Toyota 1PZ Repair Manual page 164

FUEL SYSTEM - Injection Nozzles (1 HD-T)
(d)
(e)
l\lo.1 opening pressure:
HINT:
swishing sound.
If the opening pressure is not as specified, disassemble the
nozzle and change the adjusting shim on the top of the
No.1 pressure spring.
HINT:
• Varying the adjusting shim thickness by 0.01
(0.0004 in.) changes the injection pressure by about 1.5
kg/cm
• Only one adjusting shim should be used.
(f)
Pump the tester handle slowly and observe the pres-
sure gauge.
Read the pressure gauge just as the injection pressure
begins to drop.
180-190 kg/cm
(2,560-2,702 psi)
(17,652-18,633 kPa)
Proper nozzle operation can be determined by a
2
(21 psi, 147 kPa).
There should be no dripping after injection.
FU-25
2
mm