Graco SaniForce 3A5402, Repair Parts

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Air Cylinder Repair
Air Air Air Cylinder Cylinder Cylinder Repair Repair Repair
NOTE: NOTE: NOTE: The numbers in parenthesis after items are
reference numbers from the exploded drawings and
parts list found later in the manual.
To reduce the risk of serious injury during air
cylinder repairs:
• Do not use pressurized air to remove any air
cylinder interior components.
• Use a lift or more than one person to move the
components attached to the crossbar (16) after
the crossbar is no longer attached to the air
cylinder piston rod (2).
Disassemble Disassemble Disassemble Air Air Air Cylinder Cylinder Cylinder Cap Cap Cap
1. Perform the Pump Pressure Relief procedure.
2. Perform the Ram Pressure Relief procedure and
turn off facility air to the system.
3. Disconnect the air cylinder air lines at the upper
and lower air fittings on both air cylinders.
4. Disconnect the ram crossbar (16) from the air
cylinder piston rods (2), pump support rods (17),
and air motor support rod (107)
a. Remove the nuts (24) and washers (23).
b. Remove the ram crossbar and set aside.
5. Remove the air cylinder end cap (3):
a. Remove the four screws (28) and washers
(27).
b. Lift the cylinder piston rod (2) and use the
internal components to tap the end cap off of
the air cylinder.
c. Lift the piston rod assembly out of the air
cylinder.
6. Examine the cap seals and rings for damage or
wear. Replace if necessary.
3A5404F 9