Owner`s manual

15
2. Return valve maintenance steps
⑴Remove return valve switch on the bolt.
⑵ Unloading return valve switch and switch back seat.
⑶By wrench return valve components unloaded thimble.
⑷Determine return valve gaskets in the right position.
⑸Will be a new return valve installed on components
screwed tightly onto.
⑹In return valve switch applied to a small lubricants and install.
⑺thimble. to return valve components exposed switch at the front.
⑻Loaded with switches and plugs will be fixed with switch thimble.
3. Suction component repair steps
● at the beginning of any suction component of maintenance or repair ,it must be the
suction tube and the return tube of equipment unloading, and then for maintenance or
repair, the following is the steps：
⑴Cross screwdrivers will be used under the plate cylinder on the two aspects of fixed and
rotary screw unloaded.
⑵rotary and removed.the return tube with wrench
⑶Suction tube ring will be removed , and suction tube out from the below cylinder.
⑷when drawing Out, the equipment will be slightly tilted to the future operation more
convenient.
● Ball Valve repair steps: all the components in the equipment, ball valves are the most
vulnerable to not clean and cleaning equipment can not be plugged so that the normal
operation sitting position, so the ball valve cleaning and maintenance is very important,
the following is the ball valve disassembly steps：
⑴10-inch wrenches together with the whole of the ball valve and cylinder bushings removed
⑵Carefully checking and cleaning parts of this
in every area, if damaged, Must be replaced.
⑶By wrench after spin on the ball valve and
plunger rod removed.
⑷Similarly check on the ball valve whether plug or
wear , if necessary, cleaned Or replacement.
⑸In determining upper and lower ball valve components clean intact, with the same ball valve
will be installed in order to suction components.
Note: absorption is not normally under the ball valve plug, if the ball valve under normal
ball valve on another demolition, cleaning ball valve can only use clean soft cotton cloth, and
wipe prohibited the use of a hard object.
Plunger rob