Brake-14
Assembly of brake pump
1. Preparation work
All components should be washed, dried by wind and without foreign
material before the assembly. During the assembly, cost the guide pin
and location pin with proper vacuum silicon based grease; coat the
working surface of piston and square gasket with proper rubber
lubricant.
2. Install the piston gasket in the tong body.
a. Screw the bleed screw into the bleed hole;
tightening torque 7
10N m.
b. Install the square gasket in the sealing groove of two cylinders of
pump respectively after coat its working surface with proper
rubber lubricant.
3. Install the piston with dustproof cover in the tong
a. Cover the dustproof cover on the piston.
b. Lengthen the dustproof cover to expose the bottom of piston
from the dustproof cover clip ring; use the tool (for example: steel
wire about
2mm ) to assist insert the clip ring into the cylinder
hole clip ring groove.
Caution: The used tools must not be sharp to prevent the damage
of dustproof cover.
c. Press the piston to the bottom of cylinder hole by hand.
4. Pre Install the guide pin and location pin on the tong bracket.
a. Install the guide pin dustproof cover on the guide pin and location
pin respectively.
b. Screw the guide pin and location pin in the tong bracket
respectively.
Caution: Do not damage the guide pin dustproof cover.
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