ............................................................................................................ 26

Electrical Group ..................................................................................................................... 28

Hood, Grill & Dash Group ...................................................................................................... 32

Seat & Seat Deck Group ....................................................................................................... 34

Wheels & Tires Group ...........................................................................................................36

Decals Group - Brand & Model .............................................................................................. 38

Decals Group - Safety & Common ........................................................................................ 40

44" & 50" Mower Deck - Clutch & Support ............................................................................ 42

44" & 50" Mower Decks - Housing, Arbors & Blades ............................................................. 44

44" Mower Deck - Height Adjustment & Roller Bar ............................................................... 48

50" Mower Deck - Height Adjustment & Roller Bar ............................................................... 52

Frame Group

NOTE: Unless noted otherwise,

use the standard hardware torque

specification chart.

Torque to

150 ft. lbs.

(202 Nm)

Torque to

150 ft. lbs.

(202 Nm)

Torque to

22-40 ft. lbs.

(30-54 Nm)

Service Kit

1686985

Torque to

55-60 ft. lbs.

(74-81 Nm)

1411

1718

985881

The above parts group applies to the following Mfg. Nos.:

2003 2

1694368 - YT1644

1694369 - YT1850

TP 400-3821-00-CQ-N

PART NO. DESCRIPTIONREF NO. QTY.

Frame Group

Footnotes

1 1721748 1 TOWER & SUPPORT ASSEMBLY

2 1923683 4 CAPSCREW, Hex Washer Head Taptite, 3/8-16 x 3/4

3 1960541 4 CAPSCREW, Hex Washer Head Taptite, 5/16-18 x 3/4

4 1723528 1 SUPPORT, Seat Deck

5 1928352 2 NUT, Hex Flange 3/8-16 Whiz Lock, Large

6 1930644 2 NUT, Hex Flange Two-Way Lock, 1/2-13

7 1722602 1 BACKPLATE,

8 1923114 2 CAPSCREW, Hex Head 1/2-13 x 1, Black

9 1921210 2 CAPSCREW, Hex Head 3/8-16 x 1, Black

10 1721572 1 FRAME ASSEMBLY, Front & Rear

11 1930645 7 NUT, Hex Flange Two-Way Lock, 3/8-16

12 1922755 1 WASHER, 3/8, Black

13 1960103 2 WASHER, 3/8, Black

14 1722541 1 LINK, Drag

15 1919262 1 NUT, Hex Jam 1/2-20

16 1702779 1 JOINT, Ball

17 1708236 1 SPACER, 3/8 x 1/2 x 5/8

18 1931350 2 CARRIAGE BOLT, 3/8-16 x 1

19 1722626 1 ROD, Tie

20 1611705 2 SPACER, 25/64 x 5/8 x 5/16, Powder Metal

21 1721682 6 BUSHING, 31/32 x 1-1/4 x 3/4, Powder Metal

22 1930650 2 NUT, Hex Flange Two-Way Lock, 7/16-14

23 1722200 1 AXLE ASSEMBLY w/LH Spindle, (Includes Ref. Nos, 21, 35, 36, 37 & 43)

24 1931352 1 CARRIAGE BOLT, 3/8-16 x 1-1/2

25 1721752 1 SPACER, 11/16 x 21/32 x 2 3/32

26 1927531 2 CAPSCREW, Hex Head, 7/16-14 x 2 G8

27 1721918 1 HOOK, "J"

28 960645 1 CAPSCREW, Hex Head, 5/8-11 x 3-1/2

29 1960035 2 WASHER, 5/8

30 1933260 4 CAPSCREW, Hex Flange Whiz Lock, 3/8-16 x 3/4

31 1721805 1 BUMPER, Black

31 1723502 1 BUMPER, Chrome

32 1960086 4 SCREW, Truss Head Torque Drive, 5/16-18 x 7/8

33 960646 1 NUT, Hex Flange Two-Way Lock, 5/8-11

34 1722212 1 PLATE

35 1919394 1 WASHER, 1

36 932577 1 RETIANING RING

37 1722199 1 SPINDLE, RH

38 923485 1 CAPSCREW, 3/8-16 x 7/8, GR8

39 1663151 1 LOCKWASHER, 3/8

The above parts group applies to the following Mfg. Nos.:

2003 3

1694368 - YT1644

1694369 - YT1850

TP 400-3821-00-CQ-N

Frame Group

NOTE: Unless noted otherwise,

use the standard hardware torque

specification chart.

Torque to

150 ft. lbs.

(202 Nm)

Torque to

150 ft. lbs.

(202 Nm)

Torque to

22-40 ft. lbs.

(30-54 Nm)

Service Kit

1686985

Torque to

55-60 ft. lbs.

(74-81 Nm)

1411

1718

985881

The above parts group applies to the following Mfg. Nos.:

2003 4

1694368 - YT1644

1694369 - YT1850

TP 400-3821-00-CQ-N

PART NO. DESCRIPTIONREF NO. QTY.

Frame Group

Footnotes

40 1725112 1 HUB & ARM ASSEMBLY

41 930671 1 KEY, WOodruff

42 1724264 1 SPINDLE, LH

43 1704314 3 FITTING, Lube

The above parts group applies to the following Mfg. Nos.:

2003 5

1694368 - YT1644

1694369 - YT1850

TP 400-3821-00-CQ-N

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 on

steering shaft into gear

before tightening nuts.

986283

The above parts group applies to the following Mfg. Nos.:

2003 6

1694368 - YT1644

1694369 - YT1850

TP 400-3821-00-CQ-N

PART NO. DESCRIPTIONREF NO. QTY.

Steering Group - Manual Steering

Footnotes

1 1722318 1 STEERING WHEEL, Straight, Shaft

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 176440 2 BUSHING, 15/32 x 7/8 x 7/8, Nylon

7 928372 2 NUT, Hex KEPS 1/4-20

8 1721736 1 PLATE, Mounting Steering

9 1960518 2 NUT, Push

10 1931317 2 CARRIAGE BOLT, 1/4-20 x 3/4

11 1722385 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.:

2003 7

1694368 - YT1644

1694369 - YT1850

TP 400-3821-00-CQ-N

Engine & Electric Clutch Group - 16HP Briggs & Stratton, Vanguard

NOTE: Unless noted otherwise,

use the standard hardware torque

specification chart.

Engine manufactures

gasket & hardware.

Torque to 18 ft. lbs.

(25 Nm)

Tie clutch wire

to spring away

from pulley.

Torque to

45-50 ft. lbs.

(61-68 Nm)

Torque to

19-23 ft. lbs.

(26-31 Nm)

Note:

Orentation

of All Keys

B&S Vandguard Twin:

Tie cables to Left

Hand side of shield.

Engine Ground

Wire

Position pulley

chamfer side up.

985902

The above parts group applies to the following Mfg. Nos.:

2003 8

1694368 - YT1644

1694369 - YT1850

TP 400-3821-00-CQ-N

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