DRIVE GEARS
Drive Gears Location
The engine is equipped with a breather
gear which prevents engine oil coming out
through the breathing system into the air
intake system.
The drive gears are located on the engine
PTO side behind the PTO cover.
1. Breather gear
2. Intermediate gear
3. Water pump drive gear
4. Oil pump drive gear
Removing theDrive Gears
Remove PTOcover (refer to PTO COVER).
Withdraw intermediate gear and breather
gear.
For oil pump drive gear removal, refer to
OIL PUMP in the LUERICATION subsection.
To remove water pump drive gear, pull the
shaft assembly a bit out and turn it about
one teeth until it stays out.
Then push water pump drive gear in.
Step: Push gear in
1. Water pump drive gear
2. Intermediate shaft
Remove needle pin and pull water pump
drive gear out.
Remove thrust washer from intermediate
shaft.
1. Thrust washer
2. Water pump drive gear
3. Needle pin
Inspecting the Drive Gears
Intermediate Gear/Oil Pump Drive
Gear/Water Pump Drive Gear
Inspect gears for wear or other damage.
Replace if damaged.
Breather Gear
Check if oil seal is brittle, hard or damaged.
Replace if necessary.
1. Breather gear
2. Oil seal
Inspect gear for wear or other damage.
Check ball bearing for excessive play and
smooth operation. Replace breather gear
assembly if necessary.
Installating the Drive Gears
The installation is essentially the reverse of
the removal procedure.
Adequately oil the ball bearing of the
breather gear.
CRAN KCASE
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