Specifications

(15) Remove timing chain.
INSTALLATION
(1) Install timing chain. Starting at the crankshaft
align the dark link on the chain to the timing mark
on the crankshaft sprocket. Next align the second
dark link on the chain with the timing mark on the
camshaft sprocket. Third Align the final dark link on
the chain to the timing mark on the injection pump
sprocket. Last install the chain around the vacuum
pump (Fig. 47).
(2) Install hydraulic tensioner.
(3) Install hydraulic tensioner oil feed line tighten
to 16.7 N·m (145 in. lbs.).
(4) Install hydraulic tensioner blade. Tighten Bolt
to 28 N·m (260 in. lbs.)
(5) Install lower chain guide.
(6) Install oil pump drive gear on crankshaft.
Fig. 43 Alignment Timing Sprockets
Fig. 44 Lower Chain Guide
Fig. 45 Tensioner Blade
Fig. 46 Hydraulic Tensioner and Oil Feed Line
NS/GS ENGINE 9 - 57
REMOVAL AND INSTALLATION (Continued)