Yard Machines 378 Lawn Mower User Manual


 
19
DRIVE BELT REMOVAL AND REPLACEMENT (Model 370 Series)
If you need to replace a worn or broken drive belt, follow steps 1 through 22.
Step 1. Disconnect the spark plug and ground it.
Step 2. Drain the fuel tank.
Step 3. Remove rear hub caps and wheels.
Step 4. Remove eight phillips head screws.
Step 5. Tip mower back on its handle and block
securely.
Step 6. Remove blade and blade adapter.
Step 7. Remove three hex head screws holding
small baffle.
Step 8. Remove small baffle.
Step 9. Remove large baffle.
Step 10. Loosen hex lock nut holding idler bearing.
Step 11. Push back and rotate belt keeper.
Step 12. Remove and replace belt.
Step 13. Replace belt keeper to its original
position. Tighten the hex lock nut.
Mower shown tipped on engine for clarity.
Remember, only tip mower back on its handle with
the spark plug facing up. Otherwise, oil will spill if
turned upside down.
(Behind Wheel)
1
2
3
4
5
6
7
8
Hex Head Screw
Blade
Blade Adapter
Large Baffle
Small Baffle
Belt Keeper
Hex Lock Nut