FU-22 FUEL SYSTEM - Injection Nozzles (1 HD-T)
(i) Subtract the dimension £2 from the dimension £1.
Pre-lift: 0.08 - 0.10 mm (0.0031 - 0.0039 in.)
If the pre-lift dimension is not as specified, change the
adjusting shim on the top of the capsule sub-assembly.
HINT: If the shim is made thicker, the pre-lift is decreased.
2. CHECK NO.2 OPENING PRESSURE
(a) Loosen by one or two turns the plug screw of the
capsule sub-assembly with SST.
SST 09268-17010
HINT: When the plug screw is loosened by one or two
turns, the pre-lift from installation in the nozzle holder be-
comes 0 mm (0 in.).
(b) Assemble the following parts:
(1) Nozzle holder body
(2) Adjusting shim selected in step 1 above
(3) Capsule sub-assembly in the condition from step
2 (a)
(4) No.1 pressure pin
(5) Distance piece
(6) Straight pins
(7) Nozzle sub-assembly
(8) Retaining nut
NOTICE: Do not assemble the No.1 pressure spring
and the adjusting shim for adjustment of the No.1
opening pressure.
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