Service and Repairs

58
Gear Reduction System
KohlerEngines.com 17 690 01 Rev. L
CH270 2:1 Gear Reduction System
Components
A
B
C
D
F
G
K
E
H
I
J
5
3
1
2
4
A Oil Seal B Chain Cover C Chain Cover Gasket D Ball Bearing
E Spring Washer F PTO Sprocket Shaft G Chain H Flat Washer
I Splined Pinion Gear J Pinion Spacer K Closure Plate L Torque Sequence
This reduction system is lubricated by engine crankcase
oil. No special maintenance or service is necessary.
Check and maintain engine oil level as outlined in Check
Oil Level (see Lubrication System).
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: Bearings may be removed if necessary using a
bearing puller.
1. Remove engine oil drain plug and drain oil into
suitable container.
2. Remove any drive coupling and key from reduction
assembly PTO shaft. Clean shaft and keyway of any
burrs/damage.
3. Remove screws securing chain cover to closure
plate.
K
B
B Chain Cover K Closure Plate
L