First of all, a hexagon socket should be equipped according to the size of
the pre-tightening nut. Then combine ratchets to operate, when tightening the
nut, it is required to use the right direction ratchet, and the loosening of the
nut is to use the left direction ratchet.Insert the high-pressure hose and the
low-pressure hose into the connection between the wrench and the reversing
valve, and be sure to insert them in place. The high pressure is 1/4 and the low
pressure is 3/8. Lock the quick connector by turning the angle of the outer
cover.

Secondly, the inner hexagonal support sleeve has sufficient reaction force
capacity and space, and the reaction rod should be relied on. At the same time,
the size of the wrench connecting rod can be changed within the angle range
specified by the reaction rod.
Thirdly, the bleed valve can be opened after rotating a certain angle to
the left, and the bleed valve can be closed after all the internal air is
exhausted. When the manual pump is used for pressing operation, the effect of
rotating the handle of the reversing valve can be achieved by telescoping the
piston rod of the hydraulic cylinder.
Generally, the handle on the left side of the piston rod is extended, and
if it is on the right side, it is retracted. When the handle is in the middle
position, the pressure of the hydraulic cylinder is zero.
Rosit is a leader in the global power tool service market. We take
electric, pneumatic and hydraulic drive technology as the core. Our product
categories mainly include hand tools, instruments, workshop equipment and fixed
tools, labor protection products, industrial equipment,chemicals and so on.
At the same time, we provide customers with a series of system solutions
and communication channels to help customers improve procurement, inventory,
logistics and management costs.
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