Problem
Possible Cause
Corrective Action
1. By pass valve is not
closed tight.
1. Tighten the by pass
valve.
2. Drive or pump belt is
worn, loose or broken.
2. Change the belt.
3. Drive or pump belt is off
a pulley.
3. Change the belt.
4. Broken or missing idler
spring.
4. Replace the spring.
Machine does not drive.
5. Hydraulic uid level is
low or too hot.
5. Add hydraulic uid to
reservoir or let it cool
down.
1. Cutting blade(s) is/are
bent or unbalanced.
1. Install new cutting
blade(s).
2. Blade mounting bolt is
loose.
2. Tighten the blade
mounting bolt.
3. Engine mounting bolts
are loose.
3. Tighten the engine
mounting bolts.
4. Loose engine pulley,
idler pulley, or blade
pulley.
4. Tighten the appropriate
pulley.
5. Engine pulley is
damaged.
5. Contact an Authorized
Service Dealer.
6. Blade spindle is bent.
6. Contact an Authorized
Service Dealer.
Abnormal vibration.
7. Motor mount is loose or
worn.
7. Contact an Authorized
Service Dealer.
1. Blade(s) not sharp.
1. Sharpen the blade(s).
2. Cutting blade(s) is/are
bent.
2. Install new cutting
blade(s).
3. Mower is not level.
3. Level the mower
from side-to-side and
front-to-rear.
4. Underside of mower is
dirty.
4. Clean the underside of
the mower.
5. Tire pressure is not
correct.
5. Adjust the tire pressure.
Uneven cutting height.
6. Blade spindle bent.
6. Contact an Authorized
Service Dealer.
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Summary of Contents for Z453 Z Master 74416TE
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