20-106 PC58UU-3
TESTING AND ADJUSTING
TESTING AND ADJUSTING
FUEL INJECTION TIMING
Serial No.: 20001 – 22000
TESTING
Adjust the injection timing of the fuel injection pump
according to the following procedure.
1. Disconnect fuel injection tube (1) of cylinder No.
1.
a Cylinder No. 1 is on the flywheel side.
2. Using the crank pulley, rotate the crankshaft for-
ward and stop when the oil surface at the end of
delivery valve spring holder starts swelling.
3. Watch through the inspection hole of the fly-
wheel housing and check that injection timing
mark (2) stamped on the flywheel is matched to
the timing mark (3) on the flywheel housing.
a For the injection timing, see the STANDARD
VALUES.
ADJUSTING
If the injection timing is out of standard, adjust with
following procedure.
1) If stamped injection timing mark (2) is below
timing mark (3).
• Since the injection timing is earlier than
the standard, loosen injection pump
mounting nuts (4) and lean the pump
toward the engine.
2) If stamped injection timing mark (2) is above
timing mark (3).
• Since the injection timing is later than the
standard, loosen injection pump mount-
ing nuts (4) and lean the pump away
from the engine.
a Adjust until the timing mark is matched to the
given injection timing mark.
TESTING AND ADJUSTING FUEL INJECTION TIMING
(6)
To Next Page
Loading...
Need help?
General
