Isuzu NHR 4J Series, Workshop Manual

Page: 167 / 406

6A1 – 32 4JB1/4JB1T/4JB1TC/4JG2 - ENGINE
11. Timing Belt
• Prepare a fixing bolt (M8x40, P=1.25)
• Turn crankshaft timing pulley in the normal direction
pulley side mark to timing pulley housing side mark.
• Make sure that the camshaft pulley and injection
timing pulley fixing bolt holes are set to each other.
Then fit in a fixing bolt and lightly tighten.
• No.1 cylinder should be at top dead center.
If the fixing bolt holes are not set (No.4 cylinder is at
top dead center) give another turn.
• Remove tensioner and timing belt.
WARNING
IF CRANKSHAFT AND CAMSHAFT AND TURNED
WITH TIMING BELT BEING NOT MOUNTED, PISTON
AND VALVE WILL INTERFERE WITH EACH OTHER.
THEREFORE, THE SHAFTS MUST NOT BE TURNED.
INSTALLATION
11. Timing Belt
• When removing the belt, make sure the marks on the
bolt fixed camshaft, injection pulley and crankshaft
timing pulley are set to each other.
CAUTION
Do not turn crankshaft because otherwise piston and
valve will interfere with each other.
CAUTION
For accurate mounting, be sure to mount the belt in
the direction that letters on the belt are readable.
6A1-32-1.tif
6A1-32-2.tif
6A1-32-3.tif
6A1-32-4.tif