Weichai America Corp.
79
3)
Loose clamps on the water outlet pipe;
4)
Remove water inlet pipe;
5)
Remove the bolts fitting the oil cooler and take oil cooler down.
9.3.3
Steps to assemble oil filter and cooler
1)
Check oil filter’s O-ring and oil cooler for manufacturing defect and damage before installing
them.
2)
Clean up the junction surface of oil cooler seat;
3)
Install oil cooler and connecting barrel then tighten them, hook up water inlet pipe and outlet pipe,
and tighten clamps.
4)
Install and tighten oil filter.
9.3.4
Inspection and maintenance of oil filter and cooler.
1)
Check oil filter for damage, replace it if there is damage.
2)
Check oil cooler for crack, replace it if there is crack or leakage.
9.4
Pressure-limiting valve of main oil gallery assembly and disassembly
9.4.1
Exploded view of pressure-limiting valve
No.
Part Name
No.
Part Name
No.
Part Name
1
Ball
3
Push rod
5
Nut
2
Spring
4
Washer
6
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