Tool number
Tool nameDescription
KV11292010
Nozzle centering device
NT293
KV11100300
Nozzle holder socket
(For No.2-4injection
nozzles)
NT563
KV119E0010
No. 1 injection nozzle
holder socket
NT648
Commercial Service Tool
Tool name Description
Fuel ®ller cap adapter
NT653
Checking fuel tank vacuum relief valve opening
pressure
PRECAUTIONS AND PREPARATION
Special Service Tools (Cont'd)
EC-3
CAUTION:
+Do not disassemble No. 1 nozzle (with needle lift sensor
built-in). If NG, replace No. 1 injection nozzle.
+Plug ¯are nut with a cap or rag so that no dust enters the
nozzle. Cover nozzle tip for protection of needle.
Removal and Installation
1. Remove fuel injection tube and spill tube.
2. Remove injection nozzle assembly.
Also remove gasket from nozzle end.
3. Install injection nozzle in the reverse order of removal.
Injection nozzle to engine:
: 59-69Nzm (6.0 - 7.0 kg-m, 43 - 51 ft-lb)
Injection nozzle to tube:
: 22-25Nzm (2.2 - 2.5 kg-m, 16 - 18 ft-lb)
Spill tube:
: 39-49Nzm (4.0 - 5.0 kg-m, 29 - 36 ft-lb)
a. Always clean the nozzle holes.
b. Always use new injection nozzle gasket.
c. Note that small washer should be installed in speci®ed
direction.
d. Bleed air from fuel system.
Disassembly (No.2-4nozzles)
Do not disassemble No. 1 nozzle (with needle lift sensor).
1. Loosen nozzle nut while preventing nozzle top from turning.
2. Arrange all disassembled parts in the order shown at left.
SEF939S
Nozzle side
Combustion
chamber side
SEF662V
SEF669A
SEF670A
Holder
Adjusting shim
Nozzle spring
Push rod
Distance piece
Nozzle nut Nozzle body Nozzle needle
INJECTION NOZZLE
EC-22
