Troy-Bilt 664D, 665B, E666M Tiller User Manual


 
Parts List 33
Models 664D & E666M
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
4 GW-20912 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
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
11 721-04044 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
REF. PART
No. No. DESCRIPTION QTY.
REF. PART
No. No. DESCRIPTION QTY.
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.
DRIVE SHAFT, INPUT PINION SHAFT and GEAR ASSEMBLIES