3-35. CYLINDER HEAD AND VALVE REPAIR (Contd)
c. Inspection and Repair (Contd)
c. Check protrusion of injector
sleeves (7) (Contd)
assembly (43) tip as follows:
Ensure injector assembly is new or condition of injector assembly is known to be
satisfactory prior to checking protrusion of tip.
(1) Install injector assembly (43)
Tighten screws (45) alternately
on injector sleeve (7) with
in 48 lb-in. (5 Nm) increments
injector clamp (44) and two
to 10-12 lb-ft (14-16 Nm).
(2) Measure protrusion of tip.
Tip protrusion should be
0.060-0.070 in. (1.524-1.778 mm).
Replace injector sleeve if protru-
sion is more than 0.070 in. (1.778
mm) (refer to step 18d for replace-
ment). Recut injector sleeve (7) if
protrusion is less than 0.060 in.
(1.524 mm) (refer to step 18e for
d. Replace injector sleeve (7) as
Replace if damaged or not
within wear limits.
(1) Install puller (47) on injector
Use injector sleeve puller
sleeve (7) as shown in illustration.
(ST-1244) (47). Ensure puller (47)
legs of support bridge are against
surface of cylinder head (9) and
both nuts are loose.
(2) Strike puller (47) with
hammer to push puller (47) into
injector sleeve (7).
(3) Tighten small nut on
Do not tighten small nut
puller (47) to 50 lb-ft (68 Nm).
more than 60 lb-ft (81 Nm).
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