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Pump drive belt tension, Deck belt tension, Adjusting the parking brake – Exmark lazer Z 790 User Manual

Page 41: Figure 31, Caution, Maintenance

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Maintenance

Figure 31

1.

Panhard rod (right side only)

2.

Deck strut

3.

Rear deck lift attachment shoulder bolt and nut.

4.

Front deck lift attachment shoulder bolt and nut.

7. Disconnect the deck strut and panhard from the

deck.

8. Raise the front of the machine and slide the deck

left or right to remove.

9. Lower the front of the machine.

Pump Drive Belt Tension

Self-tensioning - No adjustment necessary.

Deck Belt Tension

Self-tensioning - No adjustment necessary.

Adjusting the Parking Brake

Service Interval: After the first 100 hours

Every 500 hours thereafter

Check to make sure brake is adjusted properly. This
procedure must be followed after the first 100 hours
or when a brake component has been removed or
replaced.

1. Drive the machine onto a level surface.

2. Disengage the blade control switch (PTO), move

the motion control levers to the neutral locked
position and set the parking brake.

3. Stop the engine, wait for all moving parts to stop,

and remove the key.

4. Raise the back of the machine up and support the

machine with jack stands.

CAUTION

Raising the mower deck for service or
maintenance relying solely on mechanical
or hydraulic jacks could be dangerous. The
mechanical or hydraulic jacks may not be
enough support or may malfunction allowing
the unit to fall, which could cause injury.

Do Not rely solely on mechanical or hydraulic
jacks for support. Use adequate jack stands
or equivalent support.

5. Remove the rear tires from the machine.

6. Remove any debris from the brake area.

7. Rotate the drive wheel release handle to the

“released” position. Refer to the Drive Wheel
Release Valves
section in Operation.

8. Disengage the park brake.

9. Hold the threaded rod end with a tool and loosen

the lock nut away from the standard nut (see
Figure 32). Do Not allow the cable to turn when
the nuts are being loosened.

41

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