5. Check fuel filter, if it is clogged by debris or
contaminated with water, replace it.
IMPORTANT :
• When the fuel line is disconnected for
maintenance or repairs, close both ends of
the fuel line with a piece of clean cloth or
paper to prevent dust and dirt from entering.
• Particular care must be taken not to allow
dust and dirt to enter into the fuel pump.
Entrance of even a small amount dust or dirt
cause premature wear and malfunction of
the fuel pump and injector components.
(1) Pipe clamps
(2) Fuel line
(3) Fuel filter
(4) Seat
(1) Pipe clamps
(2) Fuel line
(3) Fuel filter
3. Adjusting fan drive belt tension
WARNING
To avoid serious injury or death:
• Be sure to stop the engine and remove the key
before checking belt tension.
If the fan drive belt becomes loose, the engine may
overheat.
1. To adjust, loosen bolts and move the alternator
outward to tighten the belt. After adjustment,
securely tighten the bolts.
Moderate belt tension:
The belt must deflect approx. 10 mm (0.4 in.) when
the center of the belt is depressed with finger
pressure of 98 N (10 kgf, 22 lbs.).
(1) Tension bolt
(2) Alternator
(3) Adjusting bolt
(A) 10 mm (0.4 in.)
4. Adjusting parking brake
If you feel you are unable to make the following service
correctly and safely, contact your local KUBOTA Dealer.
WARNING
To avoid serious injury or death:
• Park the machine on a firm and level surface.
• 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
115 to 117 mm
(4.53 to 4.61 in.)
EVERY 100 HOURS
MAINTENANCE
ZD1211,ZD1221
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