SWDE200B Operation & Maintenance Manual
7.5 ROTARY HEAD
Before mounting to the main machine, do not contact with rainwater. Don not throw away
the packing bag provided by the manufacturer.
If the machine temperature reaches the maximum value 80 ℃ , or the rotary head leakage,
stop the machine and check the sealing ring and the internal structure.
Lubricate all the point in the predefined time, 2#molybdenum disulphide grease is
recommended.
Only the technical personnel who learned the guide book can operate the rotary head.
The maintenance work must comply with relevant
safety regulations. The maintenance work must
comply with relevant safety regulations. Stop the
machine to make sure that the pressure has been
released from the hydraulic system and air
supplying system before assembly and
disassembly.
Operation Maintenance
Check hydraulic circuit joint and hose to make sure
the pipe fittings are tightened.
Make sure that joint and hose are tightened; check
the hose for bending to prevent high pressure gas leakage.
Lubricate the rotary head by using the grease gun, the sealing ring on the air inlet joint
should be lubricated once every 4 hours, every 8 hours for other positions (see the right
figure). Please use the grease recommended by
SUNWARD.
Replace the sealing part of rotary head
The rotary head sealing has an important influence on
performance; it must be lubricated accordance with the
requirement. When the sealing ring wear seriously, it must
be replaced, generally its cycle of replacement is 500hours.
Check sealing groove scratches before assembling. In most
cased, small scratches can be polished with sandpaper. After
all the parts cleaned, the surface coated with grease and then
can install a new seal.
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