KNIFEHOLDER DISASSEMBLY AND MAINTENANCE
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Tidland Performance Series Automatic Knifeholder
MI 557417 1 AD
Page 41
Dovetail Assembly
– Class I, II and III
Note:
It is not necessary to remove the dovetail assembly from the control body to replace the o-rings
that interface with the blade cartridge.
Complete illustration:
Class I, page 52
Class II and III, page 58
Required Tools
2 mm or 2.5 mm hex wrench
Small flat blade screwdriver
Small needlenose pliers
External air supply to extend knifeholder
Class I ........................... 10 mm thin open end wrench
Class II .......................... 16 mm thin open end wrench
Class III ......................... 25 mm thin open end wrench
Disassembly
All Classes
1. Disconnect air supply hose at the manifold.
2. Remove knifeholder from guide bar.
3. Remove blade cartridge from control body.
4. Place control body on workbench.
5. Make sure function control knob is in the red (retract) arrow position.
6. Using small flat blade screwdriver, carefully pry off and remove depth control knob cap.
7. Remove the locking cap screw and washer from inside the depth control knob.
8. Remove depth control knob by hand, rotating counterclockwise.
Class I:
Remove the depth control spring and two flat washers; go to Step 9.
Class II and III:
Spring not accessible; go to Step 9.
9. Extend the knifeholder:
Class I:
No air supply needed. By hand, pull the dovetail assembly out of the control body.
Class II and III:
With external air supply set at approximately 30 psi and the function control
knob in the yellow (setup) or green (run) arrow position, extend the dovetail assembly.
10. Lift or remove the bellows.
11. Mark the location of the colored hoses for your model. Refer to the Air Flow Schematics starting
on page 50.
12. Using small needlenose pliers, detach the hoses from the air supply fittings mounted to the
dovetail. Hold the hose firmly
above
(not on) the fittings and pull off, being careful not to rupture
hoses.
Note:
Air will flow from the disconnected hoses (Class II and III).
13. With the dovetail assembly extended, place an open-end wrench on the flats of the piston guide
rod and turn counterclockwise to loosen it completely from the dovetail.
Caution!
Do not damage the air supply fittings.
Note:
It is not necessary to remove the cant key guide rod from the dovetail assembly.
14. Retract the piston guide rod after dovetail assembly removal is complete:
Class I:
Push piston guide rod by hand.
Class II and III:
Turn function control knob to red (retract) arrow position to retract the piston
guide rod.
or thin slip-joint pliers
Summary of Contents for Tidland Performance Series
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