Parts List 31

Model 664D

DRIVE SHAFT, INPUT PINION SHAFT and GEAR ASSEMBLIES

REF.

PART

 

 

No.

No.

DESCRIPTION

QTY.

 

 

MAIN DRIVE SHAFT

 

1

GW-1714

Bearing, Tapered Roller with Race ....

1

2

GW-20718

Spur Gear

1

3

GW-9301

Key, 3/16 sq. x 1

1

4GW-11603 Main Drive Shaft (Drive shaft is one- piece with integral, single-lead, work-hardened front worm, and

 

 

integral, six-lead, work-hardened

 

 

 

rear worm. Also includes pressed-

 

 

 

on GW-1714 and GW-9301)

1

5

GW-1224-1

Shim, Rear Bearing Cap, .010" thick

 

 

 

(see Note below)

A/R

5

GW-1224-2

Shim, same as above, but .030" thick

 

 

 

(see Note)

A/R

5

GW-1224-3

Shim, same as above, but .005" thick

 

 

 

(see Note)

A/R

...

GW-1325C

Shim Set (Incl. two GW-1224-1; two

 

 

 

1224-2 and one GW-1224-3)

A/R

REF.

PART

 

 

No.

No.

DESCRIPTION

QTY.

 

 

 

 

INPUT PINION SHAFT & GEAR ASSEMBLY

 

6

GW-9572

Hex Hd. Screw, 5/16-24 x 1-1/8*

1

7

GW-9944

Washer, Disc Spring (concave

 

 

 

surface faces pulley)

1

8

1108841

Key, 3/16 sq. x 1-1/2

1

9

1916522

Transmission Drive Pulley

1

10

GW-1440

Support Washer

1

11

1983632

Oil Seal, Input Pinion Shaft

1

12

1113527

Retaining Ring (external)

1

13

GW-9953

Thrust Washer

2

14

GW-9428

Bushing

1

15

GW-9677

Set Screw, 5/16-18 x 3/8*

1

16

GW-20791

Input Pinion (steel shaft)

1

17

GW-20792

Input Pinion Gear

1

18

GW-9093

Retaining Ring (external) l

1

19

GW-20799

Pinion Assy. (Incl. one each Refs. 16,

 

 

 

17 and 18

A/R

20

GW-9517

Retaining Ring (internal)

1

NOTE: Shim between drive shaft rear bearing and rear bearing cap to achieve 5-to-10 thousandths of an inch (.005-.010) end play on drive shaft. A/R - As Required

* Specify GRADE 5 if ordering part locally.

Page 31
Image 31
Troy-Bilt 664D-Pony manual Drive SHAFT, Input Pinion Shaft and Gear Assemblies, Main Drive Shaft