MAINTENANCE MANUAL OF GW4D20/GW4D20B TURBOCHARGED DIESEL ENGINES
430
Great Wall Baoding Internal Combustion Engine
Manufacturing Company Limited
Fig. 8-2-3 Oil filter
Removing the air intake pipe of turbocharger
①
Loosen the clamps on both ends of turbocharger to take
off the air intake pipe of turbocharger as shown in Fig.
8-2-2.
Removing the oil filter
②
(1) Screw off the oil filter from the pipe connector with
special tool as shown in Fig. 8-2-3.
Filter spanner: 5-8840-0020-0
(2)
Take off the seal ring of oil filter.
Installation
Installing the oil filter
②
Prompt:
Oil filter core is a disposable part and should
not be reused.
(1) Coat the O-ring of oil filter with a thin layer of oil as
shown in Fig. 8-2-4.
Mobil API C1
– 4 lubricating oil.
Fig. 8-2-4 Installing the oil filter
(2) Check if the seal ring of oil filter assembly is installed
correctly, and then screw down the filter on the pipe
connector. When the rubber ring of oil filter contacts the
oil cooler, screw it down for 3/4 ~ 1 circle.
(3) Check the seal ring of filter for oil leakage after the
installation.
Filter spanner: 5-8840-0020-0
Fig. 8-2-5 Installing the oil filter
Special tool
Remove and install
with the special tool.
