Piston And Gland Diagram - Koyker GRAPPLE FORK 400 Owner's Manual

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CYLINDER GLAND SERVICE DIAGRAM
All gland seals shown with a section
removed to facilitate correct installation.
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
GLAND
ROD WIPER
EZ SQUEEZE SEAL
BACK UP
O-RING
Important! Be sure all gland and piston seals have been installed
correctly before cylinder is assembled!
SECTION VIEW
Page 22
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.
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

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This manual is also suitable for:

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