jcb JS200 Service Manual page 56

Section 3
8 - 8
Bleeding the Fuel System
Air in the fuel system could cause misfiring or failure to start.
Air will enter the system if any part of it is disconnected or
emptied.
Note: Running the engine with air in the system could
damage the fuel injection pump. After maintenance, remove
air from the fuel system as detailed below.
1. Stop the Engine
Switch off the engine and remove the key.
2. Disconnect the Battery
Remove the - ve lead to chassis.
3. Open the Engine Compartment
Locate the priming pump and bleed point (see
Illustrations).
4 . Prepare for Bleeding
Loosen the knob A on the priming pump B by turning it
anti-clockwise. The knob will be lifted by spring pressure.
5. Bleed the System
Loosen bleed plug C. Depress knob A to bleed air from
filter.
6. Restore the System to Normal
Tighten bleed plug C. Depress knob A and turn
clockwise to lock into priming pump B.
7. Check for Leaks
! WARNING !
Fuel oil is highly inflammable. Completely wipe off any
spilt fuel which could cause a fire.
8-3-4-3
Wipe up any spilled fuel. Then start the engine and check for
leaks.
9803/6400
Routine Maintenance
Engine (continued)
B
A
Section 3
8 - 8
C
Issue 1