Chpter IV Mechanical System
Great Wall Baoding Internal Combustion Engine
Manufacturing Company Limited
175
Fig. 4-4-48 Installing the timing system
Fig. 4-4-49 Installing the timing pulley of
crankshaft
Fig. 4-4-50 Installing the timing system
Attention:
Tighten the pipe connectors at the two
ends of the fuel inlet pipe simultaneously and evenly
when installing the fuel inlet pipe of fuel injector.
Reinstalling the timing system
③
(1) Reinstalling the camshaft timing pulleys and the
crankshaft timing pulleys.
——Install the woodruff key to the exhaust camshaft,
install the timing pulley to the exhaust camshaft and
tighten the fastening bolt washer subassembly to the
required torque. The camshaft timing pulley should be
pressed and installed to the right position without
deflection. See Fig. 4-4-48.
Tightening torque for bolt washer component of
camshaft timing pulley
110 N·
m±5 N·
m
——Install the woodruff key to the crankshaft, install the
timing pulley to the crankshaft and tighten the fastening
bolt washer component to the required torque. The
crankshaft pulley should be pressed and installed to the
right position without deflection. See Fig. 4-4-49.
Tightening torque for fastening bolt of crankshaft
timing pulley
185 N·
m~195 N·
m
Attention:
Use the cylindrical pin to fix the camshaft
timing pulley and the flywheel gear ring assembly when
tightening the timing pulleys of camshaft and crankshaft.
(2) Install the timing idle wheel assembly and screw down
the fastening bolt according to specified torque.
Tightening torque for fastening bolt of timing idle
wheel
22 N·
m~26 N·
m
(3) Adjust the mark position of the scribed line on the
camshaft timing pulley till this position aligns with the
junction seam (on the exhaust side) which is between the
cylinder head and the camshaft bearing cap; and adjust
the mark position on the crankshaft timing belt pulley so
as to align it with the arrow mark on the engine oil pump
housing. See Fig. 4-4-50.
(4) Install the timing belt. During installation, make sure
the belts, except the timing tension pulley, are in close
contact with the pulley firmly without any looseness.
(5) Reinstalling the timing tension pulley: Embed the limit
Timing rear hood
Camshaft timing
pulley
Timing tension
pulley
Timing pulley of
crankshaft
Timing mark
Bone-line
Camshaft
timing pulley
