ENGINE TIMING 17D
Engine timing
To check the timing of the fuel injection
pump17D-03
Special tools:
Universal timing tool, MS.67B
Gear adaptor for use with MS.67B, PD.67-3
Piston probe, PD.221
Caution: This procedure must be followed carefully
if:
• The engine performance is not correct
• The locking screw is released after the fuel
injection pump is removed from the engine.
1Remove the fuel injection pump, operation
20D-06.
Caution: When the pump is held in a vice, do not
apply pressure to the alloy components.
2 Hold the pump securely. Fit adaptor, PD.67-3,
(A) for the timing tool, MS.67B, to the drive shaft of
the pump. Use the nut for the drive gear, tightened
finger tight only, to retain the adaptor.
3 Loosen the screw (B2) on the timing tool and
set the timing tool to the correct angle, see the
table below for the correct angle. Tighten the
screw. This angle is relative to the start of injection
with the piston set at 100° BTDC. Fit the timing
tool, 67B, together with the spacer (B3), to the
adaptor on the pump.
Code letters
for fuel
pumps
Locking angle
(degrees
)
BC 336.5
CC 338.5
EC 337.5
FC 335.5
GC 337
4 Release the screw (B1) and slide the pointer
(B4) forward until it is over the centre of the pump
flange and tighten the screw.
Note: If the mark (B5) on the fuel pump flange is
not accurately aligned with the slot in the pointer of
the timing tool the timing of the pump must be
checked by the nearest Perkins Distributor.
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PA300
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5 Remove the timing tool, the spacer, PD 67-3.
Remove the nut and the adaptor from the shaft of
the pump.
6 Fit the fuel injection pump to the engine,
operation 20D-06.
Note: If the fuel pump was removed because the
engine performance was not correct, operate the
engine and check if the performance has improved.
If the performance is not correct, remove the fuel
pump to the nearest Perkins Distributor.
Perkins Phaser/1000 Series, April 1995 17D.03
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