Technical data

(b) When removing the plunger, first take out the spring retainer (6) from the plunger tube (12). Then
remove the washer (7), 0-ring seal (8), valve (9), plunger spring (10) and plunger (11) from the tube.
Wash the removed parts with detergent and blow off dirt with compressed air.
CAUTION: THE TUBE (12) HAS VERY SMALL WALL THICKNESS. BE CAREFUL NOT TO
DEFORM THE TUBE DURING REMOVAL OF THE PLUNGER AND THE RELATED PARTS.
CAREFULLY HANDLE THE PLUNGER TO PREVENT IT FROM BEING DENTED OR
OTHERWISE DAMAGED.
(3)Fuel Injection Pump
(a) Remove the fuel injection pipes.
(b)Remove bolts fastening the injection pump and remove the pump assembly.
Prior to removal of the pump, be sure to remove the pump side cover and disconnect the tie rod and
spring from the rack.
(c)Record the thickness and number of pump adjusting shims to facilitate adjustment at the time of
reassembly.
(d)Partly disassemble the fuel injection pump using the following procedure:
CAUTION:
DO NOT ATTEMPT TO DISASSEMBLE THE FUEL INJECTION PUMP UNLESS IT IS
NECESSARY. SINCE THE ADJUSTMENT OF AN INJECTION PUMP REQUIRES A PUMP
TESTER AND TRAINED PERSONNEL, DISASSEMBLY, REASSEMBLY AND ADJUSTMENT OF
A PUMP SHOULD NOT BE PERFORMED IF SUCH A TESTER AND TRAINED PERSONNEL
SKILLED HAND ARE NOT AVAILABLE.
BEFORE DISASSEMBLY, PLUG THE FUEL INLET AND OUTLET AND CLEAN THE OUTSIDE.
PREPARE VESSELS FILLED WITH CLEAN DIESEL OIL TO KEEP DISASSEMBLED PARTS
IMMERSED IN THE OIL.
KEEP DISASSEMBLED PARTS NEATLY ARRANGED, EXCEPT FOR THOSE TO BE REPLACED,
TO PREVENT CONFUSION OF A SET OF PARTS REMOVED FROM A UNIT WITH ANOTHER
SET OF PARTS.