Westerbeke 20B TWO Tehnical Manual page 63

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