Piston And Gland Service Diagram - Koyker KB660 Owner's Manual

CYLINDER GLAND SERVICE DIAGRAM
All gland seals shown with a section removed
ROD WIPER
EZ SQUEEZE 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
EZ SQUEEZE SEAL
PISTON
EZ SQUEEZE SEAL
to facilitate correct installation.
GLAND
ROD WIPER
EZ SQUEEZE SEAL
BACK UP
O-RING
Important! Be sure all gland and piston seals have been installed
SECTION VIEW
Page 38
ASSEMBLED PISTON
Note: To install rod wiper and EZ-squeeze 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.
correctly before cylinder is assembled!
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
EZ SQUEEZE SEAL
PISTON
EZ SQUEEZE SEAL