Troy-Bilt Bronco Benutzerhandbuch

Use a clean lubricating oil (#30 weight motor oil is suitable) 

and a clean general purpose grease (grease containing a metal 

lubricant is preferred, if available).
• 

Remove the wheels, clean the wheel shaft and apply a thin 

coating of grease to the wheel shaft.

• 

Grease the back, front and sides of the depth regulator lever.

• 

Remove the tines and clean the tine shaft. Use a file or 

sandpaper to gently remove any rust, burrs or rough spots 

(especially around holes in the shaft).   Apply grease to the 

ends of the shaft before installing the tines.

• 

Oil the threads on the handlebar height adjustment screws 

and the handlebar attaching screws.

Check the transmission gear oil after every 30 hours of operation 

or whenever you notice any oil leak. Operating the tiller when 

the transmission is low on oil can result in severe damage.
To Check the Transmission Gear Oil Level:
1. 

Check the gear oil level when the transmission is cool. Gear 

oil will expand in warm operating temperatures and this 

expansion will provide an incorrect oil level reading. 

2. 

With the tiller on level ground, pull the Depth Regulator 

Lever all the way up.

3. 

Clean the area around the oil fill plug. See Fig. 6-2.

4. 

Remove the oil fill plug from the transmission housing and 

look inside the oil fill hole to locate the main drive shaft 

situated below the hole. See Fig. 6-2. 

5. 

The gear oil level is correct if the gear oil is approximately 

halfway up the side of the main drive shaft. 

6. 

If the gear oil level is low, add gear oil as described next. If 

the gear oil level is okay, securely replace the oil fill plug. 

7. 

When adding gear oil, use Mobil 1® Synthetic 75W 140. 

8. 

While checking frequently to avoid overfilling, slowly add 

gear oil into the oil fill hole until it reaches the halfway 

point on the drive shaft.

9. 

Securely replace the oil fill plug.

When the tiller won’t be used for an extended period, prepare it 

for storage as follows:
1. 

Clean the tiller and engine.

2. 

Do routine tiller lubrication and check for loose parts and 

hardware.

3. 

Protect the engine and perform recommended engine 

maintenance by following the storage instructions found 

in the Engine Operator’s Manual. Be sure to protect the 

fuel lines, carburetor and fuel tank from gum deposits 

by removing fuel or by treating fuel with a fuel stabilizer 

(follow the engine manufacturer’s recommendations).  

4. 

Store the tiller in a clean, dry area.  

5. 

Never store the tiller with fuel in the fuel tank in an 

enclosed area where gas fumes could reach an open flame 

or spark, or where ignition sources are present (space 

heaters, hot water heaters, furnaces, etc.).