Snapper 1650 Series User Manual

TRANSMISSION OVERAL & REPAIR
IMPORTANT!
Do not start disassembling this transmission without
following these instructions. The ballpistons are
select fit in each bore and must not be mixed. These
ball-pistons can fail out of the rotor if precaustions
are not taken during rotor removal. If that happens a
new ball-piston and rotor assembly must be installed.
NOTE: Cap all open ports and thoroughly clean trans¬
mission externally before disassembly. A fast drying
agent that is not harmful to lip sea! robber, gaskets
or plastic is recommended.
Air pressure may be used for cleaning or
drying provided high pressure is not directed
at lip seals. Work area must be clean; fresh
clean paper is suggested to cover work ben¬
ch or table for layout of parts.
FIG. 4.38-SEAL SLEEVE TOOL
OIL SEAL REPLACEMENT
The transmission input shaft oil seal and
the control shaft oil seal can be replaced
without disassembly of the transmission,
however transmission should be removed
from the Tractor and cleaned externally
before attempting seal replacement. Either
seal may be removed by piercing it with a
narrow sharp tool.
NOTE: Core must be exercised not to damage the
shafts or seal counterbores during sea! removal.
Also, care must be taken when removing the control
arm from the control shaft as internal damage can oc¬
cur if arm is pried or driven severly. A suitable puller
is recommended.
New seals should be installed using seal,
sleeve tool, Fig. 4.38. The seal lip must be
toward the inside and it is recommended that
the outside diameter of the seal be coated
with a thin coat of Loctite prior to in¬
stallation.
1
FIG. 4.39-EATON #1100-031 TRANSMISSION
1. Grass Shield. 2. Retaining Bolts (5).
DISASSEMBLY OF TRANSMISSION
NOTE: A block of wood 2"x6"xl0" with a 3/4"
hole in the center is recommended as a stand.
1. Position transmission in stand with input
shaft up.
2. Remove grass shield, No. 1, Fig. 4.39,
and then remove five bolts, No. 2, noting
location of long bolt.
3. Lift off charge pump body being careful
not to damage oil seal noting position of six
rolls, No. 1 Fig. 4.40.
4. Before removing the roll carrier,
carefully note its position on the pump shaft
as it can be installed incorrectly. The leading
surface of the roll carrier will form a straight
line to the center of the pump shaft when it is
FIG. 4.40-CHARGE PUMP CARRIER & ROLLS (6)
1. Charge Pump Carrier Rolls (6).
4.12 If

Snapper 1650 Series Specifications

General

Brand	Snapper
Model	1650 Series
Category	Lawn Mower
Language	English