Engine Service Manual

53
Gear Reduction System
17 690 01 Rev. J KohlerEngines.com
This reduction system uses an internal pinion and ring
gear system, independent of, and separated from main
crankcase lubrication. Check and maintain oil level using
oil level/drain plug hole in gear box (reduction) case.
Change reduction system oil at interval in maintenance
schedule (see Maintenance). Oil capacity of this gear
box is 0.12 L (0.13 U.S. qt.).
Disassembly
NOTE: Place a drain pan under gear reduction unit to
catch any residual oil when cover is removed.
Dispose of used oil in accordance with local
ordinances.
NOTE: Note orientation of cover and fi ll and level plug
positions.
NOTE: Bearings in housings may be removed if
necessary using a bearing puller.
NOTE: Earlier reduction cover and gasket secure with 5
screws, later design cover and gasket secure
with 4 screws.
1. Remove key from reduction assembly PTO shaft.
Clean shaft and keyway of any burrs/damage.
2. Remove reduction oil/level drain plug and drain oil
into suitable container.
3. Remove screws securing reduction cover to
reduction case. Note position of cover.
B
E
B Screw E Reduction Cover
4. Remove reduction cover and gasket from reduction
case.
E
G
E Reduction Cover G
Reduction Cover
Gasket
5. Remove PTO shaft from reduction case.
J
H
H PTO Shaft J Reduction Case
6. If reduction case requires removal from closure
plate, remove mounting screws.
L
J
J Reduction Case L Closure Plate
7. Carefully separate reduction case from closure plate.
L
J
J Reduction Case L Closure Plate