Disassembling And Assembling - Kubota D1503-M-DI Workshop Manual

03-M-DI Series, WSM

[2] DISASSEMBLING AND ASSEMBLING

CAUTION
• When removing the radiator cap, wait at least ten minutes after the engine has stopped and cooled down.
Otherwise, hot water way gush out, scalding nearby people.
Thermostat Assembly
1. Remove the thermostat cover mounting screws, and remove the
thermostat cover (1).
2. Remove the thermostat assembly (3).
(When reassembling)
• Apply a liquid gasket (Three Bond 1215 or equivalent) only at the
thermostat cover side of the thermostat cover gasket (2).
(1) Thermostat Cover
(2) Thermostat Cover Gasket
Water Pump Assembly
1. Loosen the alternator mounting bolts, and remove the fan belt.
2. Remove the fan and fan pulley.
3. Remove the water pump assembly from the gear case cover.
4. Remove the water pump flange (1).
5. Press out the water pump shaft (2) with the impeller (5) on it.
6. Remove the impeller from the water pump shaft (2).
7. Remove the mechanical seal (4).
(When reassembling)
• Apply a liquid gasket (Three Bond 1215 or equivalent) to the both
sides of gasket.
• Replace the mechanical seal with new one.
(1) Water Pump Flange
(2) Water Pump Shaft
(3) Water Pump Body
S-85
DIESEL ENGINE
(3) Thermostat Assembly
W1105115
(4) Mechanical Seal
(5) Impeller
W1105227
KiSC issued 10, 2009 A