Repair
Supply Unit Repair
To reduce the risk of serious injury whenever you are instructed to relieve pressure always follow the Pressure Relief Procedure on page 10. Do not use pressurized air to remove the guide sleeve or the
NOTE: Do not reinstall end cap assembly if the ram pis- ton (302f) needs to be removed from the piston rod. See the next page for ram piston repair instructions.
303
302d
302e
piston.
Ram Piston Rods
Always service both cylinders at the same time. When you service the piston rod always install new
Repair Parts:
Piston Repair Kit 257622. See Ram Frame on page 26 for parts included in kit.
Disassemble Piston Rod Seal and Bearing
302b
302k
302m
302a
302c
302l
ti10520a
1.Relieve pressure.
2.Access piston rod seal and bearing.
a.Ensure ram is in lowest position.
b.Remove nuts (333) and lockwashers (332) from piston rods (302a).
c.Remove entire pump package, including the mounting plate (331) off of the piston
rods (302a). Use a
d.Secure pump package so pump and platen will not fall.
3.Remove retaining ring (303).
4.Remove piston rod seal and bearing. Slide end cap (302b), pin (302c),
5.Inspect parts for wear or damage. Replace as nec- essary.
FIG. 18: 3 in. Piston Rod Seal
20 | 3A2798D |