Brake Maintenance
Adjusting the Parking Brake
Service Interval:
Every 25 hours
Every 200 hours
1.
Engage the parking brake.
2.
Measure the length of the spring (
Note:
The measurement should be 64 mm (2-1/2
inches) between the washers.
3.
If adjustment is necessary, disengage the parking brake,
loosen the jam nut below the spring and adjust the nut
directly below the spring (
4.
Turn the nut until the correct measurement is obtained.
Note:
Turn the nut clockwise to shorten spring length
and turn counter-clockwise to lengthen the spring.
5.
Tighten the 2 nuts together.
6.
Engage the parking brake and check the measurement
of the spring again.
7.
If an adjustment is necessary, repeat the procedures
above.
8.
Repeat on the opposite side of machine.
g001294
Figure 80
1.
Brake lever in engaged
position
3.
Adjusting nut and jam nut
2.
Spring—64 mm (2-1/2
inches)
Belt Maintenance
Inspecting the Belts
Service Interval:
Every 100 hours
Check the belts for squealing when the belt is rotating, blades
slipping when cutting grass, frayed belt edges, burn marks and
cracks are signs of a worn mower belt. Replace the mower
belt if any of these conditions are evident.
Replacing the Mower Belt
Squealing when the belt is rotating, blades slipping when
cutting grass, frayed belt edges, burn marks and cracks are
signs of a worn mower belt. Replace the mower belt if any of
these conditions are evident.
1.
Disengage the blade-control switch (PTO), move the
motion-control levers to the N
EUTRAL
-
LOCK
position,
and engage the parking brake.
2.
Shut off the engine, remove the key, and wait for all
moving parts to stop before leaving the operating
position.
3.
Loosen the bottom bolt holding the mower-deck
curtain to the mower deck. Refer to
Mower-Deck Curtain (page 36)
.
4.
Remove the sheet-metal guard. Refer to
Sheet-Metal Guard (page 37)
.
5.
Remove the belt covers (
).
g006541
Figure 81
1.
Belt cover
3.
Insert slot into the tab
2.
Latch
6.
For 72 inch mowers, loosen the idler plate bolts holding
the idler plate (
).
7.
Remove the idler spring.
8.
Remove the belt guide on the spring-loaded idler pulley
shown in
and
55
Summary of Contents for Z593-D Z Master 74264TE
Page 75: ...Schematics g012068 g012068 Wire Diagram Rev A 75 ...
Page 76: ...Notes ...
Page 77: ...Notes ...
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