Snapper 1650 Series User Manual

FIG. 4.14-GEARBOX LOCATION
1. Gear Box. 2. Drive Belt.
1600 GEARBOX
1. Remove cover over drive shaft and re¬
move belt from gear box pulley.
2. Remove bolts securing gear box to trac¬
tor frame.
3. Remove gear box from beneath tractor
Fig. 24.
4. To reinstall gear box proceed as follows:
a. Position gear box in place as shown in
Fig. 4.14.
b. Install bolts and tighten securely. Fig.
4.15.
Gearbox Disassembly
1. Remove gearbox from tractor and
remove pulley.
2. Punch two small holes in output shaft
seal with a sharp punch as close to outer
edge as possible. Do not drill these holes or
bearing below seal could be damaged.
3. Install two metal screws into these
holes. Fig. 4.16.
4. Pry seal out of housing with a suitable
bar or screwdriver.
5. Remove cover and seal from over input
shaft. Fig. 4.17.
FIG. 4.15-GEARBOX RETAINING BOLT
1. Drive Belt. 2. Coupling. 3. Retaining Bolts.
6. Pull input shaft and bearing out of hous¬
ing and gear as shown in Fig. 4.18.
7. Remove snap ring from output shaft as
shown in Fig. 4.19.
8. Remove output gear, bearing and shaft
from housing.
9. Remove snap ring and remove gear and
bearing from output shaft. Fig. 4.20.
10. If the other bearing for the input shaft
requires removal, heat housing and remove
bearing.
Gearbox Reassembly
See Fig. 4.21
1. Heat housing and install input shaft
bearing, if removed. Fig. 4.22.
2. Assemble bearing and gear on output
shaft and secure with retaining ring, Fig.
4.20.
FIG. 4.16-GEARBOX ASSEMBLY
3. Install output shaft into housing as
shown in Fig. 4.23.
4. Hold output shaft in place and install
snap ring, as shown in Fig. 4.9.
5. Carefully slide seal over output shaft
and install into housing. Drive seal , into
housing until it is flush with housing. Fig.
4.24.
6. Install input shaft with bearing into
housing and gear, as shown in Fig. 4.18.
7. Install new seal into input shaft cover
.040” to .050" below flush.
8. Install cover and seal with gasket over
input shaft and secure with retaining bolts.
9. Fill case with approximately 4 oz. of
moly EP lithium grease.
4.4 ^

Snapper 1650 Series Specifications

General

Brand	Snapper
Model	1650 Series
Category	Lawn Mower
Language	English