Ram Assembly Service
46
309028ZAT
Ram Piston Service
1. Relieve the air pressure. Follow the
on page 35.
2. Remove the tie bar as explained in the
section on page 45.
3. Remove the guide sleeve and slide it off of the
piston rod.
4. Carefully pull the piston rod straight
up out of the
cylinder. If the rod is cocked to one side, the piston
or inside surfaces of the cylinder could be damaged.
5. Carefully lay the piston and rod down so the rod will
not be damaged or bent. Remove the lower piston
retaining ring. Slide the piston off the piston rod.
6. Install new O-ring seals on the piston rod and the
piston. Lubricate the piston and seals. Reinstall the
piston and retaining ring.
7. Carefully insert the piston into the cylinder and push
the rod straight down into the cylinder. Add 3
ounces of lubricant to each cylinder after inserting
the piston.
8. Slide the guide sleeve onto the piston rod. Reinstall
the retaining ring and tie bar, as explained under
Do not use pressurized air to remove the guide sleeve
or piston. Failure to follow this instruction may result
in personal injury.
F
IG
. 25
7056A
Band
Piston
Ring
O-ring
O-ring
Ring
Summary of Contents for 309028ZAT
Page 14: ...Component Identification 14 309028ZAT FIG 5 Pneumatic Logic Panel Interior AJ AK AL ...
Page 41: ...Junction Box Panel Service 309028ZAT 41 FIG 20 T10196 Pressure Switch Solenoid Valve ...
Page 75: ...Parts 309028ZAT 75 Follower Plate Assembly 241891 and 243510 FIG 32 ...
Page 77: ...Parts 309028ZAT 77 PLC Pneumatic Logic Panel FIG 33 915 909 905 915 910 917 906 ...
Page 78: ...Parts 78 309028ZAT FIG 34 945a 955 939a 912b 912a 914a 954a 909a 953a 901b 902b ...
Page 80: ...Parts 80 309028ZAT PLC Interface Accessory Kit 241838 and 24V775 FIG 35 ...
Page 82: ...Parts 82 309028ZAT Junction Box Panel 195320 and 119773 FIG 36 ...
Page 88: ...Parts 88 309028ZAT Elevator Assembly 241902 FIG 39 Ref Ref Ref ...
