Cub Cadet 8454 Service Manual page 88

CHAPTER 2 8454
(B) Fuel tightness of needle valve seat tightness
1. Set the injection nozzle to the nozzle tester.
2. Apply a pressure 130 kgf/cm
After keeping the nozzle under this pressure for 10
seconds. Check to see if fuel leaks from the nozzle.
3. If the fuel should leak, replace the nozzle.
c. Disassembling and Assembling
1) Injection pump
IMPORTANT:
• If replacing the pump element, the amount of fuel
injection should be adjusted on specified bench.
2-66
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2 (12.75 mPa, 1,849 psi).
(1) Pump Body
(2) Control Rack
(3) Delivery Valve Holder
(4) Delivery Valve Spring
569W2D1A
569W2C9A
(5) Delivery Valve
(6) Tappet Roller
(7) Cylinder
(8) Plunger
D569-W02 May-2003