KNIFEHOLDER DISASSEMBLY AND MAINTENANCE
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Tidland Performance Series Automatic Knifeholder
MI 557417 1 AD
Page 43
Upper Body And Piston Assemblies
– Class I
Complete illustration:
Class I, page 52
Required Tools
Class I ........................... 2.5 mm hex wrench
Parker Super O-Lube O-ring Lubricant
Lubriplate EMB Polymer Grease (L0148-098)
Disassembly
1. Disconnect air supply hose at the manifold.
2. Remove control body from guide bar.
3. Remove blade cartridge from control body.
4. Place control body on workbench.
5. Remove dovetail assembly (41).
6. Remove guide bar mount assembly:
with pneumatic lock ...... p. 67
with manual lock ........... removal not required
7. Remove four socket head cap screws that attach upper and lower bodies to each other.
8. Lay control body flat on one side and carefully push (toward upper body) the piston guide rod into
and through the guide rod bushing. This allows simultaneous removal of both the upper body and
piston assemblies from the lower body.
Note:
The upper body and piston assemblies are connected by three internal coiled hoses. Be careful
not to disconnect, rupture or loosen these connections.
Upper Body, Lower Body and Piston disassembly is complete.
Recommended Maintenance
Lubricate piston guide rod with
Lubriplate EMB Polymer Grease (L0148-098).
Inspect and replace the piston o-ring, if necessary. Lubricate* the new o-ring before installing.
Lubricate* stroke stop rod.
*use
Parker Super O-Lube
To Reassemble Upper Body and Piston Assemblies
– Class I
1. Make sure the body gasket is in place on the lower body.
2. Carefully insert the attached assemblies into the lower body assembly.
Caution:
When guiding the piston guide rod thru the bushing be careful not to trap or kink the
three hoses attached to the lower side of the piston.
3. Secure the upper body with fasteners and torque to 1 ft·lb (1.35 Nm).
4. Extend the piston assembly by pulling out the piston guide rod. Ensure that the attached air hoses
are protruding through the lower body.
5. Attach the dovetail assembly (p. 42).
6. Reassemble the guide bar mount with pneumatic lock assembly (p. 39).
7. Attach the air supply hose and blade cartridge.
8. Verify blade cartridge half and full stroke functionality before reinstalling the unit for operation.
Summary of Contents for Tidland Performance Series
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