CUMMINS S3.8 - Fuel Injection Pump Service; Installation and Timing Adjustment

gears/ damaged woodruff keys / mismatched
timing gears (i.e. ‘1’ mark on crankshaft gear
tooth is not matched with ‘3-3’ mark on
camshaft gear.
11. Identify the defect and rectify.
REMOVAL OF FUEL INJECTION PUMP
(Linkages, oil line etc. disconnected)
1. Disconnect accelerator linkage.
2. Remove timing gear housing plug,
3. Unscrew coupling nuts of injection lines with
a suitable spanner or socket, 000 589 0509
from fuel injection pump. Fig. 1.
4. Unscrew fuel line from feed pump and fuel
Fig. 2
injection pump.
5. Remove high pressure lubrication oil line
between F.I.P. & oil filter.
6. Unscrew the screws holding fuel injection
pump on timing gear housing Fig. 2 and
remove fuel injection pump. Fig. 3.
(Preferably align the timing mark on F.I.P.
gear & pointer before removal of F.I.P.)
INSTALLATION OF FUEL INJECTION PUMP
AND TIMING ADJUSTMENT
1. Remove clutch housing inspection cover and
rotate crankshaft till 20 deg mark (yellow) on
flywheel coincide with pointer. Fig. 4. Ensure
that piston No. 1 is in compression stroke
by the feel of the push rods of No.1 cylinder
Fig. 3
which should be free.
2. Install fuel injection pump with new gasket
Fig.1
Fig. 4
Workshop Manual
S3.8 Engine
A030K288 (Issue 2)
01-2010
30