SUNWARD SWDE120B-3 - ROTARY HEAD

OPERATION & MAINTENANCE MANUAL SWDE120B-3
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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.
Please use the Sunward new original accessories.
The right diagram will show how to squeeze the seal and
then install it to the corresponding slot.
Before installation, the sealing surface should be coated with a layer of oil.
Insert into the corresponding groove and install the specified sealing.