098D 201910
8
1.
Disconnect the machine from electric power supply and pneumatic power supply,
dismount the two screw 11 in fig 4, remove the rise-fall control valve protect cover
；
2.
Dismount the two mufflers which are on the rise-fall control valve; (the A in fig 11)
3.
Use the compressed air to clean the dirt on the muffler, if damaged, refer to the
exploded drawing and list to replaced it.(chapter 8)
A
Fig 11