Isuzu NHR 4J Series, Workshop Manual

Page: 76 / 406

GENERAL ENGINE MECHANICAL 6A – 9
2a. Injection Nozzle Holder (4JB1/4JB1T/4JB1TC only)
1) Install the injection nozzle gasket
!
and the O-ring
"
to the injection nozzle holder
#
.
Be sure that the O-ring fits snugly in the injection
nozzle groove.
2) Apply engine oil to the cylinder head nozzle holder
hole.
3) Install the nozzle holder together with the nozzle holder
bracket
$
to the cylinder head.
N ∙ m (kg ∙ m/lb ∙ ft)
37 (3.8/27)
2. Injection Nozzle (4JG2 only)
• Lightly tighten the holder nut to suck extent that the
nozzle holder can turn one word and one word.
• Set positioning confirmation drilled hole (ø2) within a
nozzle turning angle of ±5° against the cylinder head-
side positioning boss.
• Apply a wrench as illustrated and tighten the holder nut
to the specified torque using a special tool.
CAUTION
•
After tightening the holder nut, make sure that the
drilled hole makes ±5° or smaller with the cylinder
head-side positioning boss.
•
When mounting leak off pipe, injection nozzle and
pipe, clean then with air so that dust may not
enter.
Nozzle Fixing Torque N ∙ m (kg ∙ m/lb ∙ ft)
64 (6.5/47)
Wrench: Nozzle holder 5-8840-0259-0
1. Thermostat Housing Assembly
• Tighten thermostat housing assembly fixing bolt.
N ∙ m (kg ∙ m/lb ∙ ft)
19 (1.9/14)
6A-8-3.tif
040LX016.tif
6A-9-1.tif