Water Pump; Injection Nozzle - Kubota GR1600EU Workshop Manual

GR1600EU, WSM

(5) Water Pump

(6) Injection Nozzle

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 gasket (2).
(1) Thermostat Cover
(2) Thermostat Cover Gasket
Water pump Assembly
1. Loosen the dynamo mounting screws, 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.
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
Nozzle Holder
1. Secure the nozzle retaining nut (7) with a vise.
2. Remove the nozzle holder (1), and remove parts inside.
(When reassembling)
• Assemble the nozzle in clean fuel oil.
• Install the push rod (4), noting its direction.
• After assembling the nozzle, be sure to adjust the fuel injection
pressure.
Nozzle holder
Tightening torque Overflow pipe nut
Nozzle holder assembly
(1) Nozzle Holder
(2) Adjusting Washer
(3) Nozzle Spring
(4) Push Rod
1-S35
ENGINE
(3) Thermostat Assembly
9Y1210595ENS0050US0
(4) Mechanical Seal
(5) Impeller
9Y1210595ENS0051US0
35 to 39 N·m
3.5 to 4.0 kgf·m
26 to 28 lbf·ft
20 to 24 N·m
2.0 to 2.5 kgf·m
15 to 18 lbf·ft
49 to 68 N·m
5.0 to 7.0 kgf·m
37 to 50 lbf·ft
(5) Distance Piece
(6) Nozzle Piece
(7) Nozzle Retaining Nut
9Y1210595ENS0101US0
KiSC issued 11, 2013 A