Cooling System; Checking And Adjusting - Kubota D1503-M-DI Workshop Manual

03-M-DI Series, WSM

4. COOLING SYSTEM

[1] CHECKING AND ADJUSTING

Fan Belt Tension
1. Measure the deflection (A), depressing the belt halfway between
the fan drive pulley and alternator pulley at specified force (98 N,
10 kgf, 22 lbs).
2. If the measurement is not within the factory specifications, loosen
the alternator mounting screws and relocate the alternator to
adjust.
Deflection (A) Factory spec.
(A) Deflection
Fan Belt Damage and Wear
1. Check the fan belt for damage.
2. If the fan belt is damaged, replace it.
3. Check if the fan belt is worn and sunk in the pulley groove.
4. If the fan belt is nearly worn out and deeply sunk in the pulley
groove, replace it.
(A) Good
S-83
DIESEL ENGINE
7.0 to 9.0 mm /
98 N or 10 kgf
0.28 to 0.35 in. /
98 N or 22 lbs
W1035667
(B) Bad
W1035758
KiSC issued 10, 2009 A