• Stop the engine and chock the wheels before
checking or adjusting.
IMPORTANT :
• Wrong adjustment may cause machine damage.
4.1 Check brake spring
1. Place the motion control levers to the
“NEUTRAL
LOCK”
position.
2. Be sure to chock the rear wheels.
3. Apply the parking brake to the lock position.
4. Check the length of the brake springs on both
sides.
(A): Proper brake spring length with
the brake applied to the lock position
114 to 115 mm
(4.49 to 4.53 in.)
When the parking brake is locked.
(1) Brake rod
(2) Brake spring
(3) Lock nut
(A) “Parking brake spring length”
5. If the length of the brake spring is not correct,
adjust it.
(See
“Adjustment of brake spring length”
as
follows.)
6. Release the parking brake completely.
7. Hold the brake rod lightly.
8. Check the brake spring play.
(B): Proper brake spring
play
The spring must have play.
Reference: 0.5 to 1.0 mm
(0.02 to 0.04 in.)
When the parking brake is released.
(1) Brake rod
(2) Brake spring
(3) Lock nut
(4) Plain washer
(A) “Hold the brake rod”
(B) “Parking brake spring play”
9. If the brake spring play is not correct, adjust it.
(See
“Adjustment of brake spring play”
as follows.)
Adjustment of brake spring length
1. Place the motion control lever to the
“NEUTRAL
LOCK”
position.
2. Apply the parking brake to the lock position.
3. Loosen the lock nuts.
4. Adjust the spring length to the recommendation.
5. Lock the nuts.
6. Check
the
brake
spring
play
to
the
recommendation.
If there is no play, adjust the brake spring play
again.
(See
“Adjustment of brake spring play”
as follows.)
7. Adjust the other side spring to the same dimension.
Adjustment of brake spring play
1. Place the motion control lever to the
“NEUTRAL
LOCK”
position.
2. Be sure to chock the rear wheels.
3. Release the parking brake completely.
4. Loosen the lock nuts.
5. Hold the brake rod by hand.
6. Tighten the nut to the correct space between the
end of the spring and the nut.
7. Lock the nuts.
8. Adjust the other side spring to the same dimension.
4.2 Check on the slope
1. Place the machine on a 17° ramp.
2. Apply the parking brake.
3. Place the motion control levers in
“NEUTRAL
LOCK”
position and shut off the engine.
4. Check that the machine does not move.
5. If the machine moves, consult your local KUBOTA
Dealer to have the unit checked before operation.
PERIODIC SERVICE
EVERY 100 HOURS
66
Z751KWi,Z781KWi,Z781KWTi
Summary of Contents for Z751KWi
Page 3: ...OPERATOR S MANUAL 1SJGJ00001A01 READ AND SAVE THIS MANUAL MODELS Z751KWi Z781KWi Z781KWTi ...
Page 15: ...SAFETY LABELS SAFE OPERATION 10 Z751KWi Z781KWi Z781KWTi ...
Page 16: ...SAFE OPERATION Z751KWi Z781KWi Z781KWTi 11 ...
Page 17: ...SAFE OPERATION 12 Z751KWi Z781KWi Z781KWTi ...
Page 18: ...SAFE OPERATION Z751KWi Z781KWi Z781KWTi 13 ...
Page 19: ...SAFE OPERATION 14 Z751KWi Z781KWi Z781KWTi ...
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