Troy-Bilt 663B­ —Pony Operator's Manual page 33

For Parts Call 606-678-9623 or 606-561-4983 For Parts Call 606-678-9623 or 606-561-4983
Models 663B, 663E, 665B & E663E
REF. pART
No. No. DESCRIpTIoN
mAIN DRIvE SHAFT
1 GW-1714 Bearing, Tapered Roller with Race ....
2 GW-20718 Spur Gear ..........................................
3 GW-9301 Key, 3/16 sq. x 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) ..........
5 GW-1224-1 Shim, Rear Bearing Cap, .010" thick
(see Note below) ...........................
5 GW-1224-2 Shim, same as above, but .030" thick
(see Note) .....................................
5 GW-1224-3 Shim, same as above, but .005" thick
(see Note) .....................................
... GW-1325C Shim Set (Incl. two GW-1224-1; two
1224-2 and one GW-1224-3) ........
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
QTy.
1
1
1
1
A/R
A/R
A/R
A/R
www.mymowerparts.com www.mymowerparts.com
REF. pART
No. No. DESCRIpTIoN
INpUT pINIoN SHAFT & GEAR ASSEmBLy
6 710-04458 Hex Hd. Screw, 5/16-24 x 1-1/8* ......
7 736-04193 Washer, Disc Spring (concave
surface faces pulley) .....................
8 714-04042 Key, 3/16 sq. x 1-1/2 .........................
9 1916522 Transmission Drive Pulley .................
10 736-04079 Support Washer ................................
11 721-04044 Oil Seal, Input Pinion Shaft ...............
12 1113527 Retaining Ring (external) .................
13 GW-9953 Thrust Washer ..................................
14 GW-9428 Bushing .............................................
15 GW-9677 Set Screw, 5/16-18 x 3/8* .................
16 GW-20791 Input Pinion (steel shaft) ...................
17 GW-20792 Input Pinion Gear ..............................
18 GW-9093 Retaining Ring (external) l ................
19 GW-20799 Pinion Assy. (Incl. one each Refs. 16,
17 and 18 ......................................
20 GW-9517 Retaining Ring (internal) ..................

Parts List
QTy.
1
1
1
1
1
1
1
2
1
1
1
1
1
A/R
1