Injection Nozzle Installation (4Jg2 Engine) - Isuzu NHR 4J Series Workshop Manual

INSTALLATION (4JG2 Engine)
CAUTION
•
•
6C-12-1.tif
3. 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 (φ2) 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
040LX016.tif
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
Wrench: nozzle holder 5-8840-0259-0
6C-12-3.tif
2. Leak Off Pipe
• Mount using a new copper washer
• Tighten nut to the specified torque.
Pipe Nut Torque
1. Injection Pipe
• Connect injection pipe to nozzle holder.
• Tighten the injection pump side.
Sleeve Nut Torque
• Fit pipe clip in specified position.
Nozzle and assembling should be as illustrated.
Use new heat shield and new corrugated washer.
64 (6.5/47)
29 (3.0/22)
29 (3.0/22)
ENGINE FUEL 6C - 13
N∙m (Kg∙m/lb∙ft)
N∙m (Kg∙m/lb∙ft)
N∙m (Kg∙m/lb∙ft)