SWDE200B Operation & Maintenance Manual
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.
As show in the figure, squeeze the sealing ring together.
NOTE: make sure there are no sharp corners, otherwise it will damage the sealing ring and
cause the failure of operation.
Install the sealing ring into the groove, watch and touch with fingers to make sure the correct
installation.
Gently press the sealing ring with a clean round sick or plastic rods to restore the original shape.
Coat the sealing ring with grease and then set it onto the main shaft. Do not knock it hard!
Rotary head inspection
There are heavy load for thread connection on the rotary head, so it should be checked by each
day in the first 50 working hours, check once by week after that period. Please find the
tightening torque in 7.3.
For the initial use of 250 hours to rotary head, the box cover and bottom cover should be
dismantled, the bearing , gear, main shaft should be checked for wearing, round nut, locking
screw should be checked for looseness, and the gap between bearings should be adjusted.
Rotary head assembly
Clean all the parts before assembly;
When assembling the bearing, knock the bearing
inner and outer rings is forbidden (place copper). The
bearing should be close to the shaft shoulder or
sleeve end.
Adjust and fasten bearing, make the bearing has an
axial clearance of 0.05~0.1.
While assembling, locking screw（M10-12.9）should
tightened by three time according to the principle of
diagonal fastening. The tightening torque can be found in following table.
Specification
of Expansion
Sleeve Screw
When assembly, 4~5L gear oil should be injected into the oil tank, and the air inlet oil groove
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