Shibaura ST330, Workshop Manual

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49
20) Injection pump
Specification
Engine Model Part Code No. Manufacturer and Injection Pump Type
N843 131017811
BOSCH AUTOMOTIVE SYSTEM CORPORATION
104135 – 3061
Disassembly, Inspection and Reassembly
(1) Disassembly, inspection, and reassembly of injection pump. If the trouble has been verified to be in the injection pump,
do not disassemble other than at shop where specialized and authorized this operation specializing in this operation.
Trouble-shooting
Trouble Possible Cause Check or Remedy
1. Engine does not
start.
(1) Fuel Shortage or air mixed in.
(2) Defective engine stop
solenoid.
(1) Replenish fuel, check air entering part, bleed air
(2) Check and replace the electric system
2. Engine starts but will
not stop at once.
(1) Filter or pipes clogged.
(2) Air mixed in.
(3) Fuel tank filter cap air breath
clogged.
(4) Short-circuit or disconnected
wire of electric system of
engine stops solenoid.
(1) Replace or clean out.
(2) Check fuel pipe and connections.
(3) Wash
(4) Inspect and repair.
3. Engine output
unstable
(1) Air mixed in.
(2) Water mixed in fuel. (1) Check fuel pipe and connections.
(2) Replace fuel, replace filter.
NOTE: Due to possibilities of other troubles, refer to 2 – 3 Trouble Shooting