Cylinder Gland And Piston Service Diagram - Koyker C185 Owner's Manual

CYLINDER GLAND SERVICE DIAGRAM
All gland seals shown with a section
removed to facilitate correct installation.
ROD WIPER
U-CUP SEAL
GLAND
BACK UP
O-RING
SECTION VIEW
ASSEMBLED GLAND
CYLINDER PISTON SERVICE DIAGRAM
To Remove Seals:
Carefully cut across each seal with a sharp knife. Be sure
not to scratch sealing surfaces of aluminum piston. If a
sharp knife is not available. An electric soldering gun or
hot iron may be used to melt throughout seals.
O-RING
U-CUP SEAL
PISTON
U-CUP SEAL
GLAND
ROD WIPER
U-CUP SEAL
BACK UP
O-RING
Important! Be sure all gland and piston seals have been installed
correctly before cylinder is assembled!
SECTION VIEW
Page 23
ASSEMBLED PISTON
Note: To install rod wiper and U-cup seal, fold
similar to shape shown below, slip into gland
bore and locate each in its respective groove.
Tools are used to fold seals, take care not to
damage sealing surfaces.
To Install Seals:
1. Thoroughly clean piston sealing surface of all
foreign matter.
2. Heat new seals in hydraulic oil to 160° F.
Never use a direct flame or heated water on
hydraulic seals.
3. Remove seals from oil, wipe dry and install in
piston grooves as shown in illustration at left.
Be sure seals have completely seated in
piston grooves before allowed to cool.
4. Replace piston on cylinder shaft and assemble
cylinder when seals have cooled to room
temperature.
O-RING
U-CUP SEAL
PISTON
U-CUP SEAL