Kubota MX5100 Workshop Manual page 112

MX5100, WSM
Fuel Tightness of Pump Element
1. Remove the engine stop solenoid.
2. Remove the injection pipes and glow plugs.
3. Install the injection pump pressure tester to the injection pump.
4. Install the injection nozzle (2) jetted with the proper injection
pressure to the injection pump pressure tester (1). (Refer to the
figure.)
5. Set the speed control lever to the maximum speed position.
6. Run the starter to increase the pressure.
7. If the pressure can not reach the allowable limit, replace the
pump with new one or repair with a Kubota-authorized pump
service shop.
Fuel tightness of pump
Allowable limit
element
NOTE
• Never try to disassemble the injection pump assembly. For
repairs, you are strongly requested to contact a Kubota-
authorized pump service shop.
(1) Injection Pump Pressure Tester
(2) Injection Nozzle
1-S20
ENGINE
13.73 MPa
2
140.0 kgf/cm
1991 psi
(3) Protection Cover for Jetted Fuel
W1017430