PERIODIC SERVICE OF THE TRACTOR78
BChecking Radiator Hose and Clamp
To avoid personal injury:
A Be sure to stop the engine and remove the key
before checking radiator hose and clamp.
Check to see if radiator hoses are properly secured every
200 hours of operation or six months, whichever comes
first.
1. If hose clamps are loose or water leaks, tighten bands
securely.
2. Replace hoses and tighten hose clamps securely, if
radiator hoses are swollen, hardened or cracked.
3. Properly dispose of used coolant.
Replace hoses and hose clamps every 2 years or
earlier if checked and found that hoses are swollen,
hardened or cracked.
C Precaution at Overheating
Take the following actions in the event the coolant
temperature nears the boiling point, which is termed
"Overheating".
1. Stop the machine operation in a safe place and keep
the engine idling unloaded.
2. Don't stop the engine suddenly, but stop it after about
5 minutes of unloaded idling.
3. Keep yourself well away from the machine for an
additional 10 minutes or until the steam has blown out.
4. Checking that there is no danger such as burn, get rid
of the causes of overheating according to the manual,
see "Troubleshooting" section, and then, start the
engine again.
BAdjusting Toe-in
1. Park tractor on a firm, flat and level place.
2. Turn steering wheel so front wheels are in the straight
ahead position.
3. Lower the implement to the ground, lock the parking
brake, stop the engine and remove the key.
4. Measure distance between tire beads at front of tire,
hub height.
5. Measure distance between tire beads at rear of tire,
hub height.
6. Front distance should be 0 to 5 mm (0 to 0.2 in.) less
than rear distance. If not, adjust tie rod length.
C Adjusting procedure
1. Loosen the lock nut and turn the tie rod to adjust the
rod length until the proper toe-in measurement is
obtained.
2. Retighten the lock nut.
(1) Radiator hoses (2 pcs)
(2) Hose clamps (4 pcs)
(A) Wheel - to - wheel distance at rear
(B) Wheel - to - wheel distance at front
(C) "FRONT"
(1) Lock nuts
(2) Tie rod
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