Tally Dascom 7010, Maintenance Manual

Page: 103 / 255

3-5. Disassembly, Reassembly and Lubrication
3-29
3-5-16. Disassembling the Unit, Frame U
To remove the Unit, Frame U, refer to Step 8 in " 3-5-9. Each Unit on the Unit, Mechanism ".
1. Remove the SA, Gear Plate [3-4].
1) Unhook the Gear Plate Spring [3-3] from the SA, Gear Plate [3-4].
2) Disengage 3 E-rings (E-Ring, 3) [3-23] and, from the SA, Gear Plate [3-4], remove 2 Idle
Gear A Sub Assemblies [3-1], 1 Idle Gear B Sub Assembly [3-2], 3 Polysliders [3-29] and 2
Polysliders 1 [3-22].
Note on reassembling:
• Apply grease (Floil G-311S) to the following points (refer to the places marked with  in
Drawing No. 3 “Unit, Frame U” for the Printer Part in Chapter 5 “Parts List”):
• Idle Gear A Sub Assembly [3-1]: Gear surface
• Idle Gear B Sub Assembly [3-2]: Gear surface
2. Bow the Offset Spring [3-13] (which ends are inserted into the frame) and remove it from the
frame.
Note on reassembling:
• Correctly set the Offset Spring [3-13] since the shape of its ends differs.
3. Slide the Head Plate [3-12] backward to remove it. Then the Head Spring R [3-15] and Head
Spring L [3-8] will come off.
4. Remove the following parts from the Head Plate [3-12].
1) Cut the Wire Tie [3-7], remove 1 screw (BH (N), M4x4) [3-26] and 1 washer (EXT, T (N), 4)
[3-27], and detach the SA, Head Cable [3-6] and the SA, Head Earth Cable [3-32].
2) Remove the Head Earth Plate [3-11] and 1 screw (PH (TP) M3x8) [3-28] and peel off
Cover Cable Sheet [3-10] from the Head Plate [3-12].
5. Remove the Slider [3-14].
1) Turn the Adjust Screw [3-17] counterclockwise until the nut (Nut, M3) [3-25] comes off.
2) Then, remove the Slider [3-14], Adjust Screw [3-17] and Curved Washer [3-16].
6. Remove the Head Up Lever [3-19].
1) Disengage 1 E-ring (E-Ring, 2) [3-24] and remove 1 Polyslider Washer [3-20], Head Up
Lever [3-19] and Open Lever Spring [3-18].
7. Remove the SA, Frame U [3-5].
1) Remove the Nylon Screw [3-21], Head Balance Seal [3-9] and labels ([3-30] and [3-31]).
Note on reassembling:
• Apply grease (Floil G-311S) to the SA, Frame U [3-5] (refer to the places marked with

in
Drawing No. 3 “Unit, Frame U” for the Printer Part in Chapter 5 “Parts List”).