Cub Cadet 8454 - Manual (Page 88)

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