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4D68 ENGINE (E- W) -
Timing Belt
11A-4-7
(4) Remove the plug on the cylinder block and insert a Phillips
screwdriver [shank diameter 8 mm] through the hole.
If it can be inserted as deep as 60 mm or more, the timing
marks are correctly aligned. If the inserted depth is only
20 - 25 mm, turn the oil pump sprocket one turn and
realign the timing marks. Then check to ensure that the
screwdriver can be inserted 60 mm or more. Keep the
screwdriver inserted until installation of the timing belt
is finished.
(5) Install the timing belt on the sprockets in the following
sequence while taking care so that the belt is not slack
between sprockets or between sprocket and pulley.
1 Crankshaft sprocket
2 Timing belt idler
3 Camshaft sprocket
4 Injection pump sprocket
5 Oil pump sprocket
6 Turn the crankshaft in the reverse direction by 1/2
tooth of thecamshaft sprocket toremove theslackenss
of the belt on the idler side.
7 Timing belt tensioner
NOTE
To install the timing belt on the injection pump sprocket,
use an offset wrench or a similar tool a nd align the injection
pump sprocket timing mark with the mark in th e engine.
(6) Loosen the tensioner mounting bolt 1/4 - 1/3 turn and
allow the spring tension to move the tensioner against
the belt.
(7) Turn the crankshaft counterclockwise by three teeth of
the cam sprocket from the timing mark and hold this
position. Check that the belt is in complete mesh with
the sprockets.
(8) Fix the tensioner.
(9) Turn the crankshaft clockwise to align the timing marks.
(10)Check that the belt deflects 4 - 5 mm when its midpoint
is pushed by index finger.
(11)Check that the timing marks of all sprockets are aligned.
PWEE9609
E
Dec. 1996Mitsubishi Motors Corporation
6EN05646EN0563
Plug
Screwdriver
DEN0840
Camshaft sprocket
Timing
belt idler
Injection pump
sprocket
Oil pump
sprocket
Crankshaft sprocket
Timing
belt
tensioner
DEN0732
Timing
mark
Timing mark
2-1/2
teeth
1/2 teeth
DEN0694
4-5mm