Kubota WSM B2050 User Manual

ENGINE
B2050, B2350, B2650, B3150, WSM
1-S17
(3) Cooling System
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 lbf).
2. If the measurement is not within the factory specifications,
loosen the alternator mounting screws and relocate the
alternator to adjust.
9Y1210982ENS0010US0
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.
9Y1210982ENS0011US0
Thermostat Valve Opening Temperature
1. Suspend the thermostat in the water by a string with its end
inserted between the valve and seat.
2. Heating the water gradually, read the temperature when the
valve opens and leaves the string.
3. Continue heating and read the temperature when the valve
opens approx. 8 mm (0.3 in.).
4. If the measurement is not within the factory specifications,
replace the thermostat.
9Y1210982ENS0012US0
Deflection (A) Factory specification
7.0 to 9.0 mm
0.28 to 0.35 in.
(A) Good (B) Bad
Thermostat's valve
opening temperature
Factory specification
69.5 to 72.5 °C
157.1 to 162.5 °F
Temperature at which
thermostat completely
open
Factory specification
85 °C
185 °F
KiSC issued 03, 2014 A

Kubota WSM B2050 Specifications

General

Brand	Kubota
Model	WSM B2050
Category	Tractor
Language	English