03/12/2013
Z.R. Tool Inc. - MS31 Manual Sealless Combination Tool for Steel Strapping Operation Manual
www.zrtool.com/html/MS31Manual.html
3/7
(POSITION 26)
The clearance between the feedwheel and the gripper should be .020" (.51 mm). If the
clearance is more or less than this, it must be adjusted.
To reduce the clearance: loosen nut (position 31A), turn hexagon socket set screw (position
30) counterclockwise with a ball hexagon key, re-tighten nut.
To increase the clearance: loosen nut (position 31A), turn hexagon socket set screw
(position 30) clockwise with a ball hexagon key, re-tighten nut.
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REPLACEMENT OF PARTS
Note: If you are not familiar with the following replacement procedures, please contact your
authorized
dealer for a demonstration or for service.
To Replace The Feedwheel (Position 5)
1. Remove external retaining ring (position 3).
2. Remove tensioning assembly (consisting of tension lever (position 11) and feedwheel shaft
(position 2)).
3. Install new feedwheel with the "O" and "l" marking facing the strap guide (position 4),
reinstall tensioning assembly observing the key way position during assembly.
4. Reposition strap guide onto the protruding feedwheel shaft.
5. Reinstall external retaining ring.
To Replace The Gripper (Position 26)
Note: The gripper is held in a nonadjustable position with spring tension pin (position 27).
1. To remove gripper, use drift pin matching the dimension of the spring tension pin (position
27) and drive the tension pin into the tool base, until the gripper comes loose from its
position.
2. Lift feedwheel lever (position 7) to access gripper.
3. Clean cavity area and add one drop of a thin grade of oil in the cavity.
4. To install new gripper, place the gripper into the cavity of the tool base. Reinstall the
spring tension pin and drive it into the hole of the tool base, until it is flush with the tool
base.
To Replace The Knife (Position 17)
1. Remove housing cover (position 50), by removing 4 hexagon socket shoulder screws
(position 48).
2. With pliers, pull knife from slot on die and knife block (position 13).
3. Install new knife observing spring tension pin (position 18) aligns with same slot on die and
knife block.
4. Make sure area is clean and well greased with white grease.
5. Important: Make certain that the roller (position 57) is in its position.
6. Reinstall housing cover, then reinstall hexagon socket shoulder screws with a drop of
Loctite* No. 222 on the thread of each screw.
To Replace The Punch (Position 25)
1. Remove 2 cheese head machine screws (position 24A) located on the underside of the tool
base.
2. Remove punch, clean area, replace with new punch, then reinstall cheese head machine
screws with a drop of Loctite* No. 222 on the thread of each screw.
To Replace The Die (Position 16)
1. Remove housing cover (position 50), by removing 4 hexagon socket shoulder screws
(position 48).
2. Remove sealing lever (position 47) by loosening hexagon socket cap screw (position 46).
3. Remove woodruff key (position 1).
