Injection Nozzle Adjustment
Adjust injection start pressure
by
increasing
or
decreasing the thickness of the shim washer
to
be
inserted. Varying shim thickness by
0.1
mm causes
injection start pressure
to
change
10
kg/cm.
10
kinds of shims available from
1.25
mm
to
1.7 mm in
thickness, 0.05 mm step.
Injection start pressure
Standard
Allowable limit
130
kg/
an'
or
less
Injection Nozzle Installation
Tightening
torque:
2.5-3.0kg.m
Return pipe
Assembling the Nozzle
Tightening torque:
3.5-4.0kg.m
1.
Clean the nozzle holder fitting surface of the cylinder head. Install the nozzle holder with a gasket
interposed.
Tightening torque: 5.0 - 6.0 kgm
2.
Connect the fuel return pipe and injection pipe.
Tightening torque:
Injection pipe
Fuel
return pipe
2.5 -3.5 kgm
2.5 -3.0 kgm
61
Westerbeke Engines
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