MAINTENANCE MANUAL OF GW4D20/GW4D20B TURBOCHARGED DIESEL ENGINES
316
Great Wall Baoding Internal Combustion Engine
Manufacturing Company Limited
Fig. 5-14-17 Installing the power steering
pump assembly
(2) Install the steering pump bracket on the two sides of
the oil pump housing (See Fig. 5-14-17), and screw the
3 hexagon flange bolts (M8×25, M8×30) with specified
torques.Install the steering oil pump assembly and
screw the 2 hexagon flange bolts (M8×30, M8×100) with
specified torques.
Tightening torques for fastening bolts of steering
pump bracket and power steering oil pump.
23N·
m±3N·
m
Fig. 5-14-18 Installing the generator belt
Fig. 5-14-19 Installing the generator belt
(3) Install the flat idle wheel and wedge idle wheel, and
tighten the bolts with specified torques.
Tightening torques for fastening bolts of flat idle
wheel and wedge idle wheel.
22N·
m~26N·
m
(4) After aligning the limit boss of tension pulley with the
mounting hole of engine bracket, use the bolt to tighten
the tension pulley.
Tightening torque for fastening bolt of tension
pulley
53N·
m~57N·
m
(5) Install the generator belt, and make sure the pulleys
are properly installed, except the flat idle wheel. Make
sure the belt wedge teeth fit well with the pulley wedge
slot.
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Turn the tension pulley with tools until the
generator belt is loose enough, and then install the flat
idle wheel into the belt.
(6) After the installation, check the generator belt for any
excessive tension or any insufficient tension. See Fig
5-14-19.
Steering pump bracket
Steering pump
Generator belt
Rotary
installation
position of
tension pulley
Generator
belt
